linux-kernel - Re: [PATCH] ARM: OMAP3: Beagle: Fix USB Host on beagle xM Ax/Bx

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Date:	Wed, 8 May 2013 15:12:22 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Roger Quadros <rogerq@...com>
Cc:	balbi@...com, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: OMAP3: Beagle: Fix USB Host on beagle xM Ax/Bx

* Roger Quadros <rogerq@...com> [130415 04:25]:
> On Beagle xM Rev. Ax/Bx, the USB power enable GPIO logic is
> reversed when compared to other revisions i.e. it is
> active high instead of active low.
> 
> Use the beagle_config.usb_pwr_level flag correctly so that
> the power regulator can be configured at runtime.
> 
> Signed-off-by: Roger Quadros <rogerq@...com>

Thanks applying into omap-for-v3.10/fixes.

Regards,

Tony

> ---
>  arch/arm/mach-omap2/board-omap3beagle.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
> index 5382215..21136b2 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -112,13 +112,13 @@ static u8 omap3_beagle_version;
>   */
>  static struct {
>  	int mmc1_gpio_wp;
> -	int usb_pwr_level;
> +	bool usb_pwr_level;	/* 0 - Active Low, 1 - Active High */
>  	int dvi_pd_gpio;
>  	int usr_button_gpio;
>  	int mmc_caps;
>  } beagle_config = {
>  	.mmc1_gpio_wp = -EINVAL,
> -	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
> +	.usb_pwr_level = 0,
>  	.dvi_pd_gpio = -EINVAL,
>  	.usr_button_gpio = 4,
>  	.mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
> @@ -178,7 +178,7 @@ static void __init omap3_beagle_init_rev(void)
>  	case 0:
>  		printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
>  		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
> -		beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
> +		beagle_config.usb_pwr_level = 1;
>  		beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
>  		break;
>  	case 2:
> -- 
> 1.7.4.1
> 
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