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omap: i2c: don't check bus state IP rev3.3 and earlier 

Commit 0f5768bf89 ("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).

Reported-by: Kevin Hilman <khilman@kernel.org>
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Fixes: 0f5768bf89 ("i2c: omap: implement workaround for handling invalid BB-bit values")
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Alexander Kochetkov 2014-11-25 02:20:55 +04:00 committed by Wolfram Sang
parent a7750c3ef0
commit 23173eae7b
1 changed files with 5 additions and 3 deletions
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8
drivers/i2c/busses/i2c-omap.c
View File

@ -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;
}