[PATCH net-next 24/30] net: dsa: mt7530: rename MT7530_MFC to MT753X_MFC

Arınç ÜNAL arinc.unal at arinc9.com
Sun Jun 4 06:25:21 PDT 2023


On 4.06.2023 16:17, Vladimir Oltean wrote:
> On Sun, Jun 04, 2023 at 11:06:32AM +0300, Arınç ÜNAL wrote:
>>> Even better are:
>>> #define  MT7531_MIRROR_PORT_GET(x)	FIELD_GET(MT7531_MIRROR_MASK, x)
>>>
>>>>> +#define  MT7531_MIRROR_PORT_SET(x)	(((x) & 0x7) << 16)
>>>>
>>>> and here: (((x) << 16) & GENMASK(18, 16))
>>>
>>> #define  MT7531_MIRROR_PORT_SET(x)	FIELD_PREP(MT7531_MIRROR_MASK, x)
>>>
>>> No need to add parens around "x" in either of these uses as we're not
>>> doing anything with x other than passing it into another macro.
>>
>> Thanks. I suppose the GENMASK, FIELD_PREP, and FIELD_GET macros can be
>> widely used on mt7530.h? Like GENMASK(2, 0) on MT7530_MIRROR_MASK and
>> FIELD_PREP(MT7530_MIRROR_MASK, x) on MT7530_MIRROR_PORT(x)?
> 
> I suppose the answer would be "yes, they can be used", but then, I'm not
> really sure what answer you're expecting.

I was thinking of replacing all manual definitions with these macros on 
mt7530.h. For now, I'll just make sure my current changes use them.

Arınç



More information about the linux-arm-kernel mailing list