From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sekhar Nori Subject: Re: [PATCH v3 3/5] ARM: davinci: da850: do not specify clock_frequency for UART DT node Date: Mon, 22 Jul 2013 15:33:13 +0530 Message-ID: <51ED0361.9020604@ti.com> References: <1371633342-1210-1-git-send-email-prakash.pm@ti.com> <1371633342-1210-4-git-send-email-prakash.pm@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1371633342-1210-4-git-send-email-prakash.pm-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org To: "Manjunathappa, Prakash" Cc: davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hs-ynQEQJNshbs@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-serial@vger.kernel.org On Wednesday 19 June 2013 02:45 PM, Manjunathappa, Prakash wrote: > DT kernel on da850-evm comes up with garbled UART logs. This is because > of mismatch in actual module clock rate and rate specified(clock-frequency) > in DT blob. kernel should not assume or depend on bootloaders clock > configuration, instead let it find the clock rate at runtime. > > Issue discussed here before arriving on this implementation: > "ARM: davinci: da850 evm: update clock rate for UART 1/2 DT nodes" > https://patchwork.kernel.org/patch/2162271/ > > Signed-off-by: Manjunathappa, Prakash Adding to v3.12/soc branch of my tree. Thanks, Sekhar From mboxrd@z Thu Jan 1 00:00:00 1970 From: nsekhar@ti.com (Sekhar Nori) Date: Mon, 22 Jul 2013 15:33:13 +0530 Subject: [PATCH v3 3/5] ARM: davinci: da850: do not specify clock_frequency for UART DT node In-Reply-To: <1371633342-1210-4-git-send-email-prakash.pm@ti.com> References: <1371633342-1210-1-git-send-email-prakash.pm@ti.com> <1371633342-1210-4-git-send-email-prakash.pm@ti.com> Message-ID: <51ED0361.9020604@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wednesday 19 June 2013 02:45 PM, Manjunathappa, Prakash wrote: > DT kernel on da850-evm comes up with garbled UART logs. This is because > of mismatch in actual module clock rate and rate specified(clock-frequency) > in DT blob. kernel should not assume or depend on bootloaders clock > configuration, instead let it find the clock rate at runtime. > > Issue discussed here before arriving on this implementation: > "ARM: davinci: da850 evm: update clock rate for UART 1/2 DT nodes" > https://patchwork.kernel.org/patch/2162271/ > > Signed-off-by: Manjunathappa, Prakash Adding to v3.12/soc branch of my tree. Thanks, Sekhar