diff options
Diffstat (limited to 'target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch')
| -rw-r--r-- | target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch b/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch new file mode 100644 index 0000000000..c27a67c7c9 --- /dev/null +++ b/target/linux/omap24xx/patches-3.1/253-cbus-tahvo-irq-reg-lock.patch @@ -0,0 +1,15 @@ +Index: linux-3.1.1/drivers/cbus/tahvo.c +=================================================================== +--- linux-3.1.1.orig/drivers/cbus/tahvo.c 2011-11-17 18:51:03.708374259 +0100 ++++ linux-3.1.1/drivers/cbus/tahvo.c 2011-11-17 18:57:17.739067493 +0100 +@@ -137,8 +137,10 @@ static irqreturn_t tahvo_irq_handler(int + u16 id; + u16 im; + ++ mutex_lock(&tahvo->mutex); + id = __tahvo_read_reg(tahvo, TAHVO_REG_IDR); + im = __tahvo_read_reg(tahvo, TAHVO_REG_IMR); ++ mutex_unlock(&tahvo->mutex); + id &= ~im; + + if (!id) { |