From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryder Lee Date: Wed, 14 Nov 2018 09:32:40 +0800 Subject: [U-Boot] [PATCH v4 14/18] serial: 16550: allow the driver to support MediaTek serial In-Reply-To: References: Message-ID: <1542159160.6150.3.camel@mtkswgap22> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, 2018-11-13 at 11:53 -0800, Simon Glass wrote: > Hi Ryder, > > On 6 November 2018 at 01:47, Ryder Lee wrote: > > This patch adds an extra operation in ns16550.c to suuport MediaTek > > SoCs as we have a highspeed register which influences the calcualtion > > of the divisor. > > > > Note that we don't support the baudrate greater than 115200 currently. > > > > Signed-off-by: Ryder Lee > > Tested-by: Matthias Brugger > > Reviewed-by: Simon Glass > > --- > > Changes since v4: None > > > > @Simon > > We have tried the compatible string, but it made the ns16550 driver more complicated. > > To use the compatible string we have to add a new field in ns16550_platdata, and change > > the flow of ns16550_serial_probe(). > > > > Moreover, it's totally useless for debug uart. At present using a macro is the easiest way here. > > > > What do you think? > > --- > > drivers/serial/ns16550.c | 10 ++++++++++ > > 1 file changed, 10 insertions(+) > > Please see my reply to the other thread. We should not have > arch-specific code in generic drivers. > > Sorry for not replying earlier on that. > OK. BTW, can you (or Tom) please take the other patches through your tree? Ryder