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* [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support
@ 2016-11-15 19:54 Kevin Hilman
  2016-11-15 19:54 ` [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms Kevin Hilman
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: Kevin Hilman @ 2016-11-15 19:54 UTC (permalink / raw)
  To: linux-arm-kernel

This series removes the fake platform_device used to initialize PM on
legacy davinci platforms, and also adds PM support for DT platforms.

Tested with legacy boot on da850-evm, and DT boot on da850-lcdk.  Used
RTC to wake from suspend-to-RAM: e.g. rtcwake -m mem -s 4 -d /dev/rtc0

Changes since v1:
- separated support for DT platfroms into separate patch
- misc. cleanup, re-structuring

Kevin Hilman (3):
  ARM: davinci: PM: rework init, support DT platforms
  ARM: davinci: PM: cleanup: remove references to pdata
  ARM: davinci: PM: support da8xx DT platforms

 arch/arm/mach-davinci/board-da850-evm.c    |  17 +----
 arch/arm/mach-davinci/board-mityomapl138.c |  16 +----
 arch/arm/mach-davinci/common.c             |   1 -
 arch/arm/mach-davinci/da850.c              |  38 -----------
 arch/arm/mach-davinci/da8xx-dt.c           |   1 +
 arch/arm/mach-davinci/include/mach/da8xx.h |   1 -
 arch/arm/mach-davinci/pm.c                 | 102 ++++++++++++++++-------------
 7 files changed, 60 insertions(+), 116 deletions(-)

-- 
2.9.3

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms
  2016-11-15 19:54 [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support Kevin Hilman
@ 2016-11-15 19:54 ` Kevin Hilman
  2016-11-16  9:03   ` Sekhar Nori
  2016-11-15 19:54 ` [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata Kevin Hilman
                   ` (2 subsequent siblings)
  3 siblings, 1 reply; 8+ messages in thread
From: Kevin Hilman @ 2016-11-15 19:54 UTC (permalink / raw)
  To: linux-arm-kernel

Remove fake platform device used for PM init.  Move pdata values which
are common across all current platforms into pm.c.

Also, since PM is only used on da8xx, remove davinci_pm_init() from
common init code, and only use in da850/omapl138 board files that are
currently creating the fake platform_device.

Suggested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---
 arch/arm/mach-davinci/board-da850-evm.c    | 17 +-------
 arch/arm/mach-davinci/board-mityomapl138.c | 16 +------
 arch/arm/mach-davinci/common.c             |  1 -
 arch/arm/mach-davinci/da850.c              | 38 -----------------
 arch/arm/mach-davinci/include/mach/da8xx.h |  1 -
 arch/arm/mach-davinci/pm.c                 | 67 ++++++++++++++++++------------
 6 files changed, 42 insertions(+), 98 deletions(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 8e4539f69fdc..4e88723c23c7 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -196,18 +196,6 @@ static struct platform_device da850_evm_norflash_device = {
 	.resource	= da850_evm_norflash_resource,
 };
 
-static struct davinci_pm_config da850_pm_pdata = {
-	.sleepcount = 128,
-};
-
-static struct platform_device da850_pm_device = {
-	.name           = "pm-davinci",
-	.dev = {
-		.platform_data	= &da850_pm_pdata,
-	},
-	.id             = -1,
-};
-
 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
  * (128K blocks). It may be used instead of the (default) SPI flash
  * to boot, using TI's tools to install the secondary boot loader
@@ -1453,10 +1441,7 @@ static __init void da850_evm_init(void)
 	if (ret)
 		pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
 
-	ret = da850_register_pm(&da850_pm_device);
-	if (ret)
-		pr_warn("%s: suspend registration failed: %d\n", __func__, ret);
-
+	davinci_pm_init();
 	da850_vpif_init();
 
 	ret = spi_register_board_info(da850evm_spi_info,
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index bc4e63fa9808..9e7388ba413c 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -498,18 +498,6 @@ static void __init mityomapl138_config_emac(void)
 		pr_warn("emac registration failed: %d\n", ret);
 }
 
-static struct davinci_pm_config da850_pm_pdata = {
-	.sleepcount = 128,
-};
-
-static struct platform_device da850_pm_device = {
-	.name	= "pm-davinci",
-	.dev = {
-		.platform_data  = &da850_pm_pdata,
-	},
-	.id	= -1,
-};
-
 static void __init mityomapl138_init(void)
 {
 	int ret;
@@ -555,9 +543,7 @@ static void __init mityomapl138_init(void)
 	if (ret)
 		pr_warn("cpuidle registration failed: %d\n", ret);
 
