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* [PATCH v1 1/1] gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
@ 2023-01-12 16:39 ` Andy Shevchenko
  0 siblings, 0 replies; 4+ messages in thread
From: Andy Shevchenko @ 2023-01-12 16:39 UTC (permalink / raw)
  To: Andy Shevchenko, linux-gpio, linux-arm-kernel, linux-kernel
  Cc: Shubhrajyoti Datta, Srinivas Neeli, Michal Simek, Linus Walleij,
	Bartosz Golaszewski

The of_gpio_n_cells default is 2 when ->of_xlate() callback is
not defined. No need to assign it explicitly in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpio-xilinx.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 619a00ad71d4..bbcde91135b9 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -558,7 +558,6 @@ static int xgpio_probe(struct platform_device *pdev)
 	int status = 0;
 	struct device_node *np = pdev->dev.of_node;
 	u32 is_dual = 0;
-	u32 cells = 2;
 	u32 width[2];
 	u32 state[2];
 	u32 dir[2];
@@ -591,15 +590,6 @@ static int xgpio_probe(struct platform_device *pdev)
 
 	bitmap_from_arr32(chip->dir, dir, 64);
 
-	/* Update cells with gpio-cells value */
-	if (of_property_read_u32(np, "#gpio-cells", &cells))
-		dev_dbg(&pdev->dev, "Missing gpio-cells property\n");
-
-	if (cells != 2) {
-		dev_err(&pdev->dev, "#gpio-cells mismatch\n");
-		return -EINVAL;
-	}
-
 	/*
 	 * Check device node and parent device node for device width
 	 * and assume default width of 32
@@ -630,7 +620,6 @@ static int xgpio_probe(struct platform_device *pdev)
 	chip->gc.parent = &pdev->dev;
 	chip->gc.direction_input = xgpio_dir_in;
 	chip->gc.direction_output = xgpio_dir_out;
-	chip->gc.of_gpio_n_cells = cells;
 	chip->gc.get = xgpio_get;
 	chip->gc.set = xgpio_set;
 	chip->gc.request = xgpio_request;
-- 
2.39.0


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^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v1 1/1] gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
@ 2023-01-12 16:39 ` Andy Shevchenko
  0 siblings, 0 replies; 4+ messages in thread
From: Andy Shevchenko @ 2023-01-12 16:39 UTC (permalink / raw)
  To: Andy Shevchenko, linux-gpio, linux-arm-kernel, linux-kernel
  Cc: Shubhrajyoti Datta, Srinivas Neeli, Michal Simek, Linus Walleij,
	Bartosz Golaszewski

The of_gpio_n_cells default is 2 when ->of_xlate() callback is
not defined. No need to assign it explicitly in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpio-xilinx.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 619a00ad71d4..bbcde91135b9 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -558,7 +558,6 @@ static int xgpio_probe(struct platform_device *pdev)
 	int status = 0;
 	struct device_node *np = pdev->dev.of_node;
 	u32 is_dual = 0;
-	u32 cells = 2;
 	u32 width[2];
 	u32 state[2];
 	u32 dir[2];
@@ -591,15 +590,6 @@ static int xgpio_probe(struct platform_device *pdev)
 
 	bitmap_from_arr32(chip->dir, dir, 64);
 
-	/* Update cells with gpio-cells value */
-	if (of_property_read_u32(np, "#gpio-cells", &cells))
-		dev_dbg(&pdev->dev, "Missing gpio-cells property\n");
-
-	if (cells != 2) {
-		dev_err(&pdev->dev, "#gpio-cells mismatch\n");
-		return -EINVAL;
-	}
-
 	/*
 	 * Check device node and parent device node for device width
 	 * and assume default width of 32
@@ -630,7 +620,6 @@ static int xgpio_probe(struct platform_device *pdev)
 	chip->gc.parent = &pdev->dev;
 	chip->gc.direction_input = xgpio_dir_in;
 	chip->gc.direction_output = xgpio_dir_out;
-	chip->gc.of_gpio_n_cells = cells;
 	chip->gc.get = xgpio_get;
 	chip->gc.set = xgpio_set;
 	chip->gc.request = xgpio_request;
-- 
2.39.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v1 1/1] gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
  2023-01-12 16:39 ` Andy Shevchenko
@ 2023-01-16  8:54   ` Bartosz Golaszewski
  -1 siblings, 0 replies; 4+ messages in thread
From: Bartosz Golaszewski @ 2023-01-16  8:54 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: linux-gpio, linux-arm-kernel, linux-kernel, Shubhrajyoti Datta,
	Srinivas Neeli, Michal Simek, Linus Walleij

