linux-kernel - PATCH] use void __iomem * pointers for ioread32()/iowrite32()

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Date:	Wed, 18 Jan 2012 07:05:18 +0100
From:	Németh Márton <nm127@...email.hu>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>
CC:	Linus Walleij <linus.walleij@...ricsson.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: PATCH] use void __iomem * pointers for ioread32()/iowrite32()

From: Márton Németh <nm127@...email.hu>

The address pointer of ioread32()/iowrite32() functions are
of type "void __iomem *". Use matching variable type.

For details on __iomem see [1] and [2].

References:
[1] A new I/O memory access mechanism (Sep 15, 2004)
    http://lwn.net/Articles/102232/

[2] Being more anal about iospace accesses (Sep 15, 2004)
    http://lwn.net/Articles/102240/

Signed-off-by: Márton Németh <nm127@...email.hu>
Cc: Grant Likely <grant.likely@...retlab.ca>
Cc: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/gpio/gpio-pch.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 68fa55e..84b7f28 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -231,7 +231,7 @@ static void pch_gpio_setup(struct pch_gpio *chip)
 static int pch_irq_type(struct irq_data *d, unsigned int type)
 {
 	u32 im;
-	u32 __iomem *im_reg;
+	void __iomem *im_reg;
 	u32 ien;
 	u32 im_pos;
 	int ch;
-- 
1.7.2.5


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