[PATCH v2 00/17] pinctrl: Constify pointers to 'pinctrl_desc' and more

[PATCH v2 00/17] pinctrl: Constify pointers to 'pinctrl_desc' and more

[Krzysztof Kozlowski]

Changes in v2:
- Add Rb tags
- Patch #1: rephrase commit msg (Geert)
- Patch #2: fix/require dependency on OF
- Link to v1: https://lore.kernel.org/r/20250528-pinctrl-const-desc-v1-0-76fe97899945@linaro.org

Description:
------------
In several drivers pointers to 'struct pinctrl_desc' is not modified, so
since core does not modify it, it can be made as const.

Dependencies/merging:
---------------------
Patch #4 "pinctrl: Constify pointers to 'pinctrl_desc'" is a
prerequisite for all further patches, including RTC patch, therefore
probably everything should be via main pinctrl tree.

I split several patches, although not all, per SoC-submaintainers, so
reviewing will be easier.

Best regards,
Krzysztof

---
Krzysztof Kozlowski (17):
      pinctrl: starfive: Allow compile testing on other platforms
      pinctrl: Allow compile testing for K210, TB10X and ZYNQ
      pinctrl: amd: Constify pointers to 'pinctrl_desc'
      pinctrl: Constify pointers to 'pinctrl_desc'
      pinctrl: aspeed: Constify static 'pinctrl_desc'
      pinctrl: nuvoton: Constify static 'pinctrl_desc'
      pinctrl: bcm: Constify static 'pinctrl_desc'
      pinctrl: bcm: cygnus-mux: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: bcm: cygnus-ns2: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: bcm: cygnus-nsp: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: as3722: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: max77620: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: palmas: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: renesas: Move fixed assignments to 'pinctrl_desc' definition
      pinctrl: pistachio: Constify static 'pinctrl_desc'
      pinctrl: Constify static 'pinctrl_desc'
      rtc: stm32: Constify static 'pinctrl_desc'

 drivers/pinctrl/Kconfig                            |  9 +++++----
 drivers/pinctrl/Makefile                           |  2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c         |  2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c         |  2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c         |  2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed.c            |  2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed.h            |  2 +-
 drivers/pinctrl/bcm/pinctrl-bcm4908.c              |  2 +-
 drivers/pinctrl/bcm/pinctrl-cygnus-mux.c           |  8 ++++----
 drivers/pinctrl/bcm/pinctrl-ns.c                   |  2 +-
 drivers/pinctrl/bcm/pinctrl-ns2-mux.c              |  8 ++++----
 drivers/pinctrl/bcm/pinctrl-nsp-mux.c              |  8 ++++----
 drivers/pinctrl/berlin/berlin.c                    |  2 +-
 drivers/pinctrl/cirrus/pinctrl-cs42l43.c           |  2 +-
 drivers/pinctrl/core.c                             | 13 +++++++------
 drivers/pinctrl/core.h                             |  2 +-
 drivers/pinctrl/mediatek/pinctrl-airoha.c          |  2 +-
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c          |  2 +-
 drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c          |  2 +-
 drivers/pinctrl/nuvoton/pinctrl-wpcm450.c          |  2 +-
 drivers/pinctrl/pinctrl-amd.c                      |  8 ++++----
 drivers/pinctrl/pinctrl-artpec6.c                  |  2 +-
 drivers/pinctrl/pinctrl-as3722.c                   |  4 ++--
 drivers/pinctrl/pinctrl-bm1880.c                   |  2 +-
 drivers/pinctrl/pinctrl-k210.c                     |  2 +-
 drivers/pinctrl/pinctrl-lpc18xx.c                  |  2 +-
 drivers/pinctrl/pinctrl-max77620.c                 |  9 ++++-----
 drivers/pinctrl/pinctrl-mlxbf3.c                   |  2 +-
 drivers/pinctrl/pinctrl-palmas.c                   |  4 ++--
 drivers/pinctrl/pinctrl-pistachio.c                |  8 ++++----
 drivers/pinctrl/pinctrl-tb10x.c                    |  2 +-
 drivers/pinctrl/pinctrl-zynq.c                     |  2 +-
 drivers/pinctrl/renesas/pinctrl-rzn1.c             |  4 ++--
 drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c |  2 +-
 drivers/rtc/rtc-stm32.c                            |  2 +-
 include/linux/pinctrl/pinctrl.h                    |  8 ++++----
 36 files changed, 70 insertions(+), 69 deletions(-)
---
base-commit: b27cc623e01be9de1580eaa913508b237a7a9673
change-id: 20250528-pinctrl-const-desc-3a40e39eca15

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


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[PATCH v2 01/17] pinctrl: starfive: Allow compile testing on other platforms

[Krzysztof Kozlowski]

Always descent to drivers/pinctrl/starfive/ because limiting it with
SOC_STARFIVE is redundant since its Makefile doesn't build anything if
no Starfive-specific pin control Kconfig options are enabled.  This
allows compile testing on other architectures with allyesconfig.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 65dac8e387985ac7f865d13325eb903f64645a2a..de80f3ee52c40f3a817f229a751909c590161594 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -83,7 +83,7 @@ obj-y				+= sophgo/
 obj-y				+= spacemit/
 obj-$(CONFIG_PINCTRL_SPEAR)	+= spear/
 obj-y				+= sprd/
-obj-$(CONFIG_SOC_STARFIVE)	+= starfive/
+obj-y				+= starfive/
 obj-$(CONFIG_PINCTRL_STM32)	+= stm32/
 obj-y				+= sunplus/
 obj-$(CONFIG_PINCTRL_SUNXI)	+= sunxi/

-- 
2.45.2


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[PATCH v2 02/17] pinctrl: Allow compile testing for K210, TB10X and ZYNQ

[Krzysztof Kozlowski]

Pinctrl drivers for K210, TB10X and ZYNQ do not reference any machine
headers, thus can be compile tested for increased build coverage.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/Kconfig | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index eb1b37af81fb81175d22018cf4856bfafaea75db..9b93a11c5755d5e1b239b34d5d66d5717b281265 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -269,7 +269,8 @@ config PINCTRL_INGENIC
 
 config PINCTRL_K210
 	bool "Pinctrl driver for the Canaan Kendryte K210 SoC"
-	depends on RISCV && SOC_CANAAN_K210 && OF
+	depends on RISCV && SOC_CANAAN_K210 || COMPILE_TEST
+	depends on OF
 	select GENERIC_PINMUX_FUNCTIONS
 	select GENERIC_PINCONF
 	select GPIOLIB
@@ -554,8 +555,8 @@ config PINCTRL_SX150X
 	  - 16 bits: sx1509q, sx1506q
 
 config PINCTRL_TB10X
-	bool
-	depends on OF && ARC_PLAT_TB10X
+	bool "Pinctrl for TB10X" if COMPILE_TEST
+	depends on OF && ARC_PLAT_TB10X || COMPILE_TEST
 	select GPIOLIB
 
 config PINCTRL_TPS6594
@@ -590,7 +591,7 @@ config PINCTRL_TH1520
 
 config PINCTRL_ZYNQ
 	bool "Pinctrl driver for Xilinx Zynq"
-	depends on ARCH_ZYNQ
+	depends on ARCH_ZYNQ || COMPILE_TEST
 	select PINMUX
 	select GENERIC_PINCONF
 	help

-- 
2.45.2


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[PATCH v2 03/17] pinctrl: amd: Constify pointers to 'pinctrl_desc'

[Krzysztof Kozlowski]

Internal functions obtaining pointers to 'struct pinctrl_desc' do not
modify the contents so they can be made pointers to const.  This makes
code safer, explicit and later allows constifying 'pinctrl_desc' in
pinctrl core code.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/pinctrl-amd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 5cf3db6d78b79af9ac5e7226de239a0d2f9aaacc..85617cfed2299e131c110e9d4084370790106404 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -872,7 +872,7 @@ static const struct pinconf_ops amd_pinconf_ops = {
 
 static void amd_gpio_irq_init(struct amd_gpio *gpio_dev)
 {
-	struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+	const struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
 	unsigned long flags;
 	u32 pin_reg, mask;
 	int i;
@@ -901,7 +901,7 @@ static void amd_gpio_irq_init(struct amd_gpio *gpio_dev)
 static void amd_gpio_check_pending(void)
 {
 	struct amd_gpio *gpio_dev = pinctrl_dev;
-	struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+	const struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
 	int i;
 
 	if (!pm_debug_messages_on)
@@ -957,7 +957,7 @@ static bool amd_gpio_should_save(struct amd_gpio *gpio_dev, unsigned int pin)
 static int amd_gpio_suspend_hibernate_common(struct device *dev, bool is_suspend)
 {
 	struct amd_gpio *gpio_dev = dev_get_drvdata(dev);
-	struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+	const struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
 	unsigned long flags;
 	int i;
 	u32 wake_mask = is_suspend ? WAKE_SOURCE_SUSPEND : WAKE_SOURCE_HIBERNATE;
@@ -1001,7 +1001,7 @@ static int amd_gpio_hibernate(struct device *dev)
 static int amd_gpio_resume(struct device *dev)
 {
 	struct amd_gpio *gpio_dev = dev_get_drvdata(dev);
-	struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+	const struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
 	unsigned long flags;
 	int i;
 

