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serial/omap: mark wait_for_xmitr as __maybe_unused

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The wait_for_xmitr() function is only used if CONFIG_CONSOLE_POLL
or CONFIG_SERIAL_OMAP_CONSOLE are set, but when both are disabled,
the compiler warns about it being unused:

drivers/tty/serial/omap-serial.c:1168:13: warning: 'wait_for_xmitr' defined but not used [-Wunused-func

We could add more #ifdefs to work around it, but adding __maybe_unused
seems nicer.

Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: 2172076d23 ("serial/omap-serial: Deinline wait_for_xmitr, save 165 bytes")
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Arnd Bergmann 2016-01-13 21:59:23 +01:00 • committed by Greg Kroah-Hartman
commit b4a512b8bf
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/omap-serial.c
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@ -1165,7 +1165,7 @@ serial_omap_type(struct uart_port *port)
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
static void wait_for_xmitr(struct uart_omap_port *up)
static void __maybe_unused wait_for_xmitr(struct uart_omap_port *up)
{
unsigned int status, tmout = 10000;