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Date: Fri, 8 Aug 2014 18:34:55 +0200
From: Wolfram Sang <wsa@...-dreams.de>
To: Addy Ke <addy.ke@...k-chips.com>
Cc: max.schwarz@...ine.de, heiko@...ech.de, olof@...om.net,
dianders@...omium.org, linux-i2c@...r.kernel.org,
linux-kernel@...r.kernel.org, cf@...k-chips.com,
xjq@...k-chips.com, huangtao@...k-chips.com, zyw@...k-chips.com,
yzq@...k-chips.com, hj@...k-chips.com, kever.yang@...k-chips.com,
hl@...k-chips.com, caesar.wang@...k-chips.com,
zhengsq@...k-chips.com
Subject: Re: [PATCH] i2c: rk3x: fix interrupt handling issue
On Fri, Aug 08, 2014 at 05:41:40PM +0800, Addy Ke wrote:
> If slave holds scl, I2C_IPD[7] will be set 1 by controller
> for debugging. Driver must ignore it.
>
> [ 5.752391] rk3x-i2c ff160000.i2c: unexpected irq in WRITE: 0x80
> [ 5.939027] rk3x-i2c ff160000.i2c: timeout, ipd: 0x80, state: 4
>
> Signed-off-by: Addy Ke <addy.ke@...k-chips.com>
Applied to for-next and added stable, thanks!
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