From: Kevin Hilman <khilman@kernel.org>
To: Alexander Kochetkov <al.kochet@gmail.com>
Cc: linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org, Felipe Balbi <balbi@ti.com>,
Wolfram Sang <wsa@the-dreams.de>,
Tony Lindgren <tony@atomide.com>
Subject: Re: [RFC] i2c: omap: TEST: do IP reset during probe.
Date: Wed, 26 Nov 2014 13:25:52 -0800 [thread overview]
Message-ID: <7hzjbdd57j.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1417028722-29306-1-git-send-email-al.kochet@gmail.com> (Alexander Kochetkov's message of "Wed, 26 Nov 2014 23:05:22 +0400")
Alexander Kochetkov <al.kochet@gmail.com> writes:
> NOT FOR UPSTREAM
>
> The patch checks if IP reset during probe could bring I2C bus
> to a free state on omap2430 - omap3530 boards.
>
> I guess, IP hold one of I2C lines in a low state.
> I guess, u-boot haven't sent a stop condition.
>
> The patch is rebased on branch 'i2c/for-next' of
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
> (6e79807443cba7397cd855ed29d6faba51d4c893)
>
> Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
> Reported-by: Kevin Hilman <khilman@kernel.org>
> Tested-by: Kevin Hilman <khilman@kernel.org>
Built for omap2plus_defconfig and tested on all my OMAP boards. Results
here:
http://people.linaro.org/~khilman/tmp/next-20141126-1-g760388ee02e4/arm-omap2plus_defconfig/
next prev parent reply other threads:[~2014-11-26 21:25 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 21:28 [RFC 0/4] i2c: omap: patch series related to multimaster mode Alexander Kochetkov
2014-11-20 21:28 ` Alexander Kochetkov
2014-11-20 21:28 ` [PATCH 1/4] i2c: omap: cleanup register definitions Alexander Kochetkov
[not found] ` <1416518925-20679-2-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-21 16:08 ` Felipe Balbi
2014-11-21 16:08 ` Felipe Balbi
[not found] ` <1416518925-20679-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-20 21:28 ` [PATCH 2/4] i2c: omap: implement workaround for handling invalid BB-bit values Alexander Kochetkov
2014-11-20 21:28 ` Alexander Kochetkov
2014-11-21 16:08 ` Felipe Balbi
2014-11-21 16:08 ` Felipe Balbi
2014-11-22 13:23 ` Wolfram Sang
2014-11-22 13:23 ` Wolfram Sang
2014-11-22 14:06 ` Alexander Kochetkov
2014-11-22 14:06 ` Alexander Kochetkov
[not found] ` <B6D9B4D7-25CB-456F-88B4-EB6A53E33A9D-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-22 18:02 ` Wolfram Sang
2014-11-22 18:02 ` Wolfram Sang
2014-11-23 4:43 ` Felipe Balbi
2014-11-23 4:43 ` Felipe Balbi
2014-11-23 13:18 ` Alexander Kochetkov
2014-11-23 13:18 ` Alexander Kochetkov
2014-11-24 19:08 ` Felipe Balbi
2014-11-24 19:08 ` Felipe Balbi
2014-11-24 19:09 ` Felipe Balbi
2014-11-24 19:09 ` Felipe Balbi
2014-11-22 19:47 ` [PATCH v3 0/4] i2c: omap: patch series related to multimaster mode Alexander Kochetkov
2014-11-22 19:47 ` Alexander Kochetkov
2014-11-22 19:47 ` [PATCH v3 2/4] i2c: omap: implement workaround for handling invalid BB-bit values Alexander Kochetkov
2014-11-24 19:08 ` Kevin Hilman
[not found] ` <CAMAWPa8whctBR6fBFaSzPvm3qn+QK06CimRrxFxxH=0kNkF4UA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-24 19:10 ` Felipe Balbi
2014-11-24 19:10 ` Felipe Balbi
2014-11-24 19:13 ` Wolfram Sang
2014-11-24 19:25 ` Tony Lindgren
2014-11-24 19:25 ` Tony Lindgren
2014-11-24 19:39 ` Alexander Kochetkov
2014-11-24 19:39 ` Alexander Kochetkov
[not found] ` <47A1A441-952C-4AC3-859C-5A8E405767E0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-24 19:47 ` Tony Lindgren
2014-11-24 19:47 ` Tony Lindgren
2014-11-24 20:05 ` Alexander Kochetkov
[not found] ` <47749B61-5924-4E56-9931-77B0CFC0AAA0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-25 0:09 ` Alexander Kochetkov
