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authorAmit Tomar <Amit.Tomar@freescale.com>2015-03-27 08:49:00 -0400
committerWolfram Sang <wsa@the-dreams.de>2015-03-27 11:53:41 -0400
commit9c836d0c44798227a75c410cf33a76992cf93437 (patch)
tree5758723bf83b831e2344073ac7f89d670061f1f1
parent98e982b3a29829b676b723e42c1184c87e5242d0 (diff)
i2c: mpc: Fix ISR return value
ISR should not return IRQ_HANDLED for not handling anything. This patch fixes the return value of ISR for the same case. Signed-off-by: Amit Singh Tomar <amit.tomar@freescale.com> Acked-by: Danielle Costantino <danielle.costantino@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--drivers/i2c/busses/i2c-mpc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index dc03a9164772..48ecffecc0ed 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -96,8 +96,9 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id)
96 i2c->interrupt = readb(i2c->base + MPC_I2C_SR); 96 i2c->interrupt = readb(i2c->base + MPC_I2C_SR);
97 writeb(0, i2c->base + MPC_I2C_SR); 97 writeb(0, i2c->base + MPC_I2C_SR);
98 wake_up(&i2c->queue); 98 wake_up(&i2c->queue);
99 return IRQ_HANDLED;
99 } 100 }
100 return IRQ_HANDLED; 101 return IRQ_NONE;
101} 102}
102 103
103/* Sometimes 9th clock pulse isn't generated, and slave doesn't release 104/* Sometimes 9th clock pulse isn't generated, and slave doesn't release