From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbe@pengutronix.de (=?iso-8859-1?q?J=FCrgen_Beisert?=) Date: Tue, 23 Jul 2013 09:57:17 +0200 Subject: [PATCH] ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART In-Reply-To: <1374435765-6747-1-git-send-email-sylvester.nawrocki@gmail.com> References: <1374435765-6747-1-git-send-email-sylvester.nawrocki@gmail.com> Message-ID: <201307230957.17329.jbe@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sunday 21 July 2013 21:42:45 Sylwester Nawrocki wrote: > This patch restores serial port operation which has been broken since > commit 60e93575476f90a72146b51283f514da655410a7 > serial: samsung: enable clock before clearing pending interrupts during > init > > That commit only uncovered the real issue which was missing clkdev > entries for the "uart" clocks on S3C2440. It went unnoticed so far > because return value of clk API calls were not being checked at all > in the samsung serial port driver. > > This patch should be backported to at least 3.10 stable kernel, since > the serial port has not been working on s3c2440 since 3.10-rc5. > > Cc: Chander Kashyap > Signed-off-by: Sylwester Nawrocki > [on S3C2440 SoC based Mini2440 board] > Tested-by: Sylwester Nawrocki > > [...] Tested-by: Juergen Beisert -- Pengutronix e.K. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?| Juergen Beisert ? ? ? ? ? ? | Linux Solutions for Science and Industry ? ? ?| Phone: +49-5121-206917-5128 | Peiner Str. 6-8, 31137 Hildesheim, Germany ? ?| Fax: ? +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 ? ? ? ? ? ? ?| http://www.pengutronix.de/ ?|