-	ret = da850_register_pm(&da850_pm_device);
-	if (ret)
-		pr_warn("suspend registration failed: %d\n", ret);
+	davinci_pm_init();
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index 049025f6d531..9f9fbfa6da0d 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -118,6 +118,5 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info)
 void __init davinci_init_late(void)
 {
 	davinci_cpufreq_init();
-	davinci_pm_init();
 	davinci_clk_disable_unused();
 }
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index ed3d0e9f72ac..28771923199f 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -1172,44 +1172,6 @@ static int da850_round_armrate(struct clk *clk, unsigned long rate)
 }
 #endif
 
-int __init da850_register_pm(struct platform_device *pdev)
-{
-	int ret;
-	struct davinci_pm_config *pdata = pdev->dev.platform_data;
-
-	ret = davinci_cfg_reg(DA850_RTC_ALARM);
-	if (ret)
-		return ret;
-
-	pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
-	pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
-	pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
-
-	pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
-	if (!pdata->cpupll_reg_base)
-		return -ENOMEM;
-
-	pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
-	if (!pdata->ddrpll_reg_base) {
-		ret = -ENOMEM;
-		goto no_ddrpll_mem;
-	}
-
-	pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
-	if (!pdata->ddrpsc_reg_base) {
-		ret = -ENOMEM;
-		goto no_ddrpsc_mem;
-	}
-
-	return platform_device_register(pdev);
-
-no_ddrpsc_mem:
-	iounmap(pdata->ddrpll_reg_base);
-no_ddrpll_mem:
-	iounmap(pdata->cpupll_reg_base);
-	return ret;
-}
-
 /* VPIF resource, platform data */
 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
 
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index f9f9713aacdd..3d7a13789661 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -101,7 +101,6 @@ int da8xx_register_gpio(void *pdata);
 int da850_register_cpufreq(char *async_clk);
 int da8xx_register_cpuidle(void);
 void __iomem *da8xx_get_mem_ctlr(void);
-int da850_register_pm(struct platform_device *pdev);
 int da850_register_sata(unsigned long refclkpn);
 int da850_register_vpif(void);
 int da850_register_vpif_display
diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
index 8929569b1f8a..3f1fb191c03f 100644
--- a/arch/arm/mach-davinci/pm.c
+++ b/arch/arm/mach-davinci/pm.c
@@ -21,15 +21,23 @@
 
 #include <mach/common.h>
 #include <mach/da8xx.h>
-#include "sram.h"
+#include <mach/mux.h>
 #include <mach/pm.h>
 
 #include "clock.h"
+#include "psc.h"
+#include "sram.h"
 
+#define DA850_PLL1_BASE		0x01e1a000
 #define DEEPSLEEP_SLEEPCOUNT_MASK	0xFFFF
+#define DEEPSLEEP_SLEEPCOUNT		128
 
 static void (*davinci_sram_suspend) (struct davinci_pm_config *);
-static struct davinci_pm_config *pdata;
+static struct davinci_pm_config pm_config = {
+	.sleepcount = DEEPSLEEP_SLEEPCOUNT,
+	.ddrpsc_num = DA8XX_LPSC1_EMIF3C,
+};
+static struct davinci_pm_config *pdata = &pm_config;
 
 static void davinci_sram_push(void *dest, void *src, unsigned int size)
 {
@@ -117,17 +125,36 @@ static const struct platform_suspend_ops davinci_pm_ops = {
 	.valid		= suspend_valid_only_mem,
 };
 
-static int __init davinci_pm_probe(struct platform_device *pdev)
+int __init davinci_pm_init(void)
 {
-	pdata = pdev->dev.platform_data;
-	if (!pdata) {
-		dev_err(&pdev->dev, "cannot get platform data\n");
-		return -ENOENT;
+	int ret;
+
+	ret = davinci_cfg_reg(DA850_RTC_ALARM);
+	if (ret)
+		return ret;
+
+	pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
+	pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
+
+	pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
+	if (!pdata->cpupll_reg_base)
+		return -ENOMEM;
+
+	pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
+	if (!pdata->ddrpll_reg_base) {
+		ret = -ENOMEM;
+		goto no_ddrpll_mem;
+	}
+
+	pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
+	if (!pdata->ddrpsc_reg_base) {
+		ret = -ENOMEM;
+		goto no_ddrpsc_mem;
 	}
 
 	davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL);
 	if (!davinci_sram_suspend) {
-		dev_err(&pdev->dev, "cannot allocate SRAM memory\n");
+		pr_err("PM: cannot allocate SRAM memory\n");
 		return -ENOMEM;
 	}
 
