[PATCH] ARM: mach-shmobile: r8a7740: cleanup I2C workaround method

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

Current workaround of I2C on r8a7740 used mdelay(),
but it were overkill.
This patch cleanup workaround delay.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 arch/arm/mach-shmobile/setup-r8a7740.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 14edb5c..34a1548 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -350,19 +350,19 @@ static void r8a7740_i2c_workaround(struct platform_device *pdev)
 	i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10);
 	i2c_read(reg, ICSTART); /* dummy read */
 
-	mdelay(100);
+	udelay(10);
 
 	i2c_write(reg, ICCR, 0x01);
-	i2c_read(reg, ICCR);
 	i2c_write(reg, ICSTART, 0x00);
-	i2c_read(reg, ICSTART);
+
+	udelay(10);
 
 	i2c_write(reg, ICCR, 0x10);
-	mdelay(100);
+	udelay(10);
 	i2c_write(reg, ICCR, 0x00);
-	mdelay(100);
+	udelay(10);
 	i2c_write(reg, ICCR, 0x10);
-	mdelay(100);
+	udelay(10);
 
 	iounmap(reg);
 }
-- 
1.7.5.4

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