From mboxrd@z Thu Jan 1 00:00:00 1970 From: davidb@codeaurora.org (David Brown) Date: Wed, 24 Jul 2013 13:30:26 -0700 Subject: [PATCH 3/4] msm_serial: Make baud_code detection more dynamic In-Reply-To: <1374691051-28544-4-git-send-email-sboyd@codeaurora.org> References: <1374691051-28544-1-git-send-email-sboyd@codeaurora.org> <1374691051-28544-4-git-send-email-sboyd@codeaurora.org> Message-ID: <20130724203026.GD10926@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jul 24, 2013 at 11:37:30AM -0700, Stephen Boyd wrote: >Currently msm_set_baud_rate() assumes the uart clock rate is >1.8432 MHz. This is not always true, and limits our options to >program the baud rate. Instead of assuming the rate and >hard-coding the baud_code based on it, calculate the divider that >we want and try to find the closest baud_code that matches. This >allows us to support uarts with faster clock speeds. > >Signed-off-by: Stephen Boyd >--- > drivers/tty/serial/msm_serial.c | 98 ++++++++++++++++++----------------------- > drivers/tty/serial/msm_serial.h | 18 ++------ > 2 files changed, 48 insertions(+), 68 deletions(-) Acked-by: David Brown -- sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation