linux-kernel - [PATCH v2] serial: xuartps: add _

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Message-Id: <1430992540-14109-1-git-send-email-yamada.masahiro@socionext.com>
Date:	Thu,  7 May 2015 18:55:40 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-serial@...r.kernel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	Michal Simek <michal.simek@...inx.com>,
	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2] serial: xuartps: add __init to earlycon write method

Early console functions are only used during the early boot stage.
This change just saves a small amount of memory footprint.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

Changes in v2:
  -  Add a little explanation in the git log.

 drivers/tty/serial/xilinx_uartps.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 3ddbac7..009e0db 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1075,7 +1075,8 @@ static void cdns_uart_console_putchar(struct uart_port *port, int ch)
 	writel(ch, port->membase + CDNS_UART_FIFO_OFFSET);
 }
 
-static void cdns_early_write(struct console *con, const char *s, unsigned n)
+static void __init cdns_early_write(struct console *con, const char *s,
+				    unsigned n)
 {
 	struct earlycon_device *dev = con->data;
 
-- 
1.9.1

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