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From: Wolfram Sang <wsa@the-dreams.de>
To: Amit Tomar <Amit.Tomar@freescale.com>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: Re: [PATCH] i2c/mpc: Fix ISR return value
Date: Thu, 5 Feb 2015 20:36:13 +0100	[thread overview]
Message-ID: <20150205193612.GG15307@katana> (raw)
In-Reply-To: <BL2PR03MB449C87445D2FD1F15E9D33483310@BL2PR03MB449.namprd03.prod.outlook.com>

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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@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
>  
> --
> To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

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  parent reply	other threads:[~2015-02-05 19:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-30 10:24 [PATCH] i2c/mpc: Fix ISR return value Amit Tomar
2015-01-30 11:09 ` Danielle Costantino
2015-02-05 19:36 ` Wolfram Sang [this message]
2015-03-27 12:47   ` Amit Tomar

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