linux-kernel - Re: [PATCH] OMAP2: Devkit8000: Use _cansleep GPIO functions for display reset lines

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Date:	Tue, 21 Dec 2010 10:16:13 +0100
From:	Thomas Weber <weber@...science.de>
To:	Daniel Morsing <daniel.morsing@...il.com>
CC:	tony@...mide.com, linux@....linux.org.uk,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] OMAP2: Devkit8000: Use _cansleep GPIO functions for display
 reset lines

Am 21.12.2010 08:47, schrieb Daniel Morsing:
> The display reset lines are connected to a TPS65930 which may sleep
> when changing GPIO values. Use the appropriate function to silence
> a nasty warning from gpiolib.
>
> Signed-off-by: Daniel Morsing <daniel.morsing@...il.com>
> ---
>  arch/arm/mach-omap2/board-devkit8000.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-devkit8000.c
> b/arch/arm/mach-omap2/board-devkit8000.c
> index 53ac762..f1f58f5 100644
> --- a/arch/arm/mach-omap2/board-devkit8000.c
> +++ b/arch/arm/mach-omap2/board-devkit8000.c
> @@ -118,27 +118,27 @@ static int devkit8000_panel_enable_lcd(struct
> omap_dss_device *dssdev)
>  	twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);
>
>  	if (gpio_is_valid(dssdev->reset_gpio))
> -		gpio_set_value(dssdev->reset_gpio, 1);
> +		gpio_set_value_cansleep(dssdev->reset_gpio, 1);
>  	return 0;
>  }
>
>  static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev)
>  {
>  	if (gpio_is_valid(dssdev->reset_gpio))
> -		gpio_set_value(dssdev->reset_gpio, 0);
> +		gpio_set_value_cansleep(dssdev->reset_gpio, 0);
>  }
>
>  static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev)
>  {
>  	if (gpio_is_valid(dssdev->reset_gpio))
> -		gpio_set_value(dssdev->reset_gpio, 1);
> +		gpio_set_value_cansleep(dssdev->reset_gpio, 1);
>  	return 0;
>  }
>
>  static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev)
>  {
>  	if (gpio_is_valid(dssdev->reset_gpio))
> -		gpio_set_value(dssdev->reset_gpio, 0);
> +		gpio_set_value_cansleep(dssdev->reset_gpio, 0);
>  }
>
>  static struct regulator_consumer_supply devkit8000_vmmc1_supply =
Hello Daniel,

Your patch is destroyed by gmail.
Please read Documentation/email-clients.txt

I have the same patch on my list.

So you can add an

Acked-by: Thomas Weber <weber@...science.de>


Regards,
Thomas

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