Re: [PATCH v3 0/4] i2c: omap: patch series related to multimaster mode

From: Wolfram Sang
Date: Sat Nov 22 2014 - 16:06:55 EST


On Sat, Nov 22, 2014 at 11:47:10PM +0400, Alexander Kochetkov wrote:
> Here is the patch series intended to improve stability of
> i2c-omap driver in the i2c multimaster environments.
>
> Tested on Beagleboard XM C.
> For now all fine. No controller timeouts, no data corruptions.
>
> Also impelemented i2c bus fault detection during startup and
> after reset.
>
> So, instead of the message "controller timeout" blaming IP,
> you get "timeout waiting for bus ready".
>
> Rebased against i2c/for-next (eb61694b43dea0d43ea2574e7d48f476a6bdffb0)
>
> Tested on the kernel from angstrom-v2013.06-yocto1.4
> Kernel recepie linux-mainline_3.2.bb
> git://github.com/Angstrom-distribution/meta-ti.git; branch angstrom-staging-yocto1.4
> With all i2-omap.c patches backported from upstream linux/master
>
> Signed-off-by: Alexander Kochetkov <al.kochet@xxxxxxxxx>
>
> Alexander Kochetkov (4):
> i2c: omap: cleanup register definitions
> i2c: omap: implement workaround for handling invalid BB-bit values
> i2c: omap: don't reset controller if Arbitration Lost detected
> i2c: omap: add notes related to i2c multimaster mode

All applied to for-next, thanks!

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