net/cpsw: optimize the for_each_slave_macro()
text data bss dec hex filename
15530 92 4 15626 3d0a cpsw.o.before
15478 92 4 15574 3cd6 cpsw.o.after
52 bytes smaller, 13 for each invocation.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 93a60e2..1c1e7a8 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -355,12 +355,15 @@
#define napi_to_priv(napi) container_of(napi, struct cpsw_priv, napi)
#define for_each_slave(priv, func, arg...) \
do { \
- int idx; \
+ struct cpsw_slave *slave; \
+ int n; \
if (priv->data.dual_emac) \
(func)((priv)->slaves + priv->emac_port, ##arg);\
else \
- for (idx = 0; idx < (priv)->data.slaves; idx++) \
- (func)((priv)->slaves + idx, ##arg); \
+ for (n = (priv)->data.slaves, \
+ slave = (priv)->slaves; \
+ n; n--) \
+ (func)(slave++, ##arg); \
} while (0)
#define cpsw_get_slave_ndev(priv, __slave_no__) \
(priv->slaves[__slave_no__].ndev)