From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH] i2c: tegra: dynamically control fast clk Date: Fri, 17 Aug 2012 12:41:21 -0600 Message-ID: <502E9051.4090507@wwwdotorg.org> References: <1345189711-24104-1-git-send-email-ldewangan@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1345189711-24104-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Laxman Dewangan Cc: khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org, ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org On 08/17/2012 01:48 AM, Laxman Dewangan wrote: > Tegra I2C driver enables the fast clock during initialization > and does not disable till driver removed. > Enable this clock before transfer and disable after transfer done. > > Signed-off-by: Laxman Dewangan > --- > This patch is on top of the clock chnages which is in Tegra sub system and > based on > i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20 > So recommend to go on tegra sub-system. What exactly is this patch based on? I checked out Tegra's for-3.7/drivers-i2c, cherry-picked the M_NOSTART patch you mentioned, and attempted to apply this patch. It doesn't apply. Same if I don't cherry-pick the M_NOSTART patch, and same for next-20120816 with/without the M_NOSTART patch.