Re: [PATCH RESEND] input: gpio_keys_polled: convert to dt

[Dmitry Torokhov]

Hi Alexandre,

On Wed, Jun 20, 2012 at 08:34:21AM -0300, Alexandre Pereira da Silva wrote:
> Add device tree support to gpio_keys_polled.c
> 
> Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@xxxxxxxxx>
> Tested-by: Roland Stigge <stigge@xxxxxxxxx>
> ---
>  drivers/input/keyboard/gpio_keys_polled.c |  121 +++++++++++++++++++++++++++--
>  1 file changed, 113 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
> index 20c8ab1..a64b361 100644
> --- a/drivers/input/keyboard/gpio_keys_polled.c
> +++ b/drivers/input/keyboard/gpio_keys_polled.c
> @@ -25,6 +25,8 @@
>  #include <linux/platform_device.h>
>  #include <linux/gpio.h>
>  #include <linux/gpio_keys.h>
> +#include <linux/of_platform.h>
> +#include <linux/of_gpio.h>
>  
>  #define DRV_NAME	"gpio-keys-polled"
>  
> @@ -38,7 +40,7 @@ struct gpio_keys_button_data {
>  struct gpio_keys_polled_dev {
>  	struct input_polled_dev *poll_dev;
>  	struct device *dev;
> -	struct gpio_keys_platform_data *pdata;
> +	struct gpio_keys_platform_data pdata;

I am not sure why this change is needed. Also it seems that the driver
leaks DT-created pdata on unload.

> +
> +#define gpio_keys_polled_of_match NULL

Please use of_match_ptr() instead.

Thanks.

-- 
Dmitry
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