On Thu, Jan 12, 2023 at 5:39 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> The of_gpio_n_cells default is 2 when ->of_xlate() callback is
> not defined. No need to assign it explicitly in the driver.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/gpio/gpio-xilinx.c | 11 -----------
>  1 file changed, 11 deletions(-)
>
> diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
> index 619a00ad71d4..bbcde91135b9 100644
> --- a/drivers/gpio/gpio-xilinx.c
> +++ b/drivers/gpio/gpio-xilinx.c
> @@ -558,7 +558,6 @@ static int xgpio_probe(struct platform_device *pdev)
>         int status = 0;
>         struct device_node *np = pdev->dev.of_node;
>         u32 is_dual = 0;
> -       u32 cells = 2;
>         u32 width[2];
>         u32 state[2];
>         u32 dir[2];
> @@ -591,15 +590,6 @@ static int xgpio_probe(struct platform_device *pdev)
>
>         bitmap_from_arr32(chip->dir, dir, 64);
>
> -       /* Update cells with gpio-cells value */
> -       if (of_property_read_u32(np, "#gpio-cells", &cells))
> -               dev_dbg(&pdev->dev, "Missing gpio-cells property\n");
> -
> -       if (cells != 2) {
> -               dev_err(&pdev->dev, "#gpio-cells mismatch\n");
> -               return -EINVAL;
> -       }
> -
>         /*
>          * Check device node and parent device node for device width
>          * and assume default width of 32
> @@ -630,7 +620,6 @@ static int xgpio_probe(struct platform_device *pdev)
>         chip->gc.parent = &pdev->dev;
>         chip->gc.direction_input = xgpio_dir_in;
>         chip->gc.direction_output = xgpio_dir_out;
> -       chip->gc.of_gpio_n_cells = cells;
>         chip->gc.get = xgpio_get;
>         chip->gc.set = xgpio_set;
>         chip->gc.request = xgpio_request;
> --
> 2.39.0
>

Applied, thanks!

Bart

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v1 1/1] gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
@ 2023-01-16  8:54   ` Bartosz Golaszewski
  0 siblings, 0 replies; 4+ messages in thread
From: Bartosz Golaszewski @ 2023-01-16  8:54 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: linux-gpio, linux-arm-kernel, linux-kernel, Shubhrajyoti Datta,
	Srinivas Neeli, Michal Simek, Linus Walleij

On Thu, Jan 12, 2023 at 5:39 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> The of_gpio_n_cells default is 2 when ->of_xlate() callback is
> not defined. No need to assign it explicitly in the driver.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/gpio/gpio-xilinx.c | 11 -----------
>  1 file changed, 11 deletions(-)
>
> diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
> index 619a00ad71d4..bbcde91135b9 100644
> --- a/drivers/gpio/gpio-xilinx.c
> +++ b/drivers/gpio/gpio-xilinx.c
> @@ -558,7 +558,6 @@ static int xgpio_probe(struct platform_device *pdev)
>         int status = 0;
>         struct device_node *np = pdev->dev.of_node;
>         u32 is_dual = 0;
> -       u32 cells = 2;
>         u32 width[2];
>         u32 state[2];
>         u32 dir[2];
> @@ -591,15 +590,6 @@ static int xgpio_probe(struct platform_device *pdev)
>
>         bitmap_from_arr32(chip->dir, dir, 64);
>
> -       /* Update cells with gpio-cells value */
> -       if (of_property_read_u32(np, "#gpio-cells", &cells))
> -               dev_dbg(&pdev->dev, "Missing gpio-cells property\n");
> -
> -       if (cells != 2) {
> -               dev_err(&pdev->dev, "#gpio-cells mismatch\n");
> -               return -EINVAL;
> -       }
> -
>         /*
>          * Check device node and parent device node for device width
>          * and assume default width of 32
> @@ -630,7 +620,6 @@ static int xgpio_probe(struct platform_device *pdev)
>         chip->gc.parent = &pdev->dev;
>         chip->gc.direction_input = xgpio_dir_in;
>         chip->gc.direction_output = xgpio_dir_out;
> -       chip->gc.of_gpio_n_cells = cells;
>         chip->gc.get = xgpio_get;
>         chip->gc.set = xgpio_set;
>         chip->gc.request = xgpio_request;
> --
> 2.39.0
>

Applied, thanks!

Bart

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2023-01-16  8:55 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-01-12 16:39 [PATCH v1 1/1] gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells Andy Shevchenko
2023-01-12 16:39 ` Andy Shevchenko
2023-01-16  8:54 ` Bartosz Golaszewski
2023-01-16  8:54   ` Bartosz Golaszewski

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