[PATCH] net: ethernet: ti: cpsw: make array stpa static const, makes object smaller

From: Colin King
Date: Thu Aug 19 2021 - 08:04:49 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Don't populate the array stpa on the stack but instead it
static const. Makes the object code smaller by 81 bytes:

Before:
text data bss dec hex filename
54993 17248 0 72241 11a31 ./drivers/net/ethernet/ti/cpsw_new.o

After:
text data bss dec hex filename
54784 17376 0 72160 119e0 ./drivers/net/ethernet/ti/cpsw_new.o

(gcc version 10.3.0)

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/cpsw_new.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index 85d05b9be2b8..534d39f729e2 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -502,7 +502,7 @@ static void cpsw_restore(struct cpsw_priv *priv)

static void cpsw_init_stp_ale_entry(struct cpsw_common *cpsw)
{
- char stpa[] = {0x01, 0x80, 0xc2, 0x0, 0x0, 0x0};
+ static const char stpa[] = {0x01, 0x80, 0xc2, 0x0, 0x0, 0x0};

cpsw_ale_add_mcast(cpsw->ale, stpa,
ALE_PORT_HOST, ALE_SUPER, 0,
--
2.32.0