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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-01 13:55:54 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-01 13:55:54 -0400
commitb10c4d40b3e413a908072acc53dea13e90c39aff (patch)
tree3e487da92de125a35b267d8f7ac98878b9fd1fa6
parent303a407002db563ae76d0f8a8ef0d8fe7954fcd4 (diff)
parent7031307aefb6048377385dbb0af2dd43bb0190bb (diff)
Merge branch 'for-linus/i2c/2636-rc5' of git://git.fluff.org/bjdooks/linux
* 'for-linus/i2c/2636-rc5' of git://git.fluff.org/bjdooks/linux: i2c-s3c2410: fix calculation of SDA line delay i2c-davinci: Fix race when setting up for TX i2c-octeon: Return -ETIMEDOUT in octeon_i2c_wait() on timeout
-rw-r--r--drivers/i2c/busses/i2c-davinci.c6
-rw-r--r--drivers/i2c/busses/i2c-octeon.c2
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c4
3 files changed, 6 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)
357 357
358 dev->terminate = 0; 358 dev->terminate = 0;
359 359
360 /* write the data into mode register */
361 davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
362
363 /* 360 /*
364 * First byte should be set here, not after interrupt, 361 * First byte should be set here, not after interrupt,
365 * because transmit-data-ready interrupt can come before 362 * 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)
371 dev->buf_len--; 368 dev->buf_len--;
372 } 369 }
373 370
371 /* write the data into mode register; start transmitting */
372 davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
373
374 r = wait_for_completion_interruptible_timeout(&dev->cmd_complete, 374 r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
375 dev->adapter.timeout); 375 dev->adapter.timeout);
376 if (r == 0) { 376 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)
218 return result; 218 return result;
219 } else if (result == 0) { 219 } else if (result == 0) {
220 dev_dbg(i2c->dev, "%s: timeout\n", __func__); 220 dev_dbg(i2c->dev, "%s: timeout\n", __func__);
221 result = -ETIMEDOUT; 221 return -ETIMEDOUT;
222 } 222 }
223 223
224 return 0; 224 return 0;
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)
662 unsigned long sda_delay; 662 unsigned long sda_delay;
663 663
664 if (pdata->sda_delay) { 664 if (pdata->sda_delay) {
665 sda_delay = (freq / 1000) * pdata->sda_delay; 665 sda_delay = clkin * pdata->sda_delay;
666 sda_delay /= 1000000; 666 sda_delay = DIV_ROUND_UP(sda_delay, 1000000);
667 sda_delay = DIV_ROUND_UP(sda_delay, 5); 667 sda_delay = DIV_ROUND_UP(sda_delay, 5);
668 if (sda_delay > 3) 668 if (sda_delay > 3)
669 sda_delay = 3; 669 sda_delay = 3;