[SERIAL] mark several serial tables const

This patch marks a few serial data structures const, moving them to
.rodata where they won't false-share cachelines with things that get
written to.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 2331296e1e1..c17d680e3f0 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1779,7 +1779,7 @@ struct baud_rates {
         unsigned int cflag;
 };
 
-static struct baud_rates baud_rates[] = {
+static const struct baud_rates baud_rates[] = {
         { 921600, B921600 },
         { 460800, B460800 },
         { 230400, B230400 },