-- 
2.45.2


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[PATCH v2 04/17] pinctrl: Constify pointers to 'pinctrl_desc'

[Krzysztof Kozlowski]

Pin controller core code only stores the pointer to
'struct pinctrl_desc' and does not modify it anywhere.  The pointer can
be changed to pointer to const which makes the code safer, explicit and
later allows constifying 'pinctrl_desc' allocations in individual
drivers.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---

This is the pre-requisite patch for all further patches.
---
 drivers/pinctrl/core.c          | 13 +++++++------
 drivers/pinctrl/core.h          |  2 +-
 include/linux/pinctrl/pinctrl.h |  8 ++++----
 3 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 9046292d1360218bc70eff418fb8d1028c22b11a..73b78d6eac672095c8556763af1744be6f558501 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -2062,7 +2062,7 @@ static int pinctrl_check_ops(struct pinctrl_dev *pctldev)
  * @driver_data: private pin controller data for this pin controller
  */
 static struct pinctrl_dev *
-pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev,
+pinctrl_init_controller(const struct pinctrl_desc *pctldesc, struct device *dev,
 			void *driver_data)
 {
 	struct pinctrl_dev *pctldev;
@@ -2132,7 +2132,8 @@ pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev,
 	return ERR_PTR(ret);
 }
 
-static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc)
+static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev,
+				      const struct pinctrl_desc *pctldesc)
 {
 	pinctrl_free_pindescs(pctldev, pctldesc->pins,
 			      pctldesc->npins);
@@ -2209,7 +2210,7 @@ EXPORT_SYMBOL_GPL(pinctrl_enable);
  * struct pinctrl_dev handle. To avoid issues later on, please use the
  * new pinctrl_register_and_init() below instead.
  */
-struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
+struct pinctrl_dev *pinctrl_register(const struct pinctrl_desc *pctldesc,
 				    struct device *dev, void *driver_data)
 {
 	struct pinctrl_dev *pctldev;
@@ -2239,7 +2240,7 @@ EXPORT_SYMBOL_GPL(pinctrl_register);
  * Note that pinctrl_enable() still needs to be manually called after
  * this once the driver is ready.
  */
-int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
+int pinctrl_register_and_init(const struct pinctrl_desc *pctldesc,
 			      struct device *dev, void *driver_data,
 			      struct pinctrl_dev **pctldev)
 {
@@ -2330,7 +2331,7 @@ static int devm_pinctrl_dev_match(struct device *dev, void *res, void *data)
  * The pinctrl device will be automatically released when the device is unbound.
  */
 struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
-					  struct pinctrl_desc *pctldesc,
+					  const struct pinctrl_desc *pctldesc,
 					  void *driver_data)
 {
 	struct pinctrl_dev **ptr, *pctldev;
@@ -2364,7 +2365,7 @@ EXPORT_SYMBOL_GPL(devm_pinctrl_register);
  * The pinctrl device will be automatically released when the device is unbound.
  */
 int devm_pinctrl_register_and_init(struct device *dev,
-				   struct pinctrl_desc *pctldesc,
+				   const struct pinctrl_desc *pctldesc,
 				   void *driver_data,
 				   struct pinctrl_dev **pctldev)
 {
diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index d6c24978e7081a663b8a0fa6cb9314670575b1bc..fc513a9cdd4f2f9dd4ec4a088eee53fdbd673285 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -51,7 +51,7 @@ struct pinctrl_state;
  */
 struct pinctrl_dev {
 	struct list_head node;
-	struct pinctrl_desc *desc;
+	const struct pinctrl_desc *desc;
 	struct radix_tree_root pin_desc_tree;
 #ifdef CONFIG_GENERIC_PINCTRL_GROUPS
 	struct radix_tree_root pin_group_tree;
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 9a8189ffd0f2c28c88640280deee194d17d18400..d138e18156452e008f24ca06358fcab45135632f 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -165,25 +165,25 @@ struct pinctrl_desc {
 
 /* External interface to pin controller */
 
-extern int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
+extern int pinctrl_register_and_init(const struct pinctrl_desc *pctldesc,
 				     struct device *dev, void *driver_data,
 				     struct pinctrl_dev **pctldev);
 extern int pinctrl_enable(struct pinctrl_dev *pctldev);
 
 /* Please use pinctrl_register_and_init() and pinctrl_enable() instead */
-extern struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
+extern struct pinctrl_dev *pinctrl_register(const struct pinctrl_desc *pctldesc,
 				struct device *dev, void *driver_data);
 
 extern void pinctrl_unregister(struct pinctrl_dev *pctldev);
 
 extern int devm_pinctrl_register_and_init(struct device *dev,
-				struct pinctrl_desc *pctldesc,
+				const struct pinctrl_desc *pctldesc,
 				void *driver_data,
 				struct pinctrl_dev **pctldev);
 
 /* Please use devm_pinctrl_register_and_init() instead */
 extern struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
-				struct pinctrl_desc *pctldesc,
+				const struct pinctrl_desc *pctldesc,
 				void *driver_data);
 
 extern void devm_pinctrl_unregister(struct device *dev,

-- 
2.45.2


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[PATCH v2 05/17] pinctrl: aspeed: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety.

Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c | 2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c | 2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed.c    | 2 +-
 drivers/pinctrl/aspeed/pinctrl-aspeed.h    | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
index 774f8d05142f2d90c238f8e6661eca4685601db7..cb295856dda1244f2205305cf4c505d4ea4a326f 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
@@ -2653,7 +2653,7 @@ static const struct pinconf_ops aspeed_g4_conf_ops = {
 	.pin_config_group_set = aspeed_pin_config_group_set,
 };
 
-static struct pinctrl_desc aspeed_g4_pinctrl_desc = {
+static const struct pinctrl_desc aspeed_g4_pinctrl_desc = {
 	.name = "aspeed-g4-pinctrl",
 	.pins = aspeed_g4_pins,
 	.npins = ARRAY_SIZE(aspeed_g4_pins),
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
index 5bb8fd0d1e41bda799119a67887ccbc277e0f9f4..792089628362a1ed1c3eccd4e46c41a3ac7a79f6 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
@@ -2845,7 +2845,7 @@ static const struct pinconf_ops aspeed_g5_conf_ops = {
 	.pin_config_group_set = aspeed_pin_config_group_set,
 };
 
-static struct pinctrl_desc aspeed_g5_pinctrl_desc = {
+static const struct pinctrl_desc aspeed_g5_pinctrl_desc = {
 	.name = "aspeed-g5-pinctrl",
 	.pins = aspeed_g5_pins,
 	.npins = ARRAY_SIZE(aspeed_g5_pins),
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
index 5a7cd0a8868764dc5e3dc70f325c25ba29d50a64..51a63cf92023f7dc7a27466331c77bb5dcbaa9bb 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
@@ -2763,7 +2763,7 @@ static const struct pinconf_ops aspeed_g6_conf_ops = {
 	.pin_config_group_set = aspeed_pin_config_group_set,
 };
 
