Messages in this thread Patch in this message | | | From | Tomas Winkler <> | Subject | [char-misc-next 07/15] mei: use wrietl/readl instead of io wrappers | Date | Tue, 4 Dec 2012 16:04:36 +0200 |
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on intel registers are alwasy memory mapped so drop the overhead of iowrite32 and ioread32
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> --- drivers/misc/mei/mei_dev.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 92a5d9a..37eb041 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -438,7 +438,7 @@ int mei_amthif_irq_read(struct mei_device *dev, s32 *slots); static inline u32 mei_reg_read(const struct mei_device *dev, unsigned long offset) { - return ioread32(dev->mem_addr + offset); + return readl(dev->mem_addr + offset); } /** @@ -451,7 +451,7 @@ static inline u32 mei_reg_read(const struct mei_device *dev, static inline void mei_reg_write(const struct mei_device *dev, unsigned long offset, u32 value) { - iowrite32(value, dev->mem_addr + offset); + writel(value, dev->mem_addr + offset); } /** -- 1.7.4.4
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