@@ -136,23 +163,9 @@ static int __init davinci_pm_probe(struct platform_device *pdev)
 
 	suspend_set_ops(&davinci_pm_ops);
 
-	return 0;
-}
-
-static int __exit davinci_pm_remove(struct platform_device *pdev)
-{
-	sram_free(davinci_sram_suspend, davinci_cpu_suspend_sz);
-	return 0;
-}
-
-static struct platform_driver davinci_pm_driver = {
-	.driver = {
-		.name	 = "pm-davinci",
-	},
-	.remove = __exit_p(davinci_pm_remove),
-};
-
-int __init davinci_pm_init(void)
-{
-	return platform_driver_probe(&davinci_pm_driver, davinci_pm_probe);
+no_ddrpsc_mem:
+	iounmap(pdata->ddrpll_reg_base);
+no_ddrpll_mem:
+	iounmap(pdata->cpupll_reg_base);
+	return ret;
 }
-- 
2.9.3

^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata
  2016-11-15 19:54 [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support Kevin Hilman
  2016-11-15 19:54 ` [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms Kevin Hilman
@ 2016-11-15 19:54 ` Kevin Hilman
  2016-11-16  9:09   ` Sekhar Nori
  2016-11-15 19:54 ` [PATCH v2 3/3] ARM: davinci: PM: support da8xx DT platforms Kevin Hilman
       [not found] ` <c0f1cfa2-4086-72fc-783b-d0d8c837cb08@ti.com>
  3 siblings, 1 reply; 8+ messages in thread
From: Kevin Hilman @ 2016-11-15 19:54 UTC (permalink / raw)
  To: linux-arm-kernel

Since the PM core code is no longer using a fake platform_device or
platform_data, remove references to 'pdata'.

No functional changes.

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---
 arch/arm/mach-davinci/pm.c | 57 +++++++++++++++++++++++-----------------------
 1 file changed, 28 insertions(+), 29 deletions(-)

diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
index 3f1fb191c03f..0afd201ab980 100644
--- a/arch/arm/mach-davinci/pm.c
+++ b/arch/arm/mach-davinci/pm.c
@@ -37,7 +37,6 @@ static struct davinci_pm_config pm_config = {
 	.sleepcount = DEEPSLEEP_SLEEPCOUNT,
 	.ddrpsc_num = DA8XX_LPSC1_EMIF3C,
 };
-static struct davinci_pm_config *pdata = &pm_config;
 
 static void davinci_sram_push(void *dest, void *src, unsigned int size)
 {
@@ -49,58 +48,58 @@ static void davinci_pm_suspend(void)
 {
 	unsigned val;
 
-	if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+	if (pm_config.cpupll_reg_base != pm_config.ddrpll_reg_base) {
 
 		/* Switch CPU PLL to bypass mode */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN);
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 
 		udelay(PLL_BYPASS_TIME);
 
 		/* Powerdown CPU PLL */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val |= PLLCTL_PLLPWRDN;
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 	}
 
 	/* Configure sleep count in deep sleep register */
-	val = __raw_readl(pdata->deepsleep_reg);
+	val = __raw_readl(pm_config.deepsleep_reg);
 	val &= ~DEEPSLEEP_SLEEPCOUNT_MASK,
-	val |= pdata->sleepcount;
-	__raw_writel(val, pdata->deepsleep_reg);
+	val |= pm_config.sleepcount;
+	__raw_writel(val, pm_config.deepsleep_reg);
 
 	/* System goes to sleep in this call */
-	davinci_sram_suspend(pdata);
+	davinci_sram_suspend(&pm_config);
 
-	if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+	if (pm_config.cpupll_reg_base != pm_config.ddrpll_reg_base) {
 
 		/* put CPU PLL in reset */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val &= ~PLLCTL_PLLRST;
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 
 		/* put CPU PLL in power down */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val &= ~PLLCTL_PLLPWRDN;
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 
 		/* wait for CPU PLL reset */
 		udelay(PLL_RESET_TIME);
 
 		/* bring CPU PLL out of reset */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val |= PLLCTL_PLLRST;
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 
 		/* Wait for CPU PLL to lock */
 		udelay(PLL_LOCK_TIME);
 
