diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-26 10:29:44 -0400 |
|---|---|---|
| committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-26 10:29:44 -0400 |
| commit | 45849282bfd7543253761cbf7db96151b05e5ed1 (patch) | |
| tree | 1e02a8874f487041795f27427d2ee22e8c236c8c /drivers/serial/amba-pl010.c | |
| parent | b453257f057b834fdf9f4a6ad6133598b79bd982 (diff) | |
[PATCH] Serial: Ensure error paths are marked with unlikely()
Ensure ARM serial driver error paths are marked with the
unlikely() compiler hint.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/amba-pl010.c')
| -rw-r--r-- | drivers/serial/amba-pl010.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 484f6fb900b5..f2a5e2933c47 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c | |||
| @@ -172,7 +172,7 @@ pl010_rx_chars(struct uart_port *port) | |||
| 172 | * out of the main execution path | 172 | * out of the main execution path |
| 173 | */ | 173 | */ |
| 174 | rsr = UART_GET_RSR(port) | UART_DUMMY_RSR_RX; | 174 | rsr = UART_GET_RSR(port) | UART_DUMMY_RSR_RX; |
| 175 | if (rsr & UART01x_RSR_ANY) { | 175 | if (unlikely(rsr & UART01x_RSR_ANY)) { |
| 176 | if (rsr & UART01x_RSR_BE) { | 176 | if (rsr & UART01x_RSR_BE) { |
| 177 | rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); | 177 | rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); |
| 178 | port->icount.brk++; | 178 | port->icount.brk++; |