[PATCH 2/2] staging: vt6655: Use loop in vt6655_mac_read_ether_addr

From: Philipp Hortmann
Date: Wed Jul 06 2022 - 15:19:19 EST


Use loop in vt6655_mac_read_ether_addr to avoid multiple
similar statements.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
---
Code for testing:
for (int i = 0; i < 6; i++){
mac_addr[i] = ioread8(iobase + MAC_REG_PAR0 + i);
printk("i = %i\n", i);
}
Log:
[ 3608.011168] i = 0
[ 3608.011170] i = 1
[ 3608.011172] i = 2
[ 3608.011174] i = 3
[ 3608.011176] i = 4
[ 3608.011178] i = 5
---
drivers/staging/vt6655/device_main.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 099f0b95417a..19840dddb4bf 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -200,12 +200,8 @@ static void vt6655_mac_write_bssid_addr(void __iomem *iobase, const u8 *mac_addr
static void vt6655_mac_read_ether_addr(void __iomem *iobase, u8 *mac_addr)
{
iowrite8(1, iobase + MAC_REG_PAGE1SEL);
- mac_addr[0] = ioread8(iobase + MAC_REG_PAR0);
- mac_addr[1] = ioread8(iobase + MAC_REG_PAR0 + 1);
- mac_addr[2] = ioread8(iobase + MAC_REG_PAR0 + 2);
- mac_addr[3] = ioread8(iobase + MAC_REG_PAR0 + 3);
- mac_addr[4] = ioread8(iobase + MAC_REG_PAR0 + 4);
- mac_addr[5] = ioread8(iobase + MAC_REG_PAR0 + 5);
+ for (int i = 0; i < 6; i++)
+ mac_addr[i] = ioread8(iobase + MAC_REG_PAR0 + i);
iowrite8(0, iobase + MAC_REG_PAGE1SEL);
}

--
2.37.0