-static struct pinctrl_desc aspeed_g6_pinctrl_desc = {
+static const struct pinctrl_desc aspeed_g6_pinctrl_desc = {
 	.name = "aspeed-g6-pinctrl",
 	.pins = aspeed_g6_pins,
 	.npins = ARRAY_SIZE(aspeed_g6_pins),
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
index 9c6ee46ac7a096ce693639d88d387b089ffe5239..7e0ebf11af163c90184231686b1e0d9920755d76 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
@@ -441,7 +441,7 @@ int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev,
 }
 
 int aspeed_pinctrl_probe(struct platform_device *pdev,
-			 struct pinctrl_desc *pdesc,
+			 const struct pinctrl_desc *pdesc,
 			 struct aspeed_pinctrl_data *pdata)
 {
 	struct device *parent;
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.h b/drivers/pinctrl/aspeed/pinctrl-aspeed.h
index 4dcde3bc29c825cbc6be954dae9a654a310b4cd8..28f3bde25081b2c8099977129acdcdfb3e4b1dd5 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.h
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.h
@@ -102,7 +102,7 @@ int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev,
 		struct pinctrl_gpio_range *range,
 		unsigned int offset);
 int aspeed_pinctrl_probe(struct platform_device *pdev,
-		struct pinctrl_desc *pdesc,
+		const struct pinctrl_desc *pdesc,
 		struct aspeed_pinctrl_data *pdata);
 int aspeed_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset,
 		unsigned long *config);

-- 
2.45.2


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[PATCH v2 06/17] pinctrl: nuvoton: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 2 +-
 drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c | 2 +-
 drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index dfd32feb34286b7a4d807e9033a11f507e277dce..b8872d8f5930ad931dad208afec4e08a23c3d653 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -1817,7 +1817,7 @@ static const struct pinconf_ops npcm7xx_pinconf_ops = {
 };
 
 /* pinctrl_desc */
-static struct pinctrl_desc npcm7xx_pinctrl_desc = {
+static const struct pinctrl_desc npcm7xx_pinctrl_desc = {
 	.name = "npcm7xx-pinctrl",
 	.pins = npcm7xx_pins,
 	.npins = ARRAY_SIZE(npcm7xx_pins),
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
index be3db8ab406c416f0709d06eb864e33e3208541a..3c3b9d8d3681c64c21927615e1bb49f157f156b5 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
@@ -2299,7 +2299,7 @@ static const struct pinconf_ops npcm8xx_pinconf_ops = {
 };
 
 /* pinctrl_desc */
-static struct pinctrl_desc npcm8xx_pinctrl_desc = {
+static const struct pinctrl_desc npcm8xx_pinctrl_desc = {
 	.name = "npcm8xx-pinctrl",
 	.pins = npcm8xx_pins,
 	.npins = ARRAY_SIZE(npcm8xx_pins),
diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
index 4264ca749175a2ce0f3603c1d7aa271d98e6cd89..8d8314ba0e4cb55db2b1d3adf2de07e6fb93c279 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
@@ -989,7 +989,7 @@ static const struct pinconf_ops wpcm450_pinconf_ops = {
 	.pin_config_set = wpcm450_config_set,
 };
 
-static struct pinctrl_desc wpcm450_pinctrl_desc = {
+static const struct pinctrl_desc wpcm450_pinctrl_desc = {
 	.name = "wpcm450-pinctrl",
 	.pins = wpcm450_pins,
 	.npins = ARRAY_SIZE(wpcm450_pins),

-- 
2.45.2


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[PATCH v2 07/17] pinctrl: bcm: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety.

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/bcm/pinctrl-bcm4908.c | 2 +-
 drivers/pinctrl/bcm/pinctrl-ns.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-bcm4908.c b/drivers/pinctrl/bcm/pinctrl-bcm4908.c
index f190e0997f1fa9fe8bf07fc3ae5700bc721e1651..12f7a253ea4d5bd0af5dbabc320fc2df32172e4f 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm4908.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm4908.c
@@ -456,7 +456,7 @@ static const struct pinmux_ops bcm4908_pinctrl_pmxops = {
  * Controller code
  */
 
-static struct pinctrl_desc bcm4908_pinctrl_desc = {
+static const struct pinctrl_desc bcm4908_pinctrl_desc = {
 	.name = "bcm4908-pinctrl",
 	.pctlops = &bcm4908_pinctrl_ops,
 	.pmxops = &bcm4908_pinctrl_pmxops,
diff --git a/drivers/pinctrl/bcm/pinctrl-ns.c b/drivers/pinctrl/bcm/pinctrl-ns.c
index 6bb2b461950bef5c420f1b250d48fcf6e907b98f..03bd01b4a945adf72445576a8a111f3c0637e095 100644
--- a/drivers/pinctrl/bcm/pinctrl-ns.c
+++ b/drivers/pinctrl/bcm/pinctrl-ns.c
@@ -192,7 +192,7 @@ static const struct pinmux_ops ns_pinctrl_pmxops = {
  * Controller code
  */
 
-static struct pinctrl_desc ns_pinctrl_desc = {
+static const struct pinctrl_desc ns_pinctrl_desc = {
 	.name = "pinctrl-ns",
 	.pctlops = &ns_pinctrl_ops,
 	.pmxops = &ns_pinctrl_pmxops,

-- 
2.45.2


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[PATCH v2 08/17] pinctrl: bcm: cygnus-mux: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .npins member in definition to make clear
that number of pins is fixed and have less code in the probe.

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/bcm/pinctrl-cygnus-mux.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
index bf9597800954affd954e45a4baa01da4d5dbf420..e9aa99f85e05944a2a0cb9a3e6245c707dbc9b3a 100644
--- a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
@@ -903,6 +903,7 @@ static struct pinctrl_desc cygnus_pinctrl_desc = {
 	.name = "cygnus-pinmux",
 	.pctlops = &cygnus_pinctrl_ops,
 	.pmxops = &cygnus_pinmux_ops,
+	.npins = ARRAY_SIZE(cygnus_pins),
 };
 
 static int cygnus_mux_log_init(struct cygnus_pinctrl *pinctrl)
@@ -935,7 +936,6 @@ static int cygnus_pinmux_probe(struct platform_device *pdev)
 	struct cygnus_pinctrl *pinctrl;
 	int i, ret;
 	struct pinctrl_pin_desc *pins;
-	unsigned num_pins = ARRAY_SIZE(cygnus_pins);
 
 	pinctrl = devm_kzalloc(&pdev->dev, sizeof(*pinctrl), GFP_KERNEL);
 	if (!pinctrl)
@@ -963,11 +963,12 @@ static int cygnus_pinmux_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	pins = devm_kcalloc(&pdev->dev, num_pins, sizeof(*pins), GFP_KERNEL);
+	pins = devm_kcalloc(&pdev->dev, ARRAY_SIZE(cygnus_pins), sizeof(*pins),
+			    GFP_KERNEL);
 	if (!pins)
 		return -ENOMEM;
 
-	for (i = 0; i < num_pins; i++) {
+	for (i = 0; i < ARRAY_SIZE(cygnus_pins); i++) {
 		pins[i].number = cygnus_pins[i].pin;
 		pins[i].name = cygnus_pins[i].name;
 		pins[i].drv_data = &cygnus_pins[i].gpio_mux;
@@ -978,7 +979,6 @@ static int cygnus_pinmux_probe(struct platform_device *pdev)
 	pinctrl->functions = cygnus_pin_functions;
 	pinctrl->num_functions = ARRAY_SIZE(cygnus_pin_functions);
 	cygnus_pinctrl_desc.pins = pins;
-	cygnus_pinctrl_desc.npins = num_pins;
 
 	pinctrl->pctl = devm_pinctrl_register(&pdev->dev, &cygnus_pinctrl_desc,
 			pinctrl);

-- 
2.45.2


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[PATCH v2 09/17] pinctrl: bcm: cygnus-ns2: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .npins member in definition to make clear
that number of pins is fixed and have less code in the probe.

