Re: [PATCH 1/2] staging: vt6655: Use loop in vt6655_mac_write_bssid_addr

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On Wed, Jul 06, 2022 at 09:19:01PM +0200, Philipp Hortmann wrote:
> Use loop in vt6655_mac_write_bssid_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++){
> 	iowrite8(mac_addr[i], iobase + MAC_REG_BSSID0 + i);
> 	printk("i = %i\n", i);
> }
> 
> Log:
> [ 2592.189081] i = 0
> [ 2592.189083] i = 1
> [ 2592.189083] i = 2
> [ 2592.189084] i = 3
> [ 2592.189084] i = 4
> [ 2592.189085] 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 298963cbca1d..099f0b95417a 100644
> --- a/drivers/staging/vt6655/device_main.c
> +++ b/drivers/staging/vt6655/device_main.c
> @@ -192,12 +192,8 @@ device_set_options(struct vnt_private *priv)
>  static void vt6655_mac_write_bssid_addr(void __iomem *iobase, const u8 *mac_addr)
>  {
>  	iowrite8(1, iobase + MAC_REG_PAGE1SEL);
> -	iowrite8(mac_addr[0], iobase + MAC_REG_BSSID0);
> -	iowrite8(mac_addr[1], iobase + MAC_REG_BSSID0 + 1);
> -	iowrite8(mac_addr[2], iobase + MAC_REG_BSSID0 + 2);
> -	iowrite8(mac_addr[3], iobase + MAC_REG_BSSID0 + 3);
> -	iowrite8(mac_addr[4], iobase + MAC_REG_BSSID0 + 4);
> -	iowrite8(mac_addr[5], iobase + MAC_REG_BSSID0 + 5);
> +	for (int i = 0; i < 6; i++)

Taking advantage of the new compiler level I see, nice :)





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