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[PATCH] Serial: Ensure error paths are marked with unlikely()

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Ensure ARM serial driver error paths are marked with the
unlikely() compiler hint.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>
This commit is contained in:
Russell King
2005-04-26 15:29:44 +01:00
parent b453257f05
commit 45849282bf
6 changed files with 6 additions and 6 deletions
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drivers/serial/amba-pl011.c
+1 -1
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@@ -137,7 +137,7 @@ pl011_rx_chars(struct uart_amba_port *uap)
* out of the main execution path
*/
rsr = readw(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
if (rsr & UART01x_RSR_ANY) {
if (unlikely(rsr & UART01x_RSR_ANY)) {
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
uap->port.icount.brk++;