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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-11-06 02:00:48 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-11-06 02:00:48 -0500
commit02cee68998010c4a2cc2383c86babc2ecc737183 (patch)
tree13c6483472f672c3b2570b075ed2ad4fd4c5405e /drivers/input/serio
parentf5ba35023697e54a24487bcd822194390a333893 (diff)
parentb419148e567728f6af0c3b01965c1cc141e3e13a (diff)
Merge commit 'v2.6.32-rc6' into next
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h13
-rw-r--r--drivers/input/serio/i8042.c35
2 files changed, 40 insertions, 8 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a39bc4eb902b..a537925f7651 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -327,6 +327,17 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
327 }, 327 },
328 }, 328 },
329 { 329 {
330 /*
331 * Reset and GET ID commands issued via KBD port are
332 * sometimes being delivered to AUX3.
333 */
334 .ident = "Sony Vaio FZ-240E",
335 .matches = {
336 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
337 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
338 },
339 },
340 {
330 .ident = "Amoi M636/A737", 341 .ident = "Amoi M636/A737",
331 .matches = { 342 .matches = {
332 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), 343 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
@@ -661,7 +672,7 @@ static void i8042_pnp_exit(void)
661static int __init i8042_pnp_init(void) 672static int __init i8042_pnp_init(void)
662{ 673{
663 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 }; 674 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
664 int pnp_data_busted = false; 675 bool pnp_data_busted = false;
665 int err; 676 int err;
666 677
667#ifdef CONFIG_X86 678#ifdef CONFIG_X86
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index a31578170ccc..1df02d25aca5 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -836,17 +836,32 @@ static int i8042_controller_selftest(void)
836static int i8042_controller_init(void) 836static int i8042_controller_init(void)
837{ 837{
838 unsigned long flags; 838 unsigned long flags;
839 int n = 0;
840 unsigned char ctr[2];
839 841
840/* 842/*
841 * Save the CTR for restoral on unload / reboot. 843 * Save the CTR for restore on unload / reboot.
842 */ 844 */
843 845
844 if (i8042_command(&i8042_ctr, I8042_CMD_CTL_RCTR)) { 846 do {
845 printk(KERN_ERR "i8042.c: Can't read CTR while initializing i8042.\n"); 847 if (n >= 10) {
846 return -EIO; 848 printk(KERN_ERR
847 } 849 "i8042.c: Unable to get stable CTR read.\n");
850 return -EIO;
851 }
852
853 if (n != 0)
854 udelay(50);
855
856 if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
857 printk(KERN_ERR
858 "i8042.c: Can't read CTR while initializing i8042.\n");
859 return -EIO;
860 }
848 861
849 i8042_initial_ctr = i8042_ctr; 862 } while (n < 2 || ctr[0] != ctr[1]);
863
864 i8042_initial_ctr = i8042_ctr = ctr[0];
850 865
851/* 866/*
852 * Disable the keyboard interface and interrupt. 867 * Disable the keyboard interface and interrupt.
@@ -895,6 +910,12 @@ static int i8042_controller_init(void)
895 return -EIO; 910 return -EIO;
896 } 911 }
897 912
913/*
914 * Flush whatever accumulated while we were disabling keyboard port.
915 */
916
917 i8042_flush();
918
898 return 0; 919 return 0;
899} 920}
900 921
@@ -914,7 +935,7 @@ static void i8042_controller_reset(void)
914 i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS; 935 i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS;
915 i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT); 936 i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
916 937
917 if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR)) 938 if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
918 printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n"); 939 printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n");
919 940
920/* 941/*