problem: Re: [PATCH] input: fixup X86_MRST selects

Commit Message

Dmitry Torokhov July 2, 2010, 4:46 a.m. UTC

None

Patch

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index d3a99de..b25917b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -69,11 +69,11 @@  config KEYBOARD_ATARI
 	  module will be called atakbd.
 
 config KEYBOARD_ATKBD
-	tristate "AT keyboard" if EMBEDDED || !X86 || X86_MRST
+	tristate "AT keyboard" if EMBEDDED || !X86
 	default y
 	select SERIO
 	select SERIO_LIBPS2
-	select SERIO_I8042 if X86 && !X86_MRST
+	select SERIO_I8042 if X86
 	select SERIO_GSCPS2 if GSC
 	help
 	  Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index eeb58c1..c714ca2 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -17,7 +17,7 @@  config MOUSE_PS2
 	default y
 	select SERIO
 	select SERIO_LIBPS2
-	select SERIO_I8042 if X86 && !X86_MRST
+	select SERIO_I8042 if X86
 	select SERIO_GSCPS2 if GSC
 	help
 	  Say Y here if you have a PS/2 mouse connected to your system. This
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 256b9e9..3bfe8fa 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -22,7 +22,7 @@  config SERIO_I8042
 	tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
 	default y
 	depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \
-		   (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !X86_MRST
+		   (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN
 	help
 	  i8042 is the chip over which the standard AT keyboard and PS/2
 	  mouse are connected to the computer. If you use these devices,
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 723106c..a6a4a2f 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -844,10 +844,28 @@  static inline int i8042_pnp_init(void) { return 0; }
 static inline void i8042_pnp_exit(void) { }
 #endif
 
+#if CONFIG_X86
+#include <asm/i8259.h>
+static bool i8042_legacy_free_platform(void)
+{
+	/*
+	 * Moorestown platform does not have i8042 nor does it
+	 * have other legacy devices, such as i8259. Use ths fact
+	 * to detect that we are running on a legacy-free platform.
+	 */
+	return legacy_pic == &null_legacy_pic;
+}
+#else
+static bool i8042_legacy_free_platform(void) { }
+#endif
+
 static int __init i8042_platform_init(void)
 {
 	int retval;
 
+	if (i8042_legacy_free_platform())
+		return -ENXIO;
+
 /*
  * 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.