diff options
Diffstat (limited to 'drivers/i2c/busses')
| -rw-r--r-- | drivers/i2c/busses/i2c-davinci.c | 6 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-octeon.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 4 |
4 files changed, 8 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index 2222c87876b9..b8feac5f2ef4 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -357,9 +357,6 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop) dev->terminate = 0; - /* write the data into mode register */ - davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag); - /* * First byte should be set here, not after interrupt, * because transmit-data-ready interrupt can come before @@ -371,6 +368,9 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop) dev->buf_len--; } + /* write the data into mode register; start transmitting */ + davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag); + r = wait_for_completion_interruptible_timeout(&dev->cmd_complete, dev->adapter.timeout); if (r == 0) { diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index 0e9f85d0a835..56dbe54e8811 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c @@ -218,7 +218,7 @@ static int octeon_i2c_wait(struct octeon_i2c *i2c) return result; } else if (result == 0) { dev_dbg(i2c->dev, "%s: timeout\n", __func__); - result = -ETIMEDOUT; + return -ETIMEDOUT; } return 0; diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 7674efb55378..b33c78586bfc 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -680,6 +680,8 @@ 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; diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 72902e0bbfa7..bf831bf81587 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -662,8 +662,8 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) unsigned long sda_delay; if (pdata->sda_delay) { - sda_delay = (freq / 1000) * pdata->sda_delay; - sda_delay /= 1000000; + sda_delay = clkin * pdata->sda_delay; + sda_delay = DIV_ROUND_UP(sda_delay, 1000000); sda_delay = DIV_ROUND_UP(sda_delay, 5); if (sda_delay > 3) sda_delay = 3; |