From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Kochetkov Subject: Re: [PATCH] i2c: omap: fix i207 errata handling Date: Sat, 22 Nov 2014 02:16:53 +0300 Message-ID: References: <1416529011-21803-1-git-send-email-al.kochet@gmail.com> <089B5BDA-682D-46B6-869F-A6ADDFE691C3@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <089B5BDA-682D-46B6-869F-A6ADDFE691C3-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alexander Kochetkov Cc: Wolfram Sang , Tony Lindgren , Felipe Balbi , Aaro Koskinen List-Id: linux-i2c@vger.kernel.org 21 =CE=CF=D1=C2. 2014 =C7., =D7 3:29, Alexander Kochetkov =CE=C1=D0=C9=D3=C1=CC(=C1): >>=20 >> Found by code review. Real impact haven't seen. >> Tested on Beagleboard XM C. >=20 > Does anybody know the "certain rare conditions" when RDR errata appea= rs? > I tested without luck (Beagleboard XM C). Spent half a day trying to catch the errata without luck. Tried to simulate noise on the bus in hope it may happen. Tried to run with OMAP_I2C_FLAG_NO_FIFO flag. What a mystery errata. Hiding. Anyway, thanks! Have a nice weekend!