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drm/radeon: Remove a bunch of useless _iomem casts

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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>
This commit is contained in:
Benjamin Herrenschmidt 2011-07-13 06:28:12 +00:00 committed by Dave Airlie
parent 62cb70118c
commit a0533fbf87
2 changed files with 12 additions and 12 deletions
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22
drivers/gpu/drm/radeon/radeon.h
View file

@ -1177,7 +1177,7 @@ struct radeon_device {
/* 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 @@ int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
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 @@ static inline void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
/*
* 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))

2
drivers/gpu/drm/radeon/rs600.c
View file

@ -530,7 +530,7 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
addr = addr & 0xFFFFFFFFFFFFF000ULL;
addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
writeq(addr, ((void __iomem *)ptr) + (i * 8));
writeq(addr, ptr + (i * 8));
return 0;
}