[PATCH v2] omap: i2c: don't check bus state IP rev3.3 and earlier

From: Alexander Kochetkov
Date: Mon Nov 24 2014 - 17:21:11 EST


Commit 903c3859f77f9b0aace551da03267ef7a211dbc4 ("i2c: omap: implement
workaround for handling invalid BB-bit values") introduce the error result
in boot test fault on OMAP3530 boards

The patch fix the error (disable i2c bus test for OMAP3530).

Signed-off-by: Alexander Kochetkov <al.kochet@xxxxxxxxx>
Fixes: 903c3859f77f9b0aace551da03267ef7a211dbc4
Reported-by: Kevin Hilman <khilman@xxxxxxxxxx>
Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>

---
drivers/i2c/busses/i2c-omap.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 5d92d0e..4563200 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -344,8 +344,10 @@ static int omap_i2c_reset(struct omap_i2c_dev *dev)
/* SYSC register is cleared by the reset; rewrite it */
omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, sysc);

- /* Schedule I2C-bus monitoring on the next transfer */
- dev->bb_valid = 0;
+ if (dev->rev > OMAP_I2C_REV_ON_3430_3530) {
+ /* Schedule I2C-bus monitoring on the next transfer */
+ dev->bb_valid = 0;
+ }
}

return 0;
@@ -460,7 +462,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
dev->scllstate = scll;
dev->sclhstate = sclh;

- if (dev->rev < OMAP_I2C_OMAP1_REV_2) {
+ if (dev->rev <= OMAP_I2C_REV_ON_3430_3530) {
/* Not implemented */
dev->bb_valid = 1;
}
--
1.7.9.5

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