Re: [PATCH net-next v4 2/8] i2c: designware: Add driver support for Wangxun 10Gb NIC

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On Tue, Apr 25, 2023 at 04:08:59PM +0200, Andi Shyti wrote:
> > >  #define MODEL_MSCC_OCELOT			BIT(8)
> > >  #define MODEL_BAIKAL_BT1			BIT(9)
> > >  #define MODEL_AMD_NAVI_GPU			BIT(10)
> > > +#define MODEL_WANGXUN_SP			BIT(11)
> > >  #define MODEL_MASK				GENMASK(11, 8)
> > 
> > Yeah, maybe next one will need to transform this from bitfield to plain number.
> 
> You mean this?

No, only MODEL_XXX bits.

> -#define ACCESS_INTR_MASK                       BIT(0)
> -#define ACCESS_NO_IRQ_SUSPEND                  BIT(1)
> -#define ARBITRATION_SEMAPHORE                  BIT(2)
> -
> -#define MODEL_MSCC_OCELOT                      BIT(8)
> -#define MODEL_BAIKAL_BT1                       BIT(9)
> -#define MODEL_AMD_NAVI_GPU                     BIT(10)
> -#define MODEL_MASK                             GENMASK(11, 8)
> +#define ACCESS_INTR_MASK                       0x00
> +#define ACCESS_NO_IRQ_SUSPEND                  0x01
> +#define ARBITRATION_SEMAPHORE                  0x02
> +
> +#define MODEL_MSCC_OCELOT                      0x08
> +#define MODEL_BAIKAL_BT1                       0x09
> +#define MODEL_AMD_NAVI_GPU                     0x0a
> +#define MODEL_MASK                             0x78
> 
> I actually like more bitfield to plain numbers.

Too limited. For model we get 16 out of 4 bits, which is much better and as you
see we have a trend.

-- 
With Best Regards,
Andy Shevchenko





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