From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@kernel.org (Kevin Hilman) Date: Mon, 20 Oct 2014 08:01:27 -0700 Subject: [PATCH v1] tty: serial: 8250_core: restore the LCR register in set_sleep In-Reply-To: <1413549558-24227-1-git-send-email-ssreedharan@mvista.com> (Sudhir Sreedharan's message of "Fri, 17 Oct 2014 18:09:18 +0530") References: <1413549558-24227-1-git-send-email-ssreedharan@mvista.com> Message-ID: <7hppdmg4zc.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Sudhir Sreedharan writes: > In ST16650V2 based serial uarts, while initalizing the PM state, > LCR registers are being initialized to 0 in serial8250_set_sleep(). > If console port is already initialized and being used, this will > throws garbage in the console. > > Signed-off-by: Sudhir Sreedharan Tested-by: Kevin Hilman I boot tested this on a bunch of ARM boards and don't see any more failures/regressions. Kevin