From: manjugk manjugk <manjugk@ti.com>
Date: Tue, 11 May 2010 18:35:23 +0000 (-0700)
Subject: OMAP3: I2C: Clean up Errata 1p153 handling
X-Git-Tag: v2.6.35-rc1~479^2~9
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=8a9d97d3a126fd33894e137f84ab47ec406df24f

OMAP3: I2C: Clean up Errata 1p153 handling

Clean up existing Errata 1p153 handling to use generic
errata handling mechanism through dev flag.

Signed-off-by: Manjunatha GK <manjugk@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index fdba131..7674efb 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -168,6 +168,7 @@ enum {
 
 /* Errata definitions */
 #define I2C_OMAP_ERRATA_I207		(1 << 0)
+#define I2C_OMAP3_1P153			(1 << 1)
 
 struct omap_i2c_dev {
 	struct device		*dev;
@@ -954,7 +955,7 @@ complete:
 					break;
 				}
 
-				if ((dev->rev <= OMAP_I2C_REV_ON_3430) &&
+				if ((dev->errata & I2C_OMAP3_1P153) &&
 				    errata_omap3_1p153(dev, &stat, &err))
 					goto complete;
 
@@ -1057,6 +1058,9 @@ omap_i2c_probe(struct platform_device *pdev)
 
 	dev->rev = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff;
 
+	if (dev->rev <= OMAP_I2C_REV_ON_3430)
+		dev->errata |= I2C_OMAP3_1P153;
+
 	if (!(cpu_class_is_omap1() || cpu_is_omap2420())) {
 		u16 s;