2014-11-25 0:09 ` Alexander Kochetkov
[not found] ` <06376010-5DED-49AA-9494-A9546567E7CA-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-25 15:41 ` Tony Lindgren
2014-11-25 15:41 ` Tony Lindgren
2014-11-24 21:08 ` Alexander Kochetkov
2014-11-24 21:08 ` Alexander Kochetkov
2014-11-26 22:30 ` Alexander Kochetkov
[not found] ` <1416685634-5864-3-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-24 20:33 ` [PATCH] omap: i2c: don't check bus state IP rev3.3 and earlier Alexander Kochetkov
2014-11-24 20:33 ` Alexander Kochetkov
[not found] ` <1416861189-17109-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-24 21:08 ` Tony Lindgren
2014-11-24 21:08 ` Tony Lindgren
[not found] ` <20141124210809.GG2817-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2014-11-24 22:20 ` [PATCH v2] " Alexander Kochetkov
2014-11-24 22:20 ` Alexander Kochetkov
2014-11-25 14:19 ` Wolfram Sang
2014-11-25 14:38 ` Alexander Kochetkov
[not found] ` <7E0A0B24-91D5-41A4-B007-004C5965D0D7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-25 19:13 ` Kevin Hilman
2014-11-25 19:13 ` Kevin Hilman
[not found] ` <7hvbm3jdq1.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2014-11-26 19:26 ` Alexander Kochetkov
2014-11-26 19:26 ` Alexander Kochetkov
[not found] ` <65BAE81D-E894-48EB-B5A0-0D0FFB9B448F-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-26 21:33 ` Kevin Hilman
2014-11-26 21:33 ` Kevin Hilman
[not found] ` <1416867655-22232-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-25 19:12 ` Kevin Hilman
2014-11-25 19:12 ` Kevin Hilman
2014-11-26 19:05 ` [RFC] i2c: omap: TEST: do IP reset during probe Alexander Kochetkov
2014-11-26 21:25 ` Kevin Hilman [this message]
[not found] ` <7hzjbdd57j.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2014-11-28 22:13 ` Tony Lindgren
2014-11-28 22:13 ` Tony Lindgren
[not found] ` <20141128221350.GW2817-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2014-11-28 23:25 ` Alexander Kochetkov
2014-11-28 23:25 ` Alexander Kochetkov
[not found] ` <E4A4FA05-0752-41CB-B86B-84035C6EAF05-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-29 22:06 ` Tony Lindgren
2014-11-29 22:06 ` Tony Lindgren
2014-11-29 2:14 ` Alexander Kochetkov
2014-11-29 2:14 ` Alexander Kochetkov
2014-11-22 19:47 ` [PATCH v3 4/4] i2c: omap: add notes related to i2c multimaster mode Alexander Kochetkov
[not found] ` <1416685634-5864-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-22 19:47 ` [PATCH v3 1/4] i2c: omap: cleanup register definitions Alexander Kochetkov
2014-11-22 19:47 ` Alexander Kochetkov
2014-11-22 19:47 ` [PATCH v3 3/4] i2c: omap: don't reset controller if Arbitration Lost detected Alexander Kochetkov
2014-11-22 19:47 ` Alexander Kochetkov
2014-11-22 21:08 ` [PATCH v3 0/4] i2c: omap: patch series related to multimaster mode Wolfram Sang
2014-11-22 21:08 ` Wolfram Sang
2014-11-20 21:28 ` [PATCH 3/4] i2c: omap: don't reset controller if Arbitration Lost detected Alexander Kochetkov
2014-11-21 16:08 ` Felipe Balbi
2014-11-21 16:08 ` Felipe Balbi
2014-11-21 18:11 ` Wolfram Sang
[not found] ` <1416518925-20679-4-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-21 22:51 ` [PATCH v2 " Alexander Kochetkov
2014-11-21 22:51 ` Alexander Kochetkov
[not found] ` <1416610307-3698-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-22 1:07 ` Felipe Balbi
2014-11-22 1:07 ` Felipe Balbi
2014-11-20 21:28 ` [PATCH 4/4] i2c: omap: add notes related to i2c multimaster mode Alexander Kochetkov
2014-11-21 16:08 ` Felipe Balbi
2014-11-21 16:08 ` Felipe Balbi
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