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/bcm/pinctrl-ns2-mux.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
index 04f4fca854cc05c6ccc75fbcb640b18fcfd37453..23ab3ab064b6f2b0aaa15afd6b9c582f1a1256b2 100644
--- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
@@ -971,6 +971,7 @@ static struct pinctrl_desc ns2_pinctrl_desc = {
 	.pctlops = &ns2_pinctrl_ops,
 	.pmxops = &ns2_pinmux_ops,
 	.confops = &ns2_pinconf_ops,
+	.npins = ARRAY_SIZE(ns2_pins),
 };
 
 static int ns2_mux_log_init(struct ns2_pinctrl *pinctrl)
@@ -1026,7 +1027,6 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
 	struct resource *res;
 	int i, ret;
 	struct pinctrl_pin_desc *pins;
-	unsigned int num_pins = ARRAY_SIZE(ns2_pins);
 
 	pinctrl = devm_kzalloc(&pdev->dev, sizeof(*pinctrl), GFP_KERNEL);
 	if (!pinctrl)
@@ -1060,11 +1060,12 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	pins = devm_kcalloc(&pdev->dev, num_pins, sizeof(*pins), GFP_KERNEL);
+	pins = devm_kcalloc(&pdev->dev, ARRAY_SIZE(ns2_pins), sizeof(*pins),
+			    GFP_KERNEL);
 	if (!pins)
 		return -ENOMEM;
 
-	for (i = 0; i < num_pins; i++) {
+	for (i = 0; i < ARRAY_SIZE(ns2_pins); i++) {
 		pins[i].number = ns2_pins[i].pin;
 		pins[i].name = ns2_pins[i].name;
 		pins[i].drv_data = &ns2_pins[i];
@@ -1075,7 +1076,6 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
 	pinctrl->functions = ns2_pin_functions;
 	pinctrl->num_functions = ARRAY_SIZE(ns2_pin_functions);
 	ns2_pinctrl_desc.pins = pins;
-	ns2_pinctrl_desc.npins = num_pins;
 
 	pinctrl->pctl = pinctrl_register(&ns2_pinctrl_desc, &pdev->dev,
 			pinctrl);

-- 
2.45.2


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[PATCH v2 10/17] pinctrl: bcm: cygnus-nsp: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .npins member in definition to make clear
that number of pins is fixed and have less code in the probe.

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/bcm/pinctrl-nsp-mux.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
index eb6298507c1d1873f9d5a90ec724b36af6d4da48..9b716c0d2b9456b9e64ca1094375effefdf4817c 100644
--- a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
@@ -525,6 +525,7 @@ static struct pinctrl_desc nsp_pinctrl_desc = {
 	.name = "nsp-pinmux",
 	.pctlops = &nsp_pinctrl_ops,
 	.pmxops = &nsp_pinmux_ops,
+	.npins = ARRAY_SIZE(nsp_pins),
 };
 
 static int nsp_mux_log_init(struct nsp_pinctrl *pinctrl)
@@ -556,7 +557,6 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
 	struct resource *res;
 	int i, ret;
 	struct pinctrl_pin_desc *pins;
-	unsigned int num_pins = ARRAY_SIZE(nsp_pins);
 
 	pinctrl = devm_kzalloc(&pdev->dev, sizeof(*pinctrl), GFP_KERNEL);
 	if (!pinctrl)
@@ -589,11 +589,12 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	pins = devm_kcalloc(&pdev->dev, num_pins, sizeof(*pins), GFP_KERNEL);
+	pins = devm_kcalloc(&pdev->dev, ARRAY_SIZE(nsp_pins), sizeof(*pins),
+			    GFP_KERNEL);
 	if (!pins)
 		return -ENOMEM;
 
-	for (i = 0; i < num_pins; i++) {
+	for (i = 0; i < ARRAY_SIZE(nsp_pins); i++) {
 		pins[i].number = nsp_pins[i].pin;
 		pins[i].name = nsp_pins[i].name;
 		pins[i].drv_data = &nsp_pins[i].gpio_select;
@@ -604,7 +605,6 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
 	pinctrl->functions = nsp_pin_functions;
 	pinctrl->num_functions = ARRAY_SIZE(nsp_pin_functions);
 	nsp_pinctrl_desc.pins = pins;
-	nsp_pinctrl_desc.npins = num_pins;
 
 	pinctrl->pctl = devm_pinctrl_register(&pdev->dev, &nsp_pinctrl_desc,
 					 pinctrl);

-- 
2.45.2


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[PATCH v2 11/17] pinctrl: as3722: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .pins and .npins members in definition to
make clear that number of pins is fixed and have less code in the probe.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/pinctrl-as3722.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c
index 0d8c75ce20eda97627aef773342a0b63ff6114a1..ed7b2c482ff0bb6a546955c083ef7046701527b0 100644
--- a/drivers/pinctrl/pinctrl-as3722.c
+++ b/drivers/pinctrl/pinctrl-as3722.c
@@ -422,6 +422,8 @@ static struct pinctrl_desc as3722_pinctrl_desc = {
 	.pmxops = &as3722_pinmux_ops,
 	.confops = &as3722_pinconf_ops,
 	.owner = THIS_MODULE,
+	.pins = as3722_pins_desc,
+	.npins = ARRAY_SIZE(as3722_pins_desc),
 };
 
 static int as3722_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -550,8 +552,6 @@ static int as3722_pinctrl_probe(struct platform_device *pdev)
 	as_pci->pin_groups = as3722_pingroups;
 	as_pci->num_pin_groups = ARRAY_SIZE(as3722_pingroups);
 	as3722_pinctrl_desc.name = dev_name(&pdev->dev);
-	as3722_pinctrl_desc.pins = as3722_pins_desc;
-	as3722_pinctrl_desc.npins = ARRAY_SIZE(as3722_pins_desc);
 	as_pci->pctl = devm_pinctrl_register(&pdev->dev, &as3722_pinctrl_desc,
 					     as_pci);
 	if (IS_ERR(as_pci->pctl)) {

-- 
2.45.2


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[PATCH v2 12/17] pinctrl: max77620: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .pins, .npins and other members in
definition to make clear that number of pins is fixed and have less code
in the probe.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/pinctrl-max77620.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-max77620.c b/drivers/pinctrl/pinctrl-max77620.c
index d236daa7c13ebbcaf7c4a8d1a8bed751aa111c0f..acb945a2574368b2e34659a902c34df8aad193d7 100644
--- a/drivers/pinctrl/pinctrl-max77620.c
+++ b/drivers/pinctrl/pinctrl-max77620.c
@@ -543,6 +543,10 @@ static struct pinctrl_desc max77620_pinctrl_desc = {
 	.pctlops = &max77620_pinctrl_ops,
 	.pmxops = &max77620_pinmux_ops,
 	.confops = &max77620_pinconf_ops,
+	.pins = max77620_pins_desc,
+	.npins = ARRAY_SIZE(max77620_pins_desc),
+	.num_custom_params = ARRAY_SIZE(max77620_cfg_params),
+	.custom_params = max77620_cfg_params,
 };
 
 static int max77620_pinctrl_probe(struct platform_device *pdev)
@@ -569,11 +573,6 @@ static int max77620_pinctrl_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, mpci);
 
 	max77620_pinctrl_desc.name = dev_name(&pdev->dev);
-	max77620_pinctrl_desc.pins = max77620_pins_desc;
-	max77620_pinctrl_desc.npins = ARRAY_SIZE(max77620_pins_desc);
-	max77620_pinctrl_desc.num_custom_params =
-				ARRAY_SIZE(max77620_cfg_params);
-	max77620_pinctrl_desc.custom_params = max77620_cfg_params;
 
 	for (i = 0; i < MAX77620_PIN_NUM; ++i) {
 		mpci->fps_config[i].active_fps_src = -1;

-- 
2.45.2


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[PATCH v2 13/17] pinctrl: palmas: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .pins and .npins members in definition to
make clear that number of pins is fixed and have less code in the probe.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/pinctrl-palmas.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-palmas.c b/drivers/pinctrl/pinctrl-palmas.c
index 9e272f9deb4f8c49f91d2f09c2c100018a7617f8..d69f114e46426c345d9ffe7567a326eecdd91bb5 100644
--- a/drivers/pinctrl/pinctrl-palmas.c
+++ b/drivers/pinctrl/pinctrl-palmas.c
@@ -956,6 +956,8 @@ static struct pinctrl_desc palmas_pinctrl_desc = {
 	.pmxops = &palmas_pinmux_ops,
 	.confops = &palmas_pinconf_ops,
 	.owner = THIS_MODULE,
+	.pins = palmas_pins_desc,
+	.npins = ARRAY_SIZE(palmas_pins_desc),
 };
 
 struct palmas_pinctrl_data {
@@ -1023,8 +1025,6 @@ static int palmas_pinctrl_probe(struct platform_device *pdev)
 	}
 
 	palmas_pinctrl_desc.name = dev_name(&pdev->dev);
-	palmas_pinctrl_desc.pins = palmas_pins_desc;
-	palmas_pinctrl_desc.npins = ARRAY_SIZE(palmas_pins_desc);
 	pci->pctl = devm_pinctrl_register(&pdev->dev, &palmas_pinctrl_desc,
 					  pci);
 	if (IS_ERR(pci->pctl)) {

-- 
2.45.2


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[PATCH v2 14/17] pinctrl: renesas: Move fixed assignments to 'pinctrl_desc' definition

