X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finput%2Fserio%2Fi8042-io.h;h=3b4e13b9ce1b9ac7317335c49f7b5bed8f854524;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=2cba0884059c29860d5e18aa2c004b0362b31b17;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h
index 2cba08840..3b4e13b9c 100644
--- a/drivers/input/serio/i8042-io.h
+++ b/drivers/input/serio/i8042-io.h
@@ -3,7 +3,7 @@
 
 /*
  * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by 
+ * under the terms of the GNU General Public License version 2 as published by
  * the Free Software Foundation.
  */
 
@@ -22,9 +22,6 @@
 #ifdef __alpha__
 # define I8042_KBD_IRQ	1
 # define I8042_AUX_IRQ	(RTC_PORT(0) == 0x170 ? 9 : 12)	/* Jensen is special */
-#elif defined(__ia64__)
-# define I8042_KBD_IRQ isa_irq_to_vector(1)
-# define I8042_AUX_IRQ isa_irq_to_vector(12)
 #elif defined(__arm__)
 /* defined in include/asm-arm/arch-xxx/irqs.h */
 #include <asm/irq.h>
@@ -35,12 +32,13 @@
 # define I8042_AUX_IRQ	12
 #endif
 
+
 /*
  * Register numbers.
  */
 
-#define I8042_COMMAND_REG	0x64	
-#define I8042_STATUS_REG	0x64	
+#define I8042_COMMAND_REG	0x64
+#define I8042_STATUS_REG	0x64
 #define I8042_DATA_REG		0x60
 
 static inline int i8042_read_data(void)
@@ -56,35 +54,35 @@ static inline int i8042_read_status(void)
 static inline void i8042_write_data(int val)
 {
 	outb(val, I8042_DATA_REG);
-	return;
 }
 
 static inline void i8042_write_command(int val)
 {
 	outb(val, I8042_COMMAND_REG);
-	return;
 }
 
 static inline int i8042_platform_init(void)
 {
 /*
- * On ix86 platforms touching the i8042 data register region can do really
- * bad things. Because of this the region is always reserved on ix86 boxes.
+ * On some platforms touching the i8042 data register region can do really
+ * bad things. Because of this the region is always reserved on such boxes.
  */
-#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__) && !defined(__mips__)
+#if defined(CONFIG_PPC_MERGE)
+	if (check_legacy_ioport(I8042_DATA_REG))
+		return -ENODEV;
+#endif
+#if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__)
 	if (!request_region(I8042_DATA_REG, 16, "i8042"))
-		return -1;
+		return -EBUSY;
 #endif
 
-#if !defined(__i386__) && !defined(__x86_64__)
-        i8042_reset = 1;
-#endif
+	i8042_reset = 1;
 	return 0;
 }
 
 static inline void i8042_platform_exit(void)
 {
-#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__)
+#if !defined(__sh__) && !defined(__alpha__)
 	release_region(I8042_DATA_REG, 16);
 #endif
 }