diff mbox series

[v1,3/9] i2c: designware: Align dw_i2c_of_configure() with i2c_dw_acpi_configure()

Message ID 20230725143023.86325-4-andriy.shevchenko@linux.intel.com
State New
Headers show
Series i2c: designware: code consolidation & cleanups | expand

Commit Message

Andy Shevchenko July 25, 2023, 2:30 p.m. UTC
For the sake of consistency align dw_i2c_of_configure() with
i2c_dw_acpi_configure() and rename the former to i2c_dw_of_configure().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/i2c/busses/i2c-designware-platdrv.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

Comments

Andi Shyti July 25, 2023, 9:48 p.m. UTC | #1
Hi Andy,

On Tue, Jul 25, 2023 at 05:30:17PM +0300, Andy Shevchenko wrote:
> For the sake of consistency align dw_i2c_of_configure() with
> i2c_dw_acpi_configure() and rename the former to i2c_dw_of_configure().
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/i2c/busses/i2c-designware-platdrv.c | 19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
> index c60e55b8398e..d35a6bbcb6fb 100644
> --- a/drivers/i2c/busses/i2c-designware-platdrv.c
> +++ b/drivers/i2c/busses/i2c-designware-platdrv.c
> @@ -132,9 +132,9 @@ static int mscc_twi_set_sda_hold_time(struct dw_i2c_dev *dev)
>  	return 0;
>  }
>  
> -static int dw_i2c_of_configure(struct platform_device *pdev)
> +static void i2c_dw_of_do_configure(struct dw_i2c_dev *dev, struct device *device)
>  {
> -	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
> +	struct platform_device *pdev = to_platform_device(device);
>  
>  	switch (dev->flags & MODEL_MASK) {
>  	case MODEL_MSCC_OCELOT:
> @@ -145,8 +145,12 @@ static int dw_i2c_of_configure(struct platform_device *pdev)
>  	default:
>  		break;
>  	}
> +}
>  
> -	return 0;
> +static void i2c_dw_of_configure(struct dw_i2c_dev *dev)
> +{
> +	if (dev_of_node(dev->dev))
> +		i2c_dw_of_do_configure(dev, dev->dev);

You could add this check above and avoid this micro-if-functions.

	if (!dev_of_node(dev->dev))
		return;

up to you...

Reviewed-by: Andi Shyti <andi.shyti@kernel.org> 

Andi

>  }
>  
>  static const struct of_device_id dw_i2c_of_match[] = {
> @@ -162,10 +166,7 @@ static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
>  	return -ENODEV;
>  }
>  
> -static inline int dw_i2c_of_configure(struct platform_device *pdev)
> -{
> -	return -ENODEV;
> -}
> +static inline void i2c_dw_of_configure(struct dw_i2c_dev *dev) { }
>  #endif
>  
>  static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev)
> @@ -311,9 +312,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
>  
>  	i2c_dw_adjust_bus_speed(dev);
>  
> -	if (pdev->dev.of_node)
> -		dw_i2c_of_configure(pdev);
> -
> +	i2c_dw_of_configure(dev);
>  	i2c_dw_acpi_configure(dev);
>  
>  	ret = i2c_dw_validate_speed(dev);
> -- 
> 2.40.0.1.gaa8946217a0b
>
Andy Shevchenko July 26, 2023, 2:48 p.m. UTC | #2
On Tue, Jul 25, 2023 at 11:48:36PM +0200, Andi Shyti wrote:
> On Tue, Jul 25, 2023 at 05:30:17PM +0300, Andy Shevchenko wrote:

...

> > +static void i2c_dw_of_configure(struct dw_i2c_dev *dev)
> > +{
> > +	if (dev_of_node(dev->dev))
> > +		i2c_dw_of_do_configure(dev, dev->dev);
> 
> You could add this check above and avoid this micro-if-functions.
> 
> 	if (!dev_of_node(dev->dev))
> 		return;
> 
> up to you...

Have you had a chance to look into patch 7? Maybe you can come up with some
advice or ideas on how to make the series better...

> Reviewed-by: Andi Shyti <andi.shyti@kernel.org>

Thank you!

> >  }
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index c60e55b8398e..d35a6bbcb6fb 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -132,9 +132,9 @@  static int mscc_twi_set_sda_hold_time(struct dw_i2c_dev *dev)
 	return 0;
 }
 
-static int dw_i2c_of_configure(struct platform_device *pdev)
+static void i2c_dw_of_do_configure(struct dw_i2c_dev *dev, struct device *device)
 {
-	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
+	struct platform_device *pdev = to_platform_device(device);
 
 	switch (dev->flags & MODEL_MASK) {
 	case MODEL_MSCC_OCELOT:
@@ -145,8 +145,12 @@  static int dw_i2c_of_configure(struct platform_device *pdev)
 	default:
 		break;
 	}
+}
 
-	return 0;
+static void i2c_dw_of_configure(struct dw_i2c_dev *dev)
+{
+	if (dev_of_node(dev->dev))
+		i2c_dw_of_do_configure(dev, dev->dev);
 }
 
 static const struct of_device_id dw_i2c_of_match[] = {
@@ -162,10 +166,7 @@  static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
 	return -ENODEV;
 }
 
-static inline int dw_i2c_of_configure(struct platform_device *pdev)
-{
-	return -ENODEV;
-}
+static inline void i2c_dw_of_configure(struct dw_i2c_dev *dev) { }
 #endif
 
 static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev)
@@ -311,9 +312,7 @@  static int dw_i2c_plat_probe(struct platform_device *pdev)
 
 	i2c_dw_adjust_bus_speed(dev);
 
-	if (pdev->dev.of_node)
-		dw_i2c_of_configure(pdev);
-
+	i2c_dw_of_configure(dev);
 	i2c_dw_acpi_configure(dev);
 
 	ret = i2c_dw_validate_speed(dev);