From: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Date: Thu, 31 Mar 2011 05:33:42 +0000 (-0700)
Subject: Input: spear-keyboard - fix inverted condition in interrupt handler
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=799a2a215ed7f9398a8d528767e64b8e39904105;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Input: spear-keyboard - fix inverted condition in interrupt handler

We should return IRQ_NONE from interrupt handler in case keyboard
does not report DATA_AVAIL condition.

Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index bee03d64c453..d712dffd2157 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -69,7 +69,7 @@ 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) {