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| author | Alexander Kochetkov <al.kochet@gmail.com> | 2014-11-25 02:20:55 +0400 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-11-25 21:31:31 +0100 |
| commit | 23173eae7b9a5389d3f7031b77cde34f63b814a2 (patch) | |
| tree | b616512c741f98b3476676bbe96aab07b5ef95ce | |
| parent | a7750c3ef0122383901ae48396188aa4b861d32b (diff) | |
| download | linux-stable-23173eae7b9a5389d3f7031b77cde34f63b814a2.tar.gz linux-stable-23173eae7b9a5389d3f7031b77cde34f63b814a2.tar.bz2 linux-stable-23173eae7b9a5389d3f7031b77cde34f63b814a2.zip | |
omap: i2c: don't check bus state IP rev3.3 and earlier
Commit 0f5768bf894f ("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: 0f5768bf894f ("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>
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 9f5b57a50c54..94c2259e9af2 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; } |