diff --git a/packages/linux/patches/009-disable-i8042-check-on-apple-mac.diff b/packages/linux/patches/009-disable-i8042-check-on-apple-mac.diff new file mode 100644 index 0000000000..f99d0f900c --- /dev/null +++ b/packages/linux/patches/009-disable-i8042-check-on-apple-mac.diff @@ -0,0 +1,59 @@ +From 2a79554c864ac58fa2ad982f0fcee2cc2aa33eb5 Mon Sep 17 00:00:00 2001 +From: Bastien Nocera +Date: Thu, 20 May 2010 10:30:31 -0400 +Subject: Disable i8042 checks on Intel Apple Macs + +As those computers never had any i8042 controllers, and the +current lookup code could potentially lock up/hang/wait for +timeout for long periods of time. + +Fixes intermittent hangs on boot on a MacbookAir1,1 + +Signed-off-by: Bastien Nocera +--- + drivers/input/serio/i8042.c | 22 ++++++++++++++++++++++ + 1 files changed, 22 insertions(+), 0 deletions(-) + +diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c +index 6440a8f..4d7cf98 100644 +--- a/drivers/input/serio/i8042.c ++++ b/drivers/input/serio/i8042.c +@@ -1451,6 +1451,22 @@ static struct platform_driver i8042_driver = { + .shutdown = i8042_shutdown, + }; + ++#ifdef CONFIG_DMI ++static struct dmi_system_id __initdata dmi_system_table[] = { ++ { ++ .matches = { ++ DMI_MATCH(DMI_BIOS_VENDOR, "Apple Computer, Inc.") ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_BIOS_VENDOR, "Apple Inc.") ++ }, ++ }, ++ {} ++}; ++#endif /*CONFIG_DMI*/ ++ + static int __init i8042_init(void) + { + struct platform_device *pdev; +@@ -1458,6 +1474,12 @@ static int __init i8042_init(void) + + dbg_init(); + ++#ifdef CONFIG_DMI ++ /* Intel Apple Macs never have an i8042 controller */ ++ if (dmi_check_system(dmi_system_table) > 0) ++ return -ENODEV; ++#endif /*CONFIG_DMI*/ ++ + err = i8042_platform_init(); + if (err) + return err; +-- +1.7.0.1 +