 		/* Remove CPU PLL from bypass mode */
-		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val = __raw_readl(pm_config.cpupll_reg_base + PLLCTL);
 		val &= ~PLLCTL_PLLENSRC;
 		val |= PLLCTL_PLLEN;
-		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+		__raw_writel(val, pm_config.cpupll_reg_base + PLLCTL);
 	}
 }
 
@@ -133,21 +132,21 @@ int __init davinci_pm_init(void)
 	if (ret)
 		return ret;
 
-	pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
-	pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
+	pm_config.ddr2_ctlr_base = da8xx_get_mem_ctlr();
+	pm_config.deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
 
-	pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
-	if (!pdata->cpupll_reg_base)
+	pm_config.cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
+	if (!pm_config.cpupll_reg_base)
 		return -ENOMEM;
 
-	pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
-	if (!pdata->ddrpll_reg_base) {
+	pm_config.ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
+	if (!pm_config.ddrpll_reg_base) {
 		ret = -ENOMEM;
 		goto no_ddrpll_mem;
 	}
 
-	pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
-	if (!pdata->ddrpsc_reg_base) {
+	pm_config.ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
+	if (!pm_config.ddrpsc_reg_base) {
 		ret = -ENOMEM;
 		goto no_ddrpsc_mem;
 	}
@@ -164,8 +163,8 @@ int __init davinci_pm_init(void)
 	suspend_set_ops(&davinci_pm_ops);
 
 no_ddrpsc_mem:
-	iounmap(pdata->ddrpll_reg_base);
+	iounmap(pm_config.ddrpll_reg_base);
 no_ddrpll_mem:
-	iounmap(pdata->cpupll_reg_base);
+	iounmap(pm_config.cpupll_reg_base);
 	return ret;
 }
-- 
2.9.3

^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH v2 3/3] ARM: davinci: PM: support da8xx DT platforms
  2016-11-15 19:54 [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support Kevin Hilman
  2016-11-15 19:54 ` [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms Kevin Hilman
  2016-11-15 19:54 ` [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata Kevin Hilman
@ 2016-11-15 19:54 ` Kevin Hilman
  2016-11-16  9:16   ` Sekhar Nori
       [not found] ` <c0f1cfa2-4086-72fc-783b-d0d8c837cb08@ti.com>
  3 siblings, 1 reply; 8+ messages in thread
From: Kevin Hilman @ 2016-11-15 19:54 UTC (permalink / raw)
  To: linux-arm-kernel

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---
 arch/arm/mach-davinci/da8xx-dt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index c9f7e9274aa8..aed44dcdfd30 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -46,6 +46,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 static void __init da850_init_machine(void)
 {
 	of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
+	davinci_pm_init();
 }
 
 static const char *const da850_boards_compat[] __initconst = {
-- 
2.9.3

^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms
  2016-11-15 19:54 ` [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms Kevin Hilman
@ 2016-11-16  9:03   ` Sekhar Nori
  0 siblings, 0 replies; 8+ messages in thread
From: Sekhar Nori @ 2016-11-16  9:03 UTC (permalink / raw)
  To: linux-arm-kernel

On Wednesday 16 November 2016 01:24 AM, Kevin Hilman wrote:
> Remove fake platform device used for PM init.  Move pdata values which
> are common across all current platforms into pm.c.
> 
> Also, since PM is only used on da8xx, remove davinci_pm_init() from
> common init code, and only use in da850/omapl138 board files that are
> currently creating the fake platform_device.
> 
> Suggested-by: Sekhar Nori <nsekhar@ti.com>
> Signed-off-by: Kevin Hilman <khilman@baylibre.com>

> diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
> index 8929569b1f8a..3f1fb191c03f 100644
> --- a/arch/arm/mach-davinci/pm.c
> +++ b/arch/arm/mach-davinci/pm.c
> @@ -21,15 +21,23 @@
>  
>  #include <mach/common.h>
>  #include <mach/da8xx.h>
> -#include "sram.h"
> +#include <mach/mux.h>
>  #include <mach/pm.h>
>  
>  #include "clock.h"
> +#include "psc.h"
> +#include "sram.h"
>  
> +#define DA850_PLL1_BASE		0x01e1a000
>  #define DEEPSLEEP_SLEEPCOUNT_MASK	0xFFFF
> +#define DEEPSLEEP_SLEEPCOUNT		128
>  
>  static void (*davinci_sram_suspend) (struct davinci_pm_config *);
> -static struct davinci_pm_config *pdata;
> +static struct davinci_pm_config pm_config = {
> +	.sleepcount = DEEPSLEEP_SLEEPCOUNT,
> +	.ddrpsc_num = DA8XX_LPSC1_EMIF3C,
> +};

