From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Mon, 12 Jan 2015 16:35:19 +0100 Subject: [PATCH v2 1/4] tty: serial: Add 8250 earlycon to support noinit option In-Reply-To: <1421068104-30463-2-git-send-email-eddie.huang@mediatek.com> References: <1421068104-30463-1-git-send-email-eddie.huang@mediatek.com> <1421068104-30463-2-git-send-email-eddie.huang@mediatek.com> Message-ID: <3712986.8SuKNvhKTk@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 12 January 2015 21:08:21 Eddie Huang wrote: > Add earlycon support not only baudrate option, but also add noinit option. > If use noinit option, 8250 earlycon will not init serial hardware and use > loader setting. > > Signed-off-by: Eddie Huang I probably missed something in the previous discussion, but why is "noinit" not just the default? I believe that is how we handle early serial ports on PowerPC, and I see no downsides to it. Arnd