RE: [PATCHv2] mmc: block: Add single read for 4k sector cards

From: David Laight
Date: Wed Jun 29 2022 - 04:41:45 EST


...
> >> brq->data.blocks = queue_physical_block_size(req->q) >> SECTOR_SHIFT;
> >
> > Do we want to switch to SECTOR_SHIFT instead of 9? So far SECTOR_SHIFT is not used at all in mmc
> core.
>
> I guess '9' is more consistent

You can just multiply/divide by 512u (probably SECTOR_SIZE).
(In some senses 512u is actually better!)
More obvious still and the compiler will generate a shift anyway.

David

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