linux-i2c.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] OMAP3: I2C: Clean up Errata 1p153 handling
@ 2010-04-28 14:58 Manjunatha GK
  0 siblings, 0 replies; only message in thread
From: Manjunatha GK @ 2010-04-28 14:58 UTC (permalink / raw)
  To: linux-omap-u79uwXL29TY76Z2rM5mHXA
  Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA,
	ben-linux-elnMNo+KYs3YtjvyW6yDsg, Tony Lindgren, Nishanth Menon,
	Alexander Shishkin

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

Signed-off-by: Manjunatha GK <manjugk-l0cyMroinI0@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org
Cc: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Cc: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
Cc: Alexander Shishkin <virtuoso-0lOfPCoBze7YtjvyW6yDsg@public.gmane.org>
---
 PS : This patch has dependency on the patch:
 https://patchwork.kernel.org/patch/95616/

 drivers/i2c/busses/i2c-omap.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 5f5207e..0caa8fe 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;
@@ -946,7 +947,7 @@ complete:
 					break;
 				}
 
-				if ((dev->rev <= OMAP_I2C_REV_ON_3430) &&
+				if ((dev->errata & I2C_OMAP3_1P153) &&
 				    errata_omap3_1p153(dev, &stat, &err))
 					goto complete;
 
@@ -1049,6 +1050,9 @@ 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;
 
-- 
1.6.0.4

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2010-04-28 14:58 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-04-28 14:58 [PATCH] OMAP3: I2C: Clean up Errata 1p153 handling Manjunatha GK

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).