I added an empty line here while applying. This was pointed to by
checkpatch --strict

> +static struct davinci_pm_config *pdata = &pm_config;

And also adjusted the subject line since there is no DT support being
added in this patch anymore. New subject line:

ARM: davinci: PM: rework init, remove platform device

Applied to v4.10/cleanup

Thanks,
Sekhar

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata
  2016-11-15 19:54 ` [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata Kevin Hilman
@ 2016-11-16  9:09   ` Sekhar Nori
  0 siblings, 0 replies; 8+ messages in thread
From: Sekhar Nori @ 2016-11-16  9:09 UTC (permalink / raw)
  To: linux-arm-kernel

On Wednesday 16 November 2016 01:24 AM, Kevin Hilman wrote:
> Since the PM core code is no longer using a fake platform_device or
> platform_data, remove references to 'pdata'.
> 
> No functional changes.
> 
> Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Applied to v4.10/cleanup

Thanks,
Sekhar

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH v2 3/3] ARM: davinci: PM: support da8xx DT platforms
  2016-11-15 19:54 ` [PATCH v2 3/3] ARM: davinci: PM: support da8xx DT platforms Kevin Hilman
@ 2016-11-16  9:16   ` Sekhar Nori
  0 siblings, 0 replies; 8+ messages in thread
From: Sekhar Nori @ 2016-11-16  9:16 UTC (permalink / raw)
  To: linux-arm-kernel

On Wednesday 16 November 2016 01:24 AM, Kevin Hilman wrote:
> Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Added a one line description which is essentially a copy of subject line.

Applied to v4.10/soc

Thanks,
Sekhar

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support
       [not found] ` <c0f1cfa2-4086-72fc-783b-d0d8c837cb08@ti.com>
@ 2016-11-16 16:24   ` Kevin Hilman
  0 siblings, 0 replies; 8+ messages in thread
From: Kevin Hilman @ 2016-11-16 16:24 UTC (permalink / raw)
  To: linux-arm-kernel

Sekhar Nori <nsekhar@ti.com> writes:

> Hi Kevin,
>
> On Wednesday 16 November 2016 01:24 AM, Kevin Hilman wrote:
>> This series removes the fake platform_device used to initialize PM on
>> legacy davinci platforms, and also adds PM support for DT platforms.
>> 
>> Tested with legacy boot on da850-evm, and DT boot on da850-lcdk.  Used
>> RTC to wake from suspend-to-RAM: e.g. rtcwake -m mem -s 4 -d /dev/rtc0
>
> With these patches applied, I saw the following randconfig build error.
>
> arch/arm/mach-davinci/built-in.o: In function `davinci_pm_init':
> pm_domain.c:(.init.text+0x13d8): undefined reference to `da8xx_get_mem_ctlr'
> pm_domain.c:(.init.text+0x14bc): undefined reference to `da8xx_syscfg1_base'
> make: *** [vmlinux] Error 1
>
> Attached is the defconfig. I did not check to see if your patches 
> introduced it or if this is something that always existed and never 
> caught.

It looks like a new problem caused by moving those calls into pm.c.

The problem is that currently pm.o can be built even when da850 support
is not enabled, which is the case in your defconfig.

I'll hae a look at how to cleanup that dependency.

Kevin

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2016-11-16 16:24 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-11-15 19:54 [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support Kevin Hilman
2016-11-15 19:54 ` [PATCH v2 1/3] ARM: davinci: PM: rework init, support DT platforms Kevin Hilman
2016-11-16  9:03   ` Sekhar Nori
2016-11-15 19:54 ` [PATCH v2 2/3] ARM: davinci: PM: cleanup: remove references to pdata Kevin Hilman
2016-11-16  9:09   ` Sekhar Nori
2016-11-15 19:54 ` [PATCH v2 3/3] ARM: davinci: PM: support da8xx DT platforms Kevin Hilman
2016-11-16  9:16   ` Sekhar Nori
     [not found] ` <c0f1cfa2-4086-72fc-783b-d0d8c837cb08@ti.com>
2016-11-16 16:24   ` [PATCH v2 0/3] ARM: davinci: PM: cleanup init, add DT support Kevin Hilman

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