Re: [PATCH] OMAPDSS: TFP410: use gpio_set_value_cansleep

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* Russ Dill <Russ.Dill@xxxxxx> [120509 15:12]:
> The Beagleboard xM gpio used for TFP410 powerdown is connected through
> an I2C attached chip which means setting the GPIO can sleep. Code that
> calls tfp410_power_on/off holds a mutex, so sleeping should be fine.

What's the error without this patch? Or just no display?

Just wondering if it's safe to merge Tomi's clean up series to
arm-soc tree..

Tony

 
> Signed-off-by: Russ Dill <Russ.Dill@xxxxxx>
> ---
>  drivers/video/omap2/displays/panel-tfp410.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c
> index 52637fa..1266520 100644
> --- a/drivers/video/omap2/displays/panel-tfp410.c
> +++ b/drivers/video/omap2/displays/panel-tfp410.c
> @@ -68,7 +68,7 @@ static int tfp410_power_on(struct omap_dss_device *dssdev)
>  		goto err0;
>  
>  	if (gpio_is_valid(ddata->pd_gpio))
> -		gpio_set_value(ddata->pd_gpio, 1);
> +		gpio_set_value_cansleep(ddata->pd_gpio, 1);
>  
>  	return 0;
>  err0:
> @@ -83,7 +83,7 @@ static void tfp410_power_off(struct omap_dss_device *dssdev)
>  		return;
>  
>  	if (gpio_is_valid(ddata->pd_gpio))
> -		gpio_set_value(ddata->pd_gpio, 0);
> +		gpio_set_value_cansleep(ddata->pd_gpio, 0);
>  
>  	omapdss_dpi_display_disable(dssdev);
>  }
> -- 
> 1.7.10
> 
> --
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