Re: [PATCH v2] pata_falcon: Avoid type warnings from sparse

From: Damien Le Moal
Date: Mon Nov 29 2021 - 06:41:46 EST


On 2021/11/26 7:34, Finn Thain wrote:
> The zero day bot reported some sparse complaints in pata_falcon.c. E.g.
>
> drivers/ata/pata_falcon.c:58:41: warning: cast removes address space '__iomem' of expression
> drivers/ata/pata_falcon.c:58:41: warning: incorrect type in argument 1 (different address spaces)
> drivers/ata/pata_falcon.c:58:41: expected unsigned short volatile [noderef] [usertype] __iomem *port
> drivers/ata/pata_falcon.c:58:41: got unsigned short [usertype] *
>
> The same thing shows up in 8 places, all told. Avoid this by removing
> unnecessary type casts.
>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Michael Schmitz <schmitzmic@xxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Suggested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxx>

Applied to for-5.16-fixes. Thanks.


--
Damien Le Moal
Western Digital Research