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Date: Sun, 8 Nov 2009 09:13:14 +0100 From: Pavel Machek <pavel@....cz> To: Ben Dooks <ben-linux@...ff.org> Cc: Arve Hj?nnev?g <arve@...roid.com>, kernel list <linux-kernel@...r.kernel.org>, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, Brian Swetland <swetland@...gle.com> Subject: Re: dream: glue for mmc controller Hi! > > 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...? > > Pavel > > > > 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> > linux/gpio.h > linux/io.h I got compile errors when trying to use linux/gpio.h: arch/arm/mach-msm/board-dream-gpio.c: In function 'dream_gpio_configure': arch/arm/mach-msm/board-dream-gpio.c:109: error: 'GPIOF_OUTPUT_LOW' undeclared (first use in this function) arch/arm/mach-msm/board-dream-gpio.c:109: error: (Each undeclared identifier is reported only once arch/arm/mach-msm/board-dream-gpio.c:109: error: for each function it appears in.) arch/arm/mach-msm/board-dream-gpio.c:109: error: 'GPIOF_OUTPUT_HIGH' undeclared (first use in this function) arch/arm/mach-msm/board-dream-gpio.c: In function 'dream_init_gpio': arch/arm/mach-msm/board-dream-gpio.c:291: error: 'IRQF_TRIGGER_HIGH' undeclared (first use in this function) arch/arm/mach-msm/board-dream-gpio.c:293: error: implicit declaration of function 'set_irq_wake' > and why can't use you use gpiolib? This is what I inherited from google. What advantages are there to it? I'll eventually take a look. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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