From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie Huang Subject: [PATCH v3 1/3] tty: serial: 8250: export early_serial8250_setup function Date: Tue, 28 Apr 2015 21:40:32 +0800 Message-ID: <1430228434-31779-2-git-send-email-eddie.huang@mediatek.com> References: <1430228434-31779-1-git-send-email-eddie.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1430228434-31779-1-git-send-email-eddie.huang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman , Matthias Brugger Cc: srv_heupstream@mediatek.com, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Jiri Slaby , Eddie Huang , Howard Chen , Ashwin Chaugule , Peter Hurley , Wang Long , Kevin Cernekee , Vineet Gupta , "Rafael J. Wysocki" , Alan Cox , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-mediatek@lists.infradead.orgSascha Hauer List-Id: linux-mediatek@lists.infradead.org 8250-like uart driver may call early_serial8250_setup to reuse 8250_early.c character output function. Signed-off-by: Eddie Huang --- drivers/tty/serial/8250/8250_early.c | 2 +- include/linux/serial_8250.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index 6c0fd8b..771dda2 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -131,7 +131,7 @@ static void __init init_port(struct earlycon_device *device) serial8250_early_out(port, UART_LCR, c & ~UART_LCR_DLAB); } -static int __init early_serial8250_setup(struct earlycon_device *device, +int __init early_serial8250_setup(struct earlycon_device *device, const char *options) { if (!(device->port.membase || device->port.iobase)) diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 78097e7..f0c68d8 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -137,6 +137,8 @@ extern int early_serial_setup(struct uart_port *port); extern unsigned int serial8250_early_in(struct uart_port *port, int offset); extern void serial8250_early_out(struct uart_port *port, int offset, int value); +extern int early_serial8250_setup(struct earlycon_device *device, + const char *options); extern void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old); extern int serial8250_do_startup(struct uart_port *port); -- 1.8.1.1.dirty