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tty/serial: mark __init early_smh_setup() static 

We get 1 warning when building kernel with W=1:
drivers/tty/serial/earlycon-arm-semihost.c:56:12: warning: no previous prototype for 'early_smh_setup' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
so this patch marks this function with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baoyou Xie 2016-09-01 19:43:31 +08:00 committed by Greg Kroah-Hartman
parent e06b6b8541
commit 8f975fe49d
1 changed files with 2 additions and 1 deletions
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3
drivers/tty/serial/earlycon-arm-semihost.c
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@ -53,7 +53,8 @@ static void smh_write(struct console *con, const char *s, unsigned n)
uart_console_write(&dev->port, s, n, smh_putc);
}
int __init early_smh_setup(struct earlycon_device *device, const char *opt)
static int
__init early_smh_setup(struct earlycon_device *device, const char *opt)
{
device->con->write = smh_write;
return 0;