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authorViresh Kumar <viresh.kumar@linaro.org>2013-06-19 20:38:58 +0530
committerWim Van Sebroeck <wim@iguana.be>2013-07-11 21:47:58 +0200
commit6e63a3a294fdf91eaaac1061a9c7a5f53d16ac25 (patch)
tree585330f1e8cea1675999213b01dabf7b0e9e1394 /arch/arm/configs/spear13xx_defconfig
parent8fce9b367d672332d2d101175b10737ee5c18b59 (diff)
watchdog: delete mpcore_wdt driver
Interrupt request doesn't use the right API: The TWD watchdog uses a per-cpu interrupt (usually interrupt #30), and the GIC configuration should flag it as such. With this setup, request_irq() should fail, and the right API is request_percpu_irq(), together with enable_percpu_irq()/disable_percpu_irq(). Nothing ensures the userspace ioctl() will end-up kicking the watchdog on the right CPU. There are no users of this driver since a long time and it makes more sense to get rid of it as nobody is looking to fix it. In case somebody wakes up after this has been removed and needs it, please revert this driver and pick these updates (These were never pushed to mainline): http://comments.gmane.org/gmane.linux.ports.arm.kernel/245998 Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'arch/arm/configs/spear13xx_defconfig')
-rw-r--r--arch/arm/configs/spear13xx_defconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm/configs/spear13xx_defconfig b/arch/arm/configs/spear13xx_defconfig
index 1fdb82694ca..82eaa552ed1 100644
--- a/arch/arm/configs/spear13xx_defconfig
+++ b/arch/arm/configs/spear13xx_defconfig
@@ -61,7 +61,6 @@ CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_PL061=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
-CONFIG_MPCORE_WATCHDOG=y
# CONFIG_HID_SUPPORT is not set
CONFIG_USB=y
# CONFIG_USB_DEVICE_CLASS is not set