From: Márton Németh <[EMAIL PROTECTED]>
Export the i8042_command() function which manages the mutual exclusion
with the help of the i8042_lock spinlock. This lets possible to use the
i8042 hardware safely from other part of the kernel, too.
Signed-off-by: Márton Németh <[EMAIL PROTECTED]>
---
diff -uprN linux-2.6.22.orig/drivers/input/serio/i8042.c
linux-2.6.22/drivers/input/serio/i8042.c
--- linux-2.6.22.orig/drivers/input/serio/i8042.c 2007-07-09
01:32:17.000000000 +0200
+++ linux-2.6.22/drivers/input/serio/i8042.c 2007-07-17 17:03:54.000000000
+0200
@@ -20,6 +20,7 @@
#include <linux/err.h>
#include <linux/rcupdate.h>
#include <linux/platform_device.h>
+#include <linux/i8042.h>
#include <asm/io.h>
@@ -208,7 +209,7 @@ static int __i8042_command(unsigned char
return 0;
}
-static int i8042_command(unsigned char *param, int command)
+int i8042_command(unsigned char *param, int command)
{
unsigned long flags;
int retval;
@@ -219,6 +220,7 @@ static int i8042_command(unsigned char *
return retval;
}
+EXPORT_SYMBOL(i8042_command);
/*
* i8042_kbd_write() sends a byte out through the keyboard interface.
diff -uprN linux-2.6.22.orig/include/linux/i8042.h
linux-2.6.22/include/linux/i8042.h
--- linux-2.6.22.orig/include/linux/i8042.h 1970-01-01 01:00:00.000000000
+0100
+++ linux-2.6.22/include/linux/i8042.h 2007-07-17 10:52:13.000000000 +0200
@@ -0,0 +1,10 @@
+
+/* There is already a header file linux/drivers/input/serio/i8042.h, so
+ * using the _LINUX prefix here as this is the <linux/i8042.h> file.
+ */
+#ifndef _LINUX_I8042_H
+#define _LINUX_I8402_H
+
+int i8042_command(unsigned char *param, int command);
+
+#endif