[Krzysztof Kozlowski]

Assign 'struct pinctrl_desc' .pins and .npins members in definition to
make clear that number of pins is fixed and have less code in the probe.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/renesas/pinctrl-rzn1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/renesas/pinctrl-rzn1.c b/drivers/pinctrl/renesas/pinctrl-rzn1.c
index d442d4f9981c908389407275522b936dbce294d3..fb874867dbfb9877b012988543ecbfd1bfb11270 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzn1.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzn1.c
@@ -680,6 +680,8 @@ static struct pinctrl_desc rzn1_pinctrl_desc = {
 	.pmxops = &rzn1_pmx_ops,
 	.confops = &rzn1_pinconf_ops,
 	.owner = THIS_MODULE,
+	.pins = rzn1_pins,
+	.npins = ARRAY_SIZE(rzn1_pins),
 };
 
 static int rzn1_pinctrl_parse_groups(struct device_node *np,
@@ -878,8 +880,6 @@ static int rzn1_pinctrl_probe(struct platform_device *pdev)
 
 	ipctl->dev = &pdev->dev;
 	rzn1_pinctrl_desc.name = dev_name(&pdev->dev);
-	rzn1_pinctrl_desc.pins = rzn1_pins;
-	rzn1_pinctrl_desc.npins = ARRAY_SIZE(rzn1_pins);
 
 	ret = rzn1_pinctrl_probe_dt(pdev, ipctl);
 	if (ret) {

-- 
2.45.2


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[PATCH v2 15/17] pinctrl: pistachio: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety after moving .pins and .npins assignment to
definition.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/pinctrl-pistachio.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index e7bf609609617d6af2f10a3df56c62e3bfe2dcd3..7f8b562c81c9cfd1ac3a0bd50018857450bdf609 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1156,11 +1156,14 @@ static const struct pinconf_ops pistachio_pinconf_ops = {
 	.is_generic = true,
 };
 
-static struct pinctrl_desc pistachio_pinctrl_desc = {
+static const struct pinctrl_desc pistachio_pinctrl_desc = {
 	.name = "pistachio-pinctrl",
 	.pctlops = &pistachio_pinctrl_ops,
 	.pmxops = &pistachio_pinmux_ops,
 	.confops = &pistachio_pinconf_ops,
+	.pins = pistachio_pins,
+	.npins = ARRAY_SIZE(pistachio_pins),
+
 };
 
 static int pistachio_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
@@ -1474,9 +1477,6 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev)
 	pctl->gpio_banks = pistachio_gpio_banks;
 	pctl->nbanks = ARRAY_SIZE(pistachio_gpio_banks);
 
-	pistachio_pinctrl_desc.pins = pctl->pins;
-	pistachio_pinctrl_desc.npins = pctl->npins;
-
 	pctl->pctldev = devm_pinctrl_register(&pdev->dev, &pistachio_pinctrl_desc,
 					      pctl);
 	if (IS_ERR(pctl->pctldev)) {

-- 
2.45.2


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[PATCH v2 16/17] pinctrl: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety.

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/pinctrl/berlin/berlin.c                    | 2 +-
 drivers/pinctrl/cirrus/pinctrl-cs42l43.c           | 2 +-
 drivers/pinctrl/mediatek/pinctrl-airoha.c          | 2 +-
 drivers/pinctrl/pinctrl-artpec6.c                  | 2 +-
 drivers/pinctrl/pinctrl-bm1880.c                   | 2 +-
 drivers/pinctrl/pinctrl-k210.c                     | 2 +-
 drivers/pinctrl/pinctrl-lpc18xx.c                  | 2 +-
 drivers/pinctrl/pinctrl-mlxbf3.c                   | 2 +-
 drivers/pinctrl/pinctrl-tb10x.c                    | 2 +-
 drivers/pinctrl/pinctrl-zynq.c                     | 2 +-
 drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 2 +-
 11 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
index c372a2a24be4bb80b1f2475ef8512171c8e1326f..e5a35b803ce66d247c5e5ad78e6677570a1add60 100644
--- a/drivers/pinctrl/berlin/berlin.c
+++ b/drivers/pinctrl/berlin/berlin.c
@@ -283,7 +283,7 @@ static int berlin_pinctrl_build_state(struct platform_device *pdev)
 	return 0;
 }
 
-static struct pinctrl_desc berlin_pctrl_desc = {
+static const struct pinctrl_desc berlin_pctrl_desc = {
 	.name		= "berlin-pinctrl",
 	.pctlops	= &berlin_pinctrl_ops,
 	.pmxops		= &berlin_pinmux_ops,
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
index 628b60ccc2b07dc77e36da8919436fa348749e0c..a90beb986f5bb707c54552e1333802943a4b04bc 100644
--- a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
+++ b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
@@ -448,7 +448,7 @@ static const struct pinconf_ops cs42l43_pin_conf_ops = {
 	.pin_config_group_set	= cs42l43_pin_config_group_set,
 };
 
-static struct pinctrl_desc cs42l43_pin_desc = {
+static const struct pinctrl_desc cs42l43_pin_desc = {
 	.name		= "cs42l43-pinctrl",
 	.owner		= THIS_MODULE,
 
diff --git a/drivers/pinctrl/mediatek/pinctrl-airoha.c b/drivers/pinctrl/mediatek/pinctrl-airoha.c
index b97b28ebb37a6ec092360f8ea404dd67e6c43eac..ccd2b512e8365b3a5af0bb223329f39119bc7078 100644
--- a/drivers/pinctrl/mediatek/pinctrl-airoha.c
+++ b/drivers/pinctrl/mediatek/pinctrl-airoha.c
@@ -2852,7 +2852,7 @@ static const struct pinctrl_ops airoha_pctlops = {
 	.dt_free_map = pinconf_generic_dt_free_map,
 };
 
-static struct pinctrl_desc airoha_pinctrl_desc = {
+static const struct pinctrl_desc airoha_pinctrl_desc = {
 	.name = KBUILD_MODNAME,
 	.owner = THIS_MODULE,
 	.pctlops = &airoha_pctlops,
diff --git a/drivers/pinctrl/pinctrl-artpec6.c b/drivers/pinctrl/pinctrl-artpec6.c
index 717f9592b28b51737e67aafc93664b1345511908..af67057128ff1e9e766b958fece9c71518c89081 100644
--- a/drivers/pinctrl/pinctrl-artpec6.c
+++ b/drivers/pinctrl/pinctrl-artpec6.c
@@ -907,7 +907,7 @@ static const struct pinconf_ops artpec6_pconf_ops = {
 	.pin_config_group_set	= artpec6_pconf_group_set,
 };
 
-static struct pinctrl_desc artpec6_desc = {
+static const struct pinctrl_desc artpec6_desc = {
 	.name	 = "artpec6-pinctrl",
 	.owner	 = THIS_MODULE,
 	.pins	 = artpec6_pins,
diff --git a/drivers/pinctrl/pinctrl-bm1880.c b/drivers/pinctrl/pinctrl-bm1880.c
index b0000fe5b31dfbcd6af6eaf0c01029f00cbd205b..387798fb09be51cabd5cb76e0d90a28b1d363050 100644
--- a/drivers/pinctrl/pinctrl-bm1880.c
+++ b/drivers/pinctrl/pinctrl-bm1880.c
@@ -1298,7 +1298,7 @@ static const struct pinmux_ops bm1880_pinmux_ops = {
 	.set_mux = bm1880_pinmux_set_mux,
 };
 
-static struct pinctrl_desc bm1880_desc = {
+static const struct pinctrl_desc bm1880_desc = {
 	.name = "bm1880_pinctrl",
 	.pins = bm1880_pins,
 	.npins = ARRAY_SIZE(bm1880_pins),
diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
index eddb01796a83eb86c8c5bcf6788c999e8bf2926a..66c04120c29deccf53b21cbf8705f1d10c74ace5 100644
--- a/drivers/pinctrl/pinctrl-k210.c
+++ b/drivers/pinctrl/pinctrl-k210.c
@@ -879,7 +879,7 @@ static const struct pinctrl_ops k210_pinctrl_ops = {
 	.dt_free_map = pinconf_generic_dt_free_map,
 };
 
