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-rw-r--r--Documentation/kernel-parameters.txt1
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h21
-rw-r--r--drivers/input/serio/i8042.c6
3 files changed, 27 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 792be8687b52..2b2691509d08 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -811,6 +811,7 @@ and is between 256 and 4096 characters. It is defined in the file
i8042.panicblink=
[HW] Frequency with which keyboard LEDs should blink
when kernel panics (default is 0.5 sec)
+ i8042.notimeout [HW] Ignore timeout condition signalled by conroller
i8042.reset [HW] Reset the controller during init and cleanup
i8042.unlock [HW] Unlock (ignore) the keylock
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 29e686388a2c..6afa77df4240 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -430,6 +430,13 @@ static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
},
},
+ {
+ /* Dell Vostro V13 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
+ },
+ },
{ }
};
@@ -655,6 +662,17 @@ static int __init i8042_platform_init(void)
{
int retval;
+static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
+ {
+ /* Dell Vostro V13 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
+ },
+ },
+ { }
+};
+
/*
* 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.
@@ -681,6 +699,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_nomux_table))
i8042_nomux = 1;
+ if (dmi_check_system(i8042_dmi_notimeout_table))
+ i8042_notimeout = true;
+
if (dmi_check_system(i8042_dmi_dritek_table))
i8042_dritek = 1;
#endif /* CONFIG_X86 */
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 170f71ee5772..008da66c553c 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -63,6 +63,10 @@ static unsigned int i8042_blink_frequency = 500;
module_param_named(panicblink, i8042_blink_frequency, uint, 0600);
MODULE_PARM_DESC(panicblink, "Frequency with which keyboard LEDs should blink when kernel panics");
+static unsigned int i8042_notimeout;
+module_param_named(notimeout, i8042_notimeout, bool, 0);
+MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042");
+
#ifdef CONFIG_X86
static unsigned int i8042_dritek;
module_param_named(dritek, i8042_dritek, bool, 0);
@@ -362,7 +366,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
} else {
dfl = ((str & I8042_STR_PARITY) ? SERIO_PARITY : 0) |
- ((str & I8042_STR_TIMEOUT) ? SERIO_TIMEOUT : 0);
+ ((str & I8042_STR_TIMEOUT && !i8042_notimeout) ? SERIO_TIMEOUT : 0);
port_no = (str & I8042_STR_AUXDATA) ?
I8042_AUX_PORT_NO : I8042_KBD_PORT_NO;