Re: [PATCH] drm: ast: fix double __iomem sparse warning

From: Thomas Zimmermann
Date: Wed Aug 19 2020 - 03:17:44 EST


Hi

Am 18.08.20 um 22:28 schrieb Randy Dunlap:
> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> sparse complains about having 2 "__iomem" attributes on the same line
> where only one is needed since the first one applies to everything
> up to the ending ';'.
> However, to make it clear(er) that both of these pointers are
> "__iomem", use separate lines for them.
>
> ../drivers/gpu/drm/ast/ast_cursor.c:256:26: CK: warning: duplicate [noderef]
> ../drivers/gpu/drm/ast/ast_cursor.c:256:26: CK: error: multiple address space given: __iomem & __iomem
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Dave Airlie <airlied@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/ast/ast_cursor.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Thanks, added to drm-misc-next

Best regards
Thomas

>
> --- lnx-59-rc1.orig/drivers/gpu/drm/ast/ast_cursor.c
> +++ lnx-59-rc1/drivers/gpu/drm/ast/ast_cursor.c
> @@ -253,7 +253,8 @@ void ast_cursor_show(struct ast_private
> unsigned int offset_x, unsigned int offset_y)
> {
> u8 x_offset, y_offset;
> - u8 __iomem *dst, __iomem *sig;
> + u8 __iomem *dst;
> + u8 __iomem *sig;
> u8 jreg;
>
> dst = ast->cursor.vaddr[ast->cursor.next_index];
>
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>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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