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authorAmit Tomar <Amit.Tomar@freescale.com>2015-03-27 18:19:00 +0530
committerWolfram Sang <wsa@the-dreams.de>2015-03-27 16:53:41 +0100
commit9c836d0c44798227a75c410cf33a76992cf93437 (patch)
tree5758723bf83b831e2344073ac7f89d670061f1f1 /drivers/i2c
parent98e982b3a29829b676b723e42c1184c87e5242d0 (diff)
downloadop-kernel-dev-9c836d0c44798227a75c410cf33a76992cf93437.zip
op-kernel-dev-9c836d0c44798227a75c410cf33a76992cf93437.tar.gz
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>
Diffstat (limited to 'drivers/i2c')
-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 dc03a91..48ecffe 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)
i2c->interrupt = readb(i2c->base + MPC_I2C_SR);
writeb(0, i2c->base + MPC_I2C_SR);
wake_up(&i2c->queue);
+ return IRQ_HANDLED;
}
- return IRQ_HANDLED;
+ return IRQ_NONE;
}
/* Sometimes 9th clock pulse isn't generated, and slave doesn't release
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