Hi Am 08.01.20 um 21:05 schrieb Krzysztof Kozlowski: > The ioreadX() helpers have inconsistent interface. On some architectures > void *__iomem address argument is a pointer to const, on some not. > > Implementations of ioreadX() do not modify the memory under the address > so they can be converted to a "const" version for const-safety and > consistency among architectures. > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx> > --- > drivers/gpu/drm/mgag200/mgag200_drv.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h > index aa32aad222c2..6512b3af4fb7 100644 > --- a/drivers/gpu/drm/mgag200/mgag200_drv.h > +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h > @@ -34,9 +34,9 @@ > > #define MGAG200FB_CONN_LIMIT 1 > > -#define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg)) > +#define RREG8(reg) ioread8(((const void __iomem *)mdev->rmmio) + (reg)) > #define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg)) > -#define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg)) > +#define RREG32(reg) ioread32(((const void __iomem *)mdev->rmmio) + (reg)) > #define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg)) > > #define ATTR_INDEX 0x1fc0 > -- 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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