drm/radeon: Remove a bunch of useless _iomem casts
Just defining rdev->rmmio properly in the first place should do
the trick. In some cases, the cast were also complete dups as
the original variable was already of the right type.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ec534f5..ef37a9b 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1177,7 +1177,7 @@
/* Register mmio */
resource_size_t rmmio_base;
resource_size_t rmmio_size;
- void *rmmio;
+ void __iomem *rmmio;
radeon_rreg_t mc_rreg;
radeon_wreg_t mc_wreg;
radeon_rreg_t pll_rreg;
@@ -1254,20 +1254,20 @@
static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
{
if (reg < rdev->rmmio_size)
- return readl(((void __iomem *)rdev->rmmio) + reg);
+ return readl((rdev->rmmio) + reg);
else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+ writel(reg, (rdev->rmmio) + RADEON_MM_INDEX);
+ return readl((rdev->rmmio) + RADEON_MM_DATA);
}
}
static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
if (reg < rdev->rmmio_size)
- writel(v, ((void __iomem *)rdev->rmmio) + reg);
+ writel(v, (rdev->rmmio) + reg);
else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+ writel(reg, (rdev->rmmio) + RADEON_MM_INDEX);
+ writel(v, (rdev->rmmio) + RADEON_MM_DATA);
}
}
@@ -1299,10 +1299,10 @@
/*
* Registers read & write functions.
*/
-#define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg))
-#define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg))
-#define RREG16(reg) readw(((void __iomem *)rdev->rmmio) + (reg))
-#define WREG16(reg, v) writew(v, ((void __iomem *)rdev->rmmio) + (reg))
+#define RREG8(reg) readb((rdev->rmmio) + (reg))
+#define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
+#define RREG16(reg) readw((rdev->rmmio) + (reg))
+#define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
#define RREG32(reg) r100_mm_rreg(rdev, (reg))
#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg)))
#define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v))