-static struct pinctrl_desc k210_pinctrl_desc = {
+static const struct pinctrl_desc k210_pinctrl_desc = {
 	.name = "k210-pinctrl",
 	.pins = k210_pins,
 	.npins = K210_NPINS,
diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c
index 0f5a7bed2f81b731714e3b65908df23f2ffdfd63..5e0201768323521754e7ecd27e878a81925c18a6 100644
--- a/drivers/pinctrl/pinctrl-lpc18xx.c
+++ b/drivers/pinctrl/pinctrl-lpc18xx.c
@@ -1257,7 +1257,7 @@ static const struct pinctrl_ops lpc18xx_pctl_ops = {
 	.dt_free_map		= pinctrl_utils_free_map,
 };
 
-static struct pinctrl_desc lpc18xx_scu_desc = {
+static const struct pinctrl_desc lpc18xx_scu_desc = {
 	.name = "lpc18xx/43xx-scu",
 	.pins = lpc18xx_pins,
 	.npins = ARRAY_SIZE(lpc18xx_pins),
diff --git a/drivers/pinctrl/pinctrl-mlxbf3.c b/drivers/pinctrl/pinctrl-mlxbf3.c
index ffb5dda364dc81808cfd5a168ce3f1e9f119357d..fcd9d46de89fb3e5215784109ba31b171fd15448 100644
--- a/drivers/pinctrl/pinctrl-mlxbf3.c
+++ b/drivers/pinctrl/pinctrl-mlxbf3.c
@@ -231,7 +231,7 @@ static const struct pinmux_ops mlxbf3_pmx_ops = {
 	.gpio_request_enable = mlxbf3_gpio_request_enable,
 };
 
-static struct pinctrl_desc mlxbf3_pin_desc = {
+static const struct pinctrl_desc mlxbf3_pin_desc = {
 	.name = "pinctrl-mlxbf3",
 	.pins = mlxbf3_pins,
 	.npins = ARRAY_SIZE(mlxbf3_pins),
diff --git a/drivers/pinctrl/pinctrl-tb10x.c b/drivers/pinctrl/pinctrl-tb10x.c
index 4edb20e619510b2f52c7cde41c2540328ec4e95d..129fa51d13b1e265b8145c87f19fba0e8f14f1aa 100644
--- a/drivers/pinctrl/pinctrl-tb10x.c
+++ b/drivers/pinctrl/pinctrl-tb10x.c
@@ -735,7 +735,7 @@ static const struct pinmux_ops tb10x_pinmux_ops = {
 	.set_mux = tb10x_pctl_set_mux,
 };
 
-static struct pinctrl_desc tb10x_pindesc = {
+static const struct pinctrl_desc tb10x_pindesc = {
 	.name = "TB10x",
 	.pins = tb10x_pins,
 	.npins = ARRAY_SIZE(tb10x_pins),
diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
index caa8a2ca3e681718fe213921deca8d130371b122..dcde86fed10db3e2dfebc19cb841ea7f63e74989 100644
--- a/drivers/pinctrl/pinctrl-zynq.c
+++ b/drivers/pinctrl/pinctrl-zynq.c
@@ -1143,7 +1143,7 @@ static const struct pinconf_ops zynq_pinconf_ops = {
 	.pin_config_group_set = zynq_pinconf_group_set,
 };
 
-static struct pinctrl_desc zynq_desc = {
+static const struct pinctrl_desc zynq_desc = {
 	.name = "zynq_pinctrl",
 	.pins = zynq_pins,
 	.npins = ARRAY_SIZE(zynq_pins),
diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
index 27f99183d994dccb92aac81ca42228bdb9225e87..aeaa0ded7c1e5ee7f9c5e4113bfd208fb844ba7d 100644
--- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
@@ -898,7 +898,7 @@ static const struct pinconf_ops starfive_pinconf_ops = {
 	.is_generic = true,
 };
 
-static struct pinctrl_desc starfive_desc = {
+static const struct pinctrl_desc starfive_desc = {
 	.name = DRIVER_NAME,
 	.pins = starfive_pins,
 	.npins = ARRAY_SIZE(starfive_pins),

-- 
2.45.2


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[PATCH v2 17/17] rtc: stm32: Constify static 'pinctrl_desc'

[Krzysztof Kozlowski]

The local static 'struct pinctrl_desc' is not modified, so can be made
const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

---

Patch depends on this series - const in pinctrl core. Please ack and
this should go via pinctrl tree.
---
 drivers/rtc/rtc-stm32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index ef8fb88aab48a0edad19ae5872421815aa04fe46..d4ebf3eb54aa9e91c8e9f8254f571c53794192fd 100644
--- a/drivers/rtc/rtc-stm32.c
+++ b/drivers/rtc/rtc-stm32.c
@@ -393,7 +393,7 @@ static const struct pinmux_ops stm32_rtc_pinmux_ops = {
 	.strict			= true,
 };
 
-static struct pinctrl_desc stm32_rtc_pdesc = {
+static const struct pinctrl_desc stm32_rtc_pdesc = {
 	.name = DRIVER_NAME,
 	.pins = stm32_rtc_pinctrl_pins,
 	.npins = ARRAY_SIZE(stm32_rtc_pinctrl_pins),

-- 
2.45.2


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Re: [PATCH v2 17/17] rtc: stm32: Constify static 'pinctrl_desc'

[Alexandre Belloni]

On 11/06/2025 08:13:49+0200, Krzysztof Kozlowski wrote:
> The local static 'struct pinctrl_desc' is not modified, so can be made
> const for code safety.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> 
> ---
> 
> Patch depends on this series - const in pinctrl core. Please ack and
> this should go via pinctrl tree.
> ---
>  drivers/rtc/rtc-stm32.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
> index ef8fb88aab48a0edad19ae5872421815aa04fe46..d4ebf3eb54aa9e91c8e9f8254f571c53794192fd 100644
> --- a/drivers/rtc/rtc-stm32.c
> +++ b/drivers/rtc/rtc-stm32.c
> @@ -393,7 +393,7 @@ static const struct pinmux_ops stm32_rtc_pinmux_ops = {
>  	.strict			= true,
>  };
>  
> -static struct pinctrl_desc stm32_rtc_pdesc = {
> +static const struct pinctrl_desc stm32_rtc_pdesc = {
>  	.name = DRIVER_NAME,
>  	.pins = stm32_rtc_pinctrl_pins,
>  	.npins = ARRAY_SIZE(stm32_rtc_pinctrl_pins),
> 
> -- 
> 2.45.2
> 

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RE: [PATCH v2 01/17] pinctrl: starfive: Allow compile testing on other platforms

[Hal Feng]

> On 11.06.25 14:14, Krzysztof Kozlowski wrote:
> Always descent to drivers/pinctrl/starfive/ because limiting it with
> SOC_STARFIVE is redundant since its Makefile doesn't build anything if no
> Starfive-specific pin control Kconfig options are enabled.  This allows compile
> testing on other architectures with allyesconfig.
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Acked-by: Hal Feng <hal.feng@starfivetech.com>

Best regards,
Hal

> ---
>  drivers/pinctrl/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index
> 65dac8e387985ac7f865d13325eb903f64645a2a..de80f3ee52c40f3a817f2
> 29a751909c590161594 100644
> --- a/drivers/pinctrl/Makefile
> +++ b/drivers/pinctrl/Makefile
> @@ -83,7 +83,7 @@ obj-y				+= sophgo/
>  obj-y				+= spacemit/
>  obj-$(CONFIG_PINCTRL_SPEAR)	+= spear/
>  obj-y				+= sprd/
> -obj-$(CONFIG_SOC_STARFIVE)	+= starfive/
> +obj-y				+= starfive/
>  obj-$(CONFIG_PINCTRL_STM32)	+= stm32/
>  obj-y				+= sunplus/
>  obj-$(CONFIG_PINCTRL_SUNXI)	+= sunxi/
> 
> --
> 2.45.2

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Re: [PATCH v2 16/17] pinctrl: Constify static 'pinctrl_desc'

[Vladimir Zapolskiy]

On 6/11/25 09:13, Krzysztof Kozlowski wrote:
> The local static 'struct pinctrl_desc' is not modified, so can be made
> const for code safety.
> 
> Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>   drivers/pinctrl/berlin/berlin.c                    | 2 +-
>   drivers/pinctrl/cirrus/pinctrl-cs42l43.c           | 2 +-
>   drivers/pinctrl/mediatek/pinctrl-airoha.c          | 2 +-
>   drivers/pinctrl/pinctrl-artpec6.c                  | 2 +-
>   drivers/pinctrl/pinctrl-bm1880.c                   | 2 +-
>   drivers/pinctrl/pinctrl-k210.c                     | 2 +-
>   drivers/pinctrl/pinctrl-lpc18xx.c                  | 2 +-

