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SubjectRe: [PATCH] Add btgpio driver
Date
On Tuesday 01 July 2008, Domenico Andreoli wrote:
>
> > How one is supposed to test this driver? I am unable to switch on
> > the GPIO lib support in my config. I tried also allyesconfig but no
> > trace of gpio lib stuff.
>
> Really, GPIO menu is no present anywhere. While searching for GPIO
> finds stuff, I am unable to locate and select it. I am using 2.6.26-rc8

Appended is what I use on x86 PCs. It's not quite suitable for merge
as-is since there's some x86 system with a nonstandard setup.

- Dave

====== CUT HERE
DEBUG ONLY -- make X86_PC use gpiolib.

It's not clear to me how the various x86-ish platforms should
be made to work here, since there seems to be no convention
that each platform type has its own <asm/arch/...> subdir.

---
arch/x86/Kconfig | 2 ++
include/asm-x86/gpio.h | 20 +++++++++++++++++++-
2 files changed, 21 insertions(+), 1 deletion(-)

--- a/arch/x86/Kconfig 2008-06-30 16:44:30.000000000 -0700
+++ b/arch/x86/Kconfig 2008-06-30 21:37:08.000000000 -0700
@@ -236,6 +236,8 @@ choice

config X86_PC
bool "PC-compatible"
+ select GENERIC_GPIO
+ select HAVE_GPIO_LIB
help
Choose this option if your computer is a standard PC or compatible.

--- a/include/asm-x86/gpio.h 2008-06-30 16:44:30.000000000 -0700
+++ b/include/asm-x86/gpio.h 2008-06-30 21:37:08.000000000 -0700
@@ -1,6 +1,24 @@
#ifndef _ASM_I386_GPIO_H
#define _ASM_I386_GPIO_H

-#include <gpio.h>
+// #include <gpio.h>
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return -EINVAL;
+}
+

#endif /* _ASM_I386_GPIO_H */

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