[PATCH] serial: 8250_mtk: make two read-only arrays static const

From: Colin Ian King
Date: Mon Mar 07 2022 - 18:01:05 EST


Don't populate the read-only arrays fraction_L_mapping and
fraction_M_mapping on the stack but instead make them static
const. Also makes the object code a little smaller.

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
drivers/tty/serial/8250/8250_mtk.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index fb65dc601b23..f4a0caa56f84 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -289,10 +289,10 @@ static void
mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
- unsigned short fraction_L_mapping[] = {
+ static const unsigned short fraction_L_mapping[] = {
0, 1, 0x5, 0x15, 0x55, 0x57, 0x57, 0x77, 0x7F, 0xFF, 0xFF
};
- unsigned short fraction_M_mapping[] = {
+ static const unsigned short fraction_M_mapping[] = {
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 3
};
struct uart_8250_port *up = up_to_u8250p(port);
--
2.35.1