linux-kernel - [char-misc-next 07/15] mei: use wrietl/readl instead of io wrappers

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Date:	Tue,  4 Dec 2012 16:04:36 +0200
From:	Tomas Winkler <tomas.winkler@...el.com>
To:	gregkh@...uxfoundation.org
Cc:	arnd@...db.de, alan@...ux.intel.com, linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 07/15] mei: use wrietl/readl instead of io wrappers

on intel registers are alwasy memory mapped so drop
the overhead of iowrite32 and ioread32

Signed-off-by: Tomas Winkler <tomas.winkler@...el.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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