RE: [PATCH] ARM: OMAP: Beagle: support MMC gpio_wp differences on xM

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> -----Original Message-----
> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Robert Nelson
> Sent: Tuesday, August 10, 2010 8:10 PM
> To: tony@xxxxxxxxxxx
> Cc: linux-omap@xxxxxxxxxxxxxxx; Robert Nelson
> Subject: [PATCH] ARM: OMAP: Beagle: support MMC gpio_wp differences on xM
> 
> The omap3630 based BeagleBoard xM uses a MicroSD card slot with
> no write protection.
> 
> Signed-off-by: Robert Nelson <robertcnelson@xxxxxxxxx>
> ---
>  arch/arm/mach-omap2/board-omap3beagle.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-
> omap2/board-omap3beagle.c
> index 87969c7..15929be 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -185,7 +185,9 @@ static struct gpio_led gpio_leds[];
>  static int beagle_twl_gpio_setup(struct device *dev,
>  		unsigned gpio, unsigned ngpio)
>  {
> -	if (system_rev >= 0x20 && system_rev <= 0x34301000) {
> +	if (cpu_is_omap3630()) {
> +		mmc[0].gpio_wp = -EINVAL;
> +	} else if (system_rev >= 0x20 && system_rev <= 0x34301000) {
[Ghorai] it's an old code. But I think we can replace the hardcode value to use omap_rev() as you are changing the same! Or default for all omap34xx?

>  		omap_mux_init_gpio(23, OMAP_PIN_INPUT);
>  		mmc[0].gpio_wp = 23;
>  	} else {
> --
> 1.7.0.4
> 
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