[PATCH] i2c/mpc: Fix ISR return value
Wolfram Sang
wsa at the-dreams.de
Fri Feb 6 06:36:13 AEDT 2015
On Fri, Jan 30, 2015 at 10:24:10AM +0000, Amit Tomar wrote:
> 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 at freescale.com>
I can't apply the patch. There seem to be whitespace problems. Please
fix the patch or your mail sending.
> ---
> drivers/i2c/busses/i2c-mpc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 0edf630..7a3136f 100644
> --- a/drivers/i2c/busses/i2c-mpc.c
> +++ b/drivers/i2c/busses/i2c-mpc.c
> @@ -95,8 +95,9 @@ 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
> --
> 1.7.9.5
>
> --
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