[PATCH 1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing

[PATCH 1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing

[cy_huang]

From: ChiYuan Huang <cy_huang@richtek.com>

From the common binding, 'enable-gpio' or 'enable-gpios' are all well
for external 'enable' gpio.

'gpiod_get_from_of_node' only parse the 'enable' property, it need to
add the gpio suffix. It's more convenient to use fwnode_gpiod_get_index.
Although fwnode parsing is not preferred, but 'of_parse_cb' already can
guarantee the callback will only be used by regulator of_node parsing.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
 drivers/regulator/mt6370-regulator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/mt6370-regulator.c b/drivers/regulator/mt6370-regulator.c
index bc356b4..949b2c7 100644
--- a/drivers/regulator/mt6370-regulator.c
+++ b/drivers/regulator/mt6370-regulator.c
@@ -153,7 +153,8 @@ static int mt6370_of_parse_cb(struct device_node *np,
 	struct gpio_desc *enable_gpio;
 	int ret;
 
-	enable_gpio = gpiod_get_from_of_node(np, "enable", 0, GPIOD_OUT_HIGH |
+	enable_gpio = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
+					     GPIOD_OUT_HIGH |
 					     GPIOD_FLAGS_BIT_NONEXCLUSIVE,
 					     desc->name);
 	if (IS_ERR(enable_gpio)) {
-- 
2.7.4


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[PATCH 2/2] regulator: mt6370: Use the correct header for platform_device_id

[cy_huang]

From: ChiYuan Huang <cy_huang@richtek.com>

'platform_device_id' struct is defined in 'mod_devicetable.h'.
Even 'of.h' also includes this header usage. The 'of.h' cannot be removed
due to 'of_match_ptr' function.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
 drivers/regulator/mt6370-regulator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/regulator/mt6370-regulator.c b/drivers/regulator/mt6370-regulator.c
index 949b2c7..e73f5a4 100644
--- a/drivers/regulator/mt6370-regulator.c
+++ b/drivers/regulator/mt6370-regulator.c
@@ -4,6 +4,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
-- 
2.7.4


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Re: [PATCH 2/2] regulator: mt6370: Use the correct header for platform_device_id

[AngeloGioacchino Del Regno]

Il 29/06/22 03:41, cy_huang ha scritto:
> From: ChiYuan Huang <cy_huang@richtek.com>
> 
> 'platform_device_id' struct is defined in 'mod_devicetable.h'.
> Even 'of.h' also includes this header usage. The 'of.h' cannot be removed
> due to 'of_match_ptr' function.
> 
> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>


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Re: [PATCH 1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing

[AngeloGioacchino Del Regno]

Il 29/06/22 03:41, cy_huang ha scritto:
> From: ChiYuan Huang <cy_huang@richtek.com>
> 
> From the common binding, 'enable-gpio' or 'enable-gpios' are all well
> for external 'enable' gpio.
> 
> 'gpiod_get_from_of_node' only parse the 'enable' property, it need to
> add the gpio suffix. It's more convenient to use fwnode_gpiod_get_index.
> Although fwnode parsing is not preferred, but 'of_parse_cb' already can
> guarantee the callback will only be used by regulator of_node parsing.
> 
> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
> ---
>   drivers/regulator/mt6370-regulator.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/regulator/mt6370-regulator.c b/drivers/regulator/mt6370-regulator.c
> index bc356b4..949b2c7 100644
> --- a/drivers/regulator/mt6370-regulator.c
> +++ b/drivers/regulator/mt6370-regulator.c
> @@ -153,7 +153,8 @@ static int mt6370_of_parse_cb(struct device_node *np,
>   	struct gpio_desc *enable_gpio;
>   	int ret;
>   
> -	enable_gpio = gpiod_get_from_of_node(np, "enable", 0, GPIOD_OUT_HIGH |
> +	enable_gpio = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,

Since this driver is never calling gpiod_put(), you can even fix that in one shot.

Just use devm_fwnode_gpiod_get() here, as it's guaranteed that priv->dev is
initialized at this time.

Cheers,
Angelo



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Re: [PATCH 1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing

[ChiYuan Huang]

AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 於
2022年6月29日 週三 下午4:23寫道：
>
> Il 29/06/22 03:41, cy_huang ha scritto:
> > From: ChiYuan Huang <cy_huang@richtek.com>
> >
> > From the common binding, 'enable-gpio' or 'enable-gpios' are all well
> > for external 'enable' gpio.
> >
> > 'gpiod_get_from_of_node' only parse the 'enable' property, it need to
> > add the gpio suffix. It's more convenient to use fwnode_gpiod_get_index.
> > Although fwnode parsing is not preferred, but 'of_parse_cb' already can
> > guarantee the callback will only be used by regulator of_node parsing.
> >
> > Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
> > ---
> >   drivers/regulator/mt6370-regulator.c | 3 ++-
> >   1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/regulator/mt6370-regulator.c b/drivers/regulator/mt6370-regulator.c
> > index bc356b4..949b2c7 100644
> > --- a/drivers/regulator/mt6370-regulator.c
> > +++ b/drivers/regulator/mt6370-regulator.c
> > @@ -153,7 +153,8 @@ static int mt6370_of_parse_cb(struct device_node *np,
> >       struct gpio_desc *enable_gpio;
> >       int ret;
> >
> > -     enable_gpio = gpiod_get_from_of_node(np, "enable", 0, GPIOD_OUT_HIGH |
> > +     enable_gpio = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
>
> Since this driver is never calling gpiod_put(), you can even fix that in one shot.
>
> Just use devm_fwnode_gpiod_get() here, as it's guaranteed that priv->dev is
> initialized at this time.
>
Refer to the regulator framework,it will take over the gpio_desc.
You cannot use devm version for 'gpiod_get'.
> Cheers,
> Angelo
>
>

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Re: [PATCH 1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing

[Mark Brown]

On Wed, 29 Jun 2022 09:41:00 +0800, cy_huang wrote:
> From: ChiYuan Huang <cy_huang@richtek.com>
> 
> From the common binding, 'enable-gpio' or 'enable-gpios' are all well
> for external 'enable' gpio.
> 
> 'gpiod_get_from_of_node' only parse the 'enable' property, it need to
> add the gpio suffix. It's more convenient to use fwnode_gpiod_get_index.
> Although fwnode parsing is not preferred, but 'of_parse_cb' already can
> guarantee the callback will only be used by regulator of_node parsing.
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next

Thanks!

[1/2] regulator: mt6370: Use 'fwnode_gpiod_get_index' to fix gpio parsing
      commit: 4806c991bf4ff959acf921ea72f931a945a968ae
[2/2] regulator: mt6370: Use the correct header for platform_device_id
      commit: 46ae6fb58fd49c4cb2d1ca34e87d603b7c96ba97

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

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