linux-kernel - Re: [PATCH] OMAP2: add USB platform data and initialization for Nokia N800 and N810

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Date:	Tue, 29 Dec 2009 10:29:22 +0200
From:	Kalle Valo <kalle.valo@....fi>
To:	"Luke-Jr" <luke@...hjr.org>
Cc:	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap\@vger.kernel.org" <linux-omap@...r.kernel.org>,
	"Balbi Felipe \(Nokia-D\/Helsinki\)" <felipe.balbi@...ia.com>
Subject: Re: [PATCH] OMAP2: add USB platform data and initialization for Nokia N800 and N810

"Luke-Jr" <luke@...hjr.org> writes:

> Add platform data and initialization for USB on Nokia N800 and N810 devices
> via the TUSB6010 chipset.

Excellent, thank you for doing this.

> Tested on Nokia N810 in Linux-OMAP tree. Mainline is not bootable yet.

What's the problem in mainline? I haven't tested n8x0 for months :(

> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -117,6 +117,11 @@ config MACH_NOKIA_N8X0
>  	select MACH_NOKIA_N810
>  	select MACH_NOKIA_N810_WIMAX
>  
> +config MACH_NOKIA_N8X0_USB
> +	bool
> +	depends on MACH_NOKIA_N8X0 && MACH_OMAP2_TUSB6010
> +	default y
> +

Is is really needed to add new kconfig variable? Can't we just use
MACH_OMAP2_TUSB6010 in code?

> --- /dev/null
> +++ b/arch/arm/mach-omap2/board-n8x0-usb.c

I think a separate file is not needed, it's not that much code. I
recommend to just adding it directly to board-n8x0.c. It's simple and
easier for everyone.

> --- a/arch/arm/mach-omap2/board-n8x0.c
> +++ b/arch/arm/mach-omap2/board-n8x0.c
> @@ -109,8 +109,16 @@ static void __init n8x0_init_irq(void)
>  	omap_gpio_init();
>  }
>  
> +#ifdef CONFIG_MACH_NOKIA_N8X0_LCD
> +extern void n8x0_usb_init(void);
> +#else
> +static inline void n8x0_usb_init (void) {}
> +#endif

CONFIG_MACH_NOKIA_N8X0_LCD does not look right here.

-- 
Kalle Valo
--
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