xhci: Fix null pointer dereference if xhci initialization fails

[pandora-kernel.git] / drivers / input / serio / i8042-x86ia64io.h

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b4cfc6c..031270c 100644 (file)
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -176,6 +176,20 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
                },
        },
+       {
+               /* Gigabyte T1005 - defines wrong chassis type ("Other") */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
+               },
+       },
+       {
+               /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
+               },
+       },
        {
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
@@ -319,6 +333,12 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
                },
        },
+       {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
+               },
+       },
        {
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
@@ -894,6 +914,7 @@ static int __init i8042_platform_init(void)
        int retval;
 
 #ifdef CONFIG_X86
+       u8 a20_on = 0xdf;
        /* Just return if pre-detection shows no i8042 controller exist */
        if (!x86_platform.i8042_detect())
                return -ENODEV;
@@ -933,6 +954,14 @@ static int __init i8042_platform_init(void)
 
        if (dmi_check_system(i8042_dmi_dritek_table))
                i8042_dritek = true;
+
+       /*
+        * A20 was already enabled during early kernel init. But some buggy
+        * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
+        * resume from S3. So we do it here and hope that nothing breaks.
+        */
+       i8042_command(&a20_on, 0x10d1);
+       i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
 #endif /* CONFIG_X86 */
 
        return retval;