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From: Kevin Hilman <khilman-l0cyMroinI0@public.gmane.org>
To: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
	Vikram Pandita <vikram.pandita-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH] I2C: OMAP: fix the clearing of interrupts
Date: Thu, 17 Nov 2011 11:50:35 -0800	[thread overview]
Message-ID: <8762ii4jg4.fsf@ti.com> (raw)
In-Reply-To: <1321425992-6189-1-git-send-email-shubhrajyoti-l0cyMroinI0@public.gmane.org> (Shubhrajyoti D.'s message of "Wed, 16 Nov 2011 12:16:32 +0530")

Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org> writes:

> The register IRQENABLE_CLR is a bit map of interrupt events.
> All the bits have to be cleared to clear the interrupts.
>
> Signed-off-by: Vikram Pandita <vikram.pandita-l0cyMroinI0@public.gmane.org>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org>
> ---
>  drivers/i2c/busses/i2c-omap.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index 2dfb631..c7c6bb2 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -309,7 +309,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev)
>  
>  	dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
>  	if (dev->rev >= OMAP_I2C_REV_ON_4430)
> -		omap_i2c_write_reg(dev, OMAP_I2C_IRQENABLE_CLR, 1);
> +		omap_i2c_write_reg(dev, OMAP_I2C_IRQENABLE_CLR, 0x6FFF);

While fixing, please #define this mask, and add a comment to why all the
bits set in the mask.

Thanks,

Kevin

>  	else
>  		omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0);

      parent reply	other threads:[~2011-11-17 19:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-16  6:46 [PATCH] I2C: OMAP: fix the clearing of interrupts Shubhrajyoti D
     [not found] ` <1321425992-6189-1-git-send-email-shubhrajyoti-l0cyMroinI0@public.gmane.org>
2011-11-17 19:50   ` Kevin Hilman [this message]

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