Re: dream: glue for mmc controller
From: Ben Dooks
Date: Tue Nov 03 2009 - 05:58:01 EST
On Tue, Nov 03, 2009 at 11:53:20AM +0100, Pavel Machek wrote:
> This is what I came up with (relative to the previous
> patches). Unfortunately, it does not quite work: mmc controller is
> detected, but it hangs trying to access the card.
> Good news is that GPIO support seems to work, and I am able to flash
> the keyboard backlight.
> Does anyone have an idea what is wrong? Do I need some more
> infrastructure to set up (DMA transfers or something?)?
> I'm only setting up one mmc channel; I believe the other one is for
> wifi, and it should work like this...?
> diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
> index 91e6f5c..16c0faa 100644
> --- a/arch/arm/mach-msm/Makefile
> +++ b/arch/arm/mach-msm/Makefile
> @@ -6,4 +6,4 @@ obj-y += clock.o clock-7x01a.o
> obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
> -obj-$(CONFIG_MACH_TROUT) += board-dream.o
> +obj-$(CONFIG_MACH_TROUT) += board-dream.o board-dream-mmc.o board-dream-gpio.o generic_gpio.o
> diff --git a/arch/arm/mach-msm/board-dream-gpio.c b/arch/arm/mach-msm/board-dream-gpio.c
> new file mode 100644
> index 0000000..7e86a99
> --- /dev/null
> +++ b/arch/arm/mach-msm/board-dream-gpio.c
> @@ -0,0 +1,301 @@
> +/* arch/arm/mach-msm/board-dream-gpio.c
> + *
> + * Copyright (C) 2008 Google, Inc.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +#include <linux/kernel.h>
> +#include <linux/errno.h>
> +#include <linux/irq.h>
> +#include <linux/pm.h>
> +#include <linux/sysdev.h>
> +#include <asm/io.h>
> +#include <asm/gpio.h>
and why can't use you use gpiolib?
Ben (ben@xxxxxxxxx, http://www.fluff.org/)
'a smiley only costs 4 bytes'
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