Acked-by: Vladimir Zapolskiy <vz@mleia.com>

>   drivers/pinctrl/pinctrl-mlxbf3.c                   | 2 +-
>   drivers/pinctrl/pinctrl-tb10x.c                    | 2 +-
>   drivers/pinctrl/pinctrl-zynq.c                     | 2 +-
>   drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 2 +-
>   11 files changed, 11 insertions(+), 11 deletions(-)
> 

--
Best wishes,
Vladimir

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Re: [PATCH v2 01/17] pinctrl: starfive: Allow compile testing on other platforms

[Emil Renner Berthing]

Krzysztof Kozlowski wrote:
> Always descent to drivers/pinctrl/starfive/ because limiting it with
> SOC_STARFIVE is redundant since its Makefile doesn't build anything if
> no Starfive-specific pin control Kconfig options are enabled.  This
> allows compile testing on other architectures with allyesconfig.
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>

> ---
>  drivers/pinctrl/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
> index 65dac8e387985ac7f865d13325eb903f64645a2a..de80f3ee52c40f3a817f229a751909c590161594 100644
> --- a/drivers/pinctrl/Makefile
> +++ b/drivers/pinctrl/Makefile
> @@ -83,7 +83,7 @@ obj-y				+= sophgo/
>  obj-y				+= spacemit/
>  obj-$(CONFIG_PINCTRL_SPEAR)	+= spear/
>  obj-y				+= sprd/
> -obj-$(CONFIG_SOC_STARFIVE)	+= starfive/
> +obj-y				+= starfive/
>  obj-$(CONFIG_PINCTRL_STM32)	+= stm32/
>  obj-y				+= sunplus/
>  obj-$(CONFIG_PINCTRL_SUNXI)	+= sunxi/
>
> --
> 2.45.2
>

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Re: [PATCH v2 16/17] pinctrl: Constify static 'pinctrl_desc'

[Emil Renner Berthing]

Krzysztof Kozlowski wrote:
> The local static 'struct pinctrl_desc' is not modified, so can be made
> const for code safety.
>
> Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/pinctrl/berlin/berlin.c                    | 2 +-
>  drivers/pinctrl/cirrus/pinctrl-cs42l43.c           | 2 +-
>  drivers/pinctrl/mediatek/pinctrl-airoha.c          | 2 +-
>  drivers/pinctrl/pinctrl-artpec6.c                  | 2 +-
>  drivers/pinctrl/pinctrl-bm1880.c                   | 2 +-
>  drivers/pinctrl/pinctrl-k210.c                     | 2 +-
>  drivers/pinctrl/pinctrl-lpc18xx.c                  | 2 +-
>  drivers/pinctrl/pinctrl-mlxbf3.c                   | 2 +-
>  drivers/pinctrl/pinctrl-tb10x.c                    | 2 +-
>  drivers/pinctrl/pinctrl-zynq.c                     | 2 +-
>  drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 2 +-

Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>

>  11 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
> index c372a2a24be4bb80b1f2475ef8512171c8e1326f..e5a35b803ce66d247c5e5ad78e6677570a1add60 100644
> --- a/drivers/pinctrl/berlin/berlin.c
> +++ b/drivers/pinctrl/berlin/berlin.c
> @@ -283,7 +283,7 @@ static int berlin_pinctrl_build_state(struct platform_device *pdev)
>  	return 0;
>  }
>
> -static struct pinctrl_desc berlin_pctrl_desc = {
> +static const struct pinctrl_desc berlin_pctrl_desc = {
>  	.name		= "berlin-pinctrl",
>  	.pctlops	= &berlin_pinctrl_ops,
>  	.pmxops		= &berlin_pinmux_ops,
> diff --git a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
> index 628b60ccc2b07dc77e36da8919436fa348749e0c..a90beb986f5bb707c54552e1333802943a4b04bc 100644
> --- a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
> +++ b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
> @@ -448,7 +448,7 @@ static const struct pinconf_ops cs42l43_pin_conf_ops = {
>  	.pin_config_group_set	= cs42l43_pin_config_group_set,
>  };
>
> -static struct pinctrl_desc cs42l43_pin_desc = {
> +static const struct pinctrl_desc cs42l43_pin_desc = {
>  	.name		= "cs42l43-pinctrl",
>  	.owner		= THIS_MODULE,
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-airoha.c b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> index b97b28ebb37a6ec092360f8ea404dd67e6c43eac..ccd2b512e8365b3a5af0bb223329f39119bc7078 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-airoha.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> @@ -2852,7 +2852,7 @@ static const struct pinctrl_ops airoha_pctlops = {
>  	.dt_free_map = pinconf_generic_dt_free_map,
>  };
>
> -static struct pinctrl_desc airoha_pinctrl_desc = {
> +static const struct pinctrl_desc airoha_pinctrl_desc = {
>  	.name = KBUILD_MODNAME,
>  	.owner = THIS_MODULE,
>  	.pctlops = &airoha_pctlops,
> diff --git a/drivers/pinctrl/pinctrl-artpec6.c b/drivers/pinctrl/pinctrl-artpec6.c
> index 717f9592b28b51737e67aafc93664b1345511908..af67057128ff1e9e766b958fece9c71518c89081 100644
> --- a/drivers/pinctrl/pinctrl-artpec6.c
> +++ b/drivers/pinctrl/pinctrl-artpec6.c
> @@ -907,7 +907,7 @@ static const struct pinconf_ops artpec6_pconf_ops = {
>  	.pin_config_group_set	= artpec6_pconf_group_set,
>  };
>
> -static struct pinctrl_desc artpec6_desc = {
> +static const struct pinctrl_desc artpec6_desc = {
>  	.name	 = "artpec6-pinctrl",
>  	.owner	 = THIS_MODULE,
>  	.pins	 = artpec6_pins,
> diff --git a/drivers/pinctrl/pinctrl-bm1880.c b/drivers/pinctrl/pinctrl-bm1880.c
> index b0000fe5b31dfbcd6af6eaf0c01029f00cbd205b..387798fb09be51cabd5cb76e0d90a28b1d363050 100644
> --- a/drivers/pinctrl/pinctrl-bm1880.c
> +++ b/drivers/pinctrl/pinctrl-bm1880.c
> @@ -1298,7 +1298,7 @@ static const struct pinmux_ops bm1880_pinmux_ops = {
>  	.set_mux = bm1880_pinmux_set_mux,
>  };
>
> -static struct pinctrl_desc bm1880_desc = {
> +static const struct pinctrl_desc bm1880_desc = {
>  	.name = "bm1880_pinctrl",
>  	.pins = bm1880_pins,
>  	.npins = ARRAY_SIZE(bm1880_pins),
> diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
> index eddb01796a83eb86c8c5bcf6788c999e8bf2926a..66c04120c29deccf53b21cbf8705f1d10c74ace5 100644
> --- a/drivers/pinctrl/pinctrl-k210.c
> +++ b/drivers/pinctrl/pinctrl-k210.c
> @@ -879,7 +879,7 @@ static const struct pinctrl_ops k210_pinctrl_ops = {
>  	.dt_free_map = pinconf_generic_dt_free_map,
>  };
>
> -static struct pinctrl_desc k210_pinctrl_desc = {
> +static const struct pinctrl_desc k210_pinctrl_desc = {
>  	.name = "k210-pinctrl",
>  	.pins = k210_pins,
>  	.npins = K210_NPINS,
> diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c
> index 0f5a7bed2f81b731714e3b65908df23f2ffdfd63..5e0201768323521754e7ecd27e878a81925c18a6 100644
> --- a/drivers/pinctrl/pinctrl-lpc18xx.c
> +++ b/drivers/pinctrl/pinctrl-lpc18xx.c
> @@ -1257,7 +1257,7 @@ static const struct pinctrl_ops lpc18xx_pctl_ops = {
>  	.dt_free_map		= pinctrl_utils_free_map,
>  };
>
> -static struct pinctrl_desc lpc18xx_scu_desc = {
> +static const struct pinctrl_desc lpc18xx_scu_desc = {
>  	.name = "lpc18xx/43xx-scu",
>  	.pins = lpc18xx_pins,
>  	.npins = ARRAY_SIZE(lpc18xx_pins),
> diff --git a/drivers/pinctrl/pinctrl-mlxbf3.c b/drivers/pinctrl/pinctrl-mlxbf3.c
> index ffb5dda364dc81808cfd5a168ce3f1e9f119357d..fcd9d46de89fb3e5215784109ba31b171fd15448 100644
> --- a/drivers/pinctrl/pinctrl-mlxbf3.c
> +++ b/drivers/pinctrl/pinctrl-mlxbf3.c
> @@ -231,7 +231,7 @@ static const struct pinmux_ops mlxbf3_pmx_ops = {
>  	.gpio_request_enable = mlxbf3_gpio_request_enable,
>  };
>
> -static struct pinctrl_desc mlxbf3_pin_desc = {
> +static const struct pinctrl_desc mlxbf3_pin_desc = {
>  	.name = "pinctrl-mlxbf3",
>  	.pins = mlxbf3_pins,
>  	.npins = ARRAY_SIZE(mlxbf3_pins),
> diff --git a/drivers/pinctrl/pinctrl-tb10x.c b/drivers/pinctrl/pinctrl-tb10x.c
> index 4edb20e619510b2f52c7cde41c2540328ec4e95d..129fa51d13b1e265b8145c87f19fba0e8f14f1aa 100644
> --- a/drivers/pinctrl/pinctrl-tb10x.c
> +++ b/drivers/pinctrl/pinctrl-tb10x.c
> @@ -735,7 +735,7 @@ static const struct pinmux_ops tb10x_pinmux_ops = {
>  	.set_mux = tb10x_pctl_set_mux,
>  };
>
> -static struct pinctrl_desc tb10x_pindesc = {
> +static const struct pinctrl_desc tb10x_pindesc = {
>  	.name = "TB10x",
>  	.pins = tb10x_pins,
>  	.npins = ARRAY_SIZE(tb10x_pins),
> diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
> index caa8a2ca3e681718fe213921deca8d130371b122..dcde86fed10db3e2dfebc19cb841ea7f63e74989 100644
> --- a/drivers/pinctrl/pinctrl-zynq.c
> +++ b/drivers/pinctrl/pinctrl-zynq.c
> @@ -1143,7 +1143,7 @@ static const struct pinconf_ops zynq_pinconf_ops = {
>  	.pin_config_group_set = zynq_pinconf_group_set,
>  };
>
> -static struct pinctrl_desc zynq_desc = {
> +static const struct pinctrl_desc zynq_desc = {
>  	.name = "zynq_pinctrl",
>  	.pins = zynq_pins,
>  	.npins = ARRAY_SIZE(zynq_pins),
> diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> index 27f99183d994dccb92aac81ca42228bdb9225e87..aeaa0ded7c1e5ee7f9c5e4113bfd208fb844ba7d 100644
> --- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> +++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> @@ -898,7 +898,7 @@ static const struct pinconf_ops starfive_pinconf_ops = {
>  	.is_generic = true,
>  };
>
> -static struct pinctrl_desc starfive_desc = {
> +static const struct pinctrl_desc starfive_desc = {
>  	.name = DRIVER_NAME,
>  	.pins = starfive_pins,
>  	.npins = ARRAY_SIZE(starfive_pins),
>
> --
> 2.45.2
>

