diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-18 06:40:50 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-18 06:40:50 +0400 |
| commit | 688d794c4c3f8b08c814381ee2edd3ede5856056 (patch) | |
| tree | ef680add71e2a9588d07d8b594edbc1b5cd127d7 /drivers/input/serio | |
| parent | 16142655269aaf580488e074eabfdcf0fb4e3687 (diff) | |
| parent | a937536b868b8369b98967929045f1df54234323 (diff) | |
| download | linux-688d794c4c3f8b08c814381ee2edd3ede5856056.tar.xz | |
Merge tag 'v3.9-rc3' into next
Merge with mainline to bring in module_platform_driver_probe() and
devm_ioremap_resource().
Diffstat (limited to 'drivers/input/serio')
| -rw-r--r-- | drivers/input/serio/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/input/serio/arc_ps2.c | 7 | ||||
| -rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 9 |
3 files changed, 15 insertions, 4 deletions
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index dbb170916dd1..aebfe3ecb945 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -22,7 +22,7 @@ config SERIO_I8042 tristate "i8042 PC Keyboard controller" if EXPERT || !X86 default y depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \ - (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN + (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !S390 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, @@ -36,6 +36,7 @@ config SERIO_I8042 config SERIO_SERPORT tristate "Serial port line discipline" default y + depends on TTY help Say Y here if you plan to use an input device (mouse, joystick, tablet, 6dof) that communicates over the RS232 serial (COM) port. diff --git a/drivers/input/serio/arc_ps2.c b/drivers/input/serio/arc_ps2.c index b571eb3e4efc..c52e3e589f72 100644 --- a/drivers/input/serio/arc_ps2.c +++ b/drivers/input/serio/arc_ps2.c @@ -8,6 +8,7 @@ * Driver is originally developed by Pavel Sokolov <psokolov@synopsys.com> */ +#include <linux/err.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/input.h> @@ -206,9 +207,9 @@ static int arc_ps2_probe(struct platform_device *pdev) return -ENOMEM; } - arc_ps2->addr = devm_request_and_ioremap(&pdev->dev, res); - if (!arc_ps2->addr) - return -EBUSY; + arc_ps2->addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(arc_ps2->addr)) + return PTR_ERR(arc_ps2->addr); dev_info(&pdev->dev, "irq = %d, address = 0x%p, ports = %i\n", irq, arc_ps2->addr, ARC_PS2_PORTS); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index d6cc77a53c7e..5f306f79da0c 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -921,6 +921,7 @@ 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; @@ -960,6 +961,14 @@ 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; |