Re: [PATCH] staging: vt6656: Use BIT() macro instead of hex value
From: Oscar Carter
Date: Thu Mar 26 2020 - 12:44:06 EST
On Mon, Mar 23, 2020 at 10:35:18AM +0300, Dan Carpenter wrote:
> On Fri, Mar 20, 2020 at 06:10:56PM +0100, Oscar Carter wrote:
> > -#define RSR_ADDRBROAD 0x80
> > -#define RSR_ADDRMULTI 0x40
> > +#define RSR_ADDRBROAD BIT(7)
> > +#define RSR_ADDRMULTI BIT(6)
> > #define RSR_ADDRUNI 0x00
> > -#define RSR_IVLDTYP 0x20 /* invalid packet type */
> > -#define RSR_IVLDLEN 0x10 /* invalid len (> 2312 byte) */
> > -#define RSR_BSSIDOK 0x08
> > -#define RSR_CRCOK 0x04
> > -#define RSR_BCNSSIDOK 0x02
> > -#define RSR_ADDROK 0x01
> > +#define RSR_IVLDTYP BIT(5) /* invalid packet type */
> > +#define RSR_IVLDLEN BIT(4) /* invalid len (> 2312 byte) */
> > +#define RSR_BSSIDOK BIT(3)
> > +#define RSR_CRCOK BIT(2)
> > +#define RSR_BCNSSIDOK BIT(1)
> > +#define RSR_ADDROK BIT(0)
>
> I like these ones because I do think the new version is more clear
> now.
>
> > /* Bits in the EnhanceCFG_0 register */
> > #define EnCFG_BBType_a 0x00
> > -#define EnCFG_BBType_b 0x01
> > -#define EnCFG_BBType_g 0x02
> > -#define EnCFG_BBType_MASK 0x03
> > -#define EnCFG_ProtectMd 0x20
> > +#define EnCFG_BBType_b BIT(0)
> > +#define EnCFG_BBType_g BIT(1)
> > +#define EnCFG_BBType_MASK (BIT(0) | BIT(1))
> > +#define EnCFG_ProtectMd BIT(5)
>
> Probably EnCFG_BBType_MASK should be defined using the other defines.
>
> #define EnCFG_BBType_MASK (EnCFG_BBType_b | EnCFG_BBType_g)
>
> Otherwise it looks good. Can you change that one thing and then add
> my Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
Ok, i will make this change and i will send and incremental patch with the
"Fixes:" tag due to the this patch has already been added to the staging-next
branch of the greg staging tree.
> regards,
> dan carpenter
>
thanks,
oscar carter