Hi, On Thu, Aug 26, 2010 at 09:36:44AM +0200, Nyman Mathias (Nokia-MS/Helsinki) wrote:
If the i2c bus receives an interrupt with both BB (bus busy) and ARDY (register access ready) statuses set during the tranfer of the last message the bus was put to idle while still busy. This caused bus to timeout. Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxx>
adding linux-i2c and Ben Dooks to Cc list.
--- drivers/i2c/busses/i2c-omap.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 824ac1c..3271ce1 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -602,6 +602,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) if (r == 0) r = num; + + omap_i2c_wait_for_bb(dev); out: omap_i2c_idle(dev); return r; -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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