[PATCH resend] input/spear-keyboard fix: return IRQ_NONE if (status reg & DATA_AVAIL)
From: Rajeev Kumar <hidden>
Date: 2011-03-28 11:59:06
Also in:
linux-arm-kernel
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
We should return IRQ_NONE from interrupt handler in case data is not avail for keyboard Signed-off-by: Rajeev Kumar <redacted> --- drivers/input/keyboard/spear-keyboard.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index f18dc67..c6ab1df 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c@@ -70,7 +70,7 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id) u8 sts, val; sts = readb(kbd->io_base + STATUS_REG); - if (sts & DATA_AVAIL) + if (!(sts & DATA_AVAIL)) return IRQ_NONE; if (kbd->last_key != KEY_RESERVED) {
--
1.6.0.2