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Re: [PATCH v2 16/17] pinctrl: Constify static 'pinctrl_desc'

[Hal Feng]

On 6/11/2025 2:13 PM, Krzysztof Kozlowski wrote:
> The local static 'struct pinctrl_desc' is not modified, so can be made
> const for code safety.
> 
> Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/pinctrl/berlin/berlin.c                    | 2 +-
>  drivers/pinctrl/cirrus/pinctrl-cs42l43.c           | 2 +-
>  drivers/pinctrl/mediatek/pinctrl-airoha.c          | 2 +-
>  drivers/pinctrl/pinctrl-artpec6.c                  | 2 +-
>  drivers/pinctrl/pinctrl-bm1880.c                   | 2 +-
>  drivers/pinctrl/pinctrl-k210.c                     | 2 +-
>  drivers/pinctrl/pinctrl-lpc18xx.c                  | 2 +-
>  drivers/pinctrl/pinctrl-mlxbf3.c                   | 2 +-
>  drivers/pinctrl/pinctrl-tb10x.c                    | 2 +-
>  drivers/pinctrl/pinctrl-zynq.c                     | 2 +-
>  drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 2 +-
>  11 files changed, 11 insertions(+), 11 deletions(-)
> 
...
> diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> index 27f99183d994dccb92aac81ca42228bdb9225e87..aeaa0ded7c1e5ee7f9c5e4113bfd208fb844ba7d 100644
> --- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> +++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
> @@ -898,7 +898,7 @@ static const struct pinconf_ops starfive_pinconf_ops = {
>  	.is_generic = true,
>  };
>  
> -static struct pinctrl_desc starfive_desc = {
> +static const struct pinctrl_desc starfive_desc = {
>  	.name = DRIVER_NAME,
>  	.pins = starfive_pins,
>  	.npins = ARRAY_SIZE(starfive_pins),
> 

Reviewed-by: Hal Feng <hal.feng@starfivetech.com>

Best regards,
Hal


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Re: [PATCH v2 06/17] pinctrl: nuvoton: Constify static 'pinctrl_desc'

[J. Neuschäfer]

On Wed, Jun 11, 2025 at 08:13:38AM +0200, Krzysztof Kozlowski wrote:
> The local static 'struct pinctrl_desc' is not modified, so can be made
> const for code safety.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Reviewed-by: J. Neuschäfer <j.ne@posteo.net>

Thanks!


> ---
>  drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 2 +-
>  drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c | 2 +-
>  drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> index dfd32feb34286b7a4d807e9033a11f507e277dce..b8872d8f5930ad931dad208afec4e08a23c3d653 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> @@ -1817,7 +1817,7 @@ static const struct pinconf_ops npcm7xx_pinconf_ops = {
>  };
>  
>  /* pinctrl_desc */
> -static struct pinctrl_desc npcm7xx_pinctrl_desc = {
> +static const struct pinctrl_desc npcm7xx_pinctrl_desc = {
>  	.name = "npcm7xx-pinctrl",
>  	.pins = npcm7xx_pins,
>  	.npins = ARRAY_SIZE(npcm7xx_pins),
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> index be3db8ab406c416f0709d06eb864e33e3208541a..3c3b9d8d3681c64c21927615e1bb49f157f156b5 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> @@ -2299,7 +2299,7 @@ static const struct pinconf_ops npcm8xx_pinconf_ops = {
>  };
>  
>  /* pinctrl_desc */
> -static struct pinctrl_desc npcm8xx_pinctrl_desc = {
> +static const struct pinctrl_desc npcm8xx_pinctrl_desc = {
>  	.name = "npcm8xx-pinctrl",
>  	.pins = npcm8xx_pins,
>  	.npins = ARRAY_SIZE(npcm8xx_pins),
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> index 4264ca749175a2ce0f3603c1d7aa271d98e6cd89..8d8314ba0e4cb55db2b1d3adf2de07e6fb93c279 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> @@ -989,7 +989,7 @@ static const struct pinconf_ops wpcm450_pinconf_ops = {
>  	.pin_config_set = wpcm450_config_set,
>  };
>  
> -static struct pinctrl_desc wpcm450_pinctrl_desc = {
> +static const struct pinctrl_desc wpcm450_pinctrl_desc = {
>  	.name = "wpcm450-pinctrl",
>  	.pins = wpcm450_pins,
>  	.npins = ARRAY_SIZE(wpcm450_pins),
> 
> -- 
> 2.45.2
> 

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Re: [PATCH v2 00/17] pinctrl: Constify pointers to 'pinctrl_desc' and more

[Linus Walleij]

On Wed, Jun 11, 2025 at 8:14 AM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:

> Changes in v2:
> - Add Rb tags
> - Patch #1: rephrase commit msg (Geert)
> - Patch #2: fix/require dependency on OF
> - Link to v1: https://lore.kernel.org/r/20250528-pinctrl-const-desc-v1-0-76fe97899945@linaro.org
>
> Description:
> ------------
> In several drivers pointers to 'struct pinctrl_desc' is not modified, so
> since core does not modify it, it can be made as const.
>
> Dependencies/merging:
> ---------------------
> Patch #4 "pinctrl: Constify pointers to 'pinctrl_desc'" is a
> prerequisite for all further patches, including RTC patch, therefore
> probably everything should be via main pinctrl tree.

Patches applied!

Yours,
Linus Walleij

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