diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.c')
-rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 3d471d56bf15..76b8af44f634 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c | |||
@@ -227,6 +227,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, | |||
227 | return -EINVAL; | 227 | return -EINVAL; |
228 | 228 | ||
229 | init_completion(&i2c->cmd_complete); | 229 | init_completion(&i2c->cmd_complete); |
230 | i2c->cmd_err = 0; | ||
230 | 231 | ||
231 | flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0; | 232 | flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0; |
232 | 233 | ||
@@ -252,6 +253,9 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, | |||
252 | 253 | ||
253 | if (i2c->cmd_err == -ENXIO) | 254 | if (i2c->cmd_err == -ENXIO) |
254 | mxs_i2c_reset(i2c); | 255 | mxs_i2c_reset(i2c); |
256 | else | ||
257 | writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, | ||
258 | i2c->regs + MXS_I2C_QUEUECTRL_CLR); | ||
255 | 259 | ||
256 | dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err); | 260 | dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err); |
257 | 261 | ||
@@ -299,8 +303,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) | |||
299 | MXS_I2C_CTRL1_SLAVE_STOP_IRQ | MXS_I2C_CTRL1_SLAVE_IRQ)) | 303 | MXS_I2C_CTRL1_SLAVE_STOP_IRQ | MXS_I2C_CTRL1_SLAVE_IRQ)) |
300 | /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */ | 304 | /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */ |
301 | i2c->cmd_err = -EIO; | 305 | i2c->cmd_err = -EIO; |
302 | else | ||
303 | i2c->cmd_err = 0; | ||
304 | 306 | ||
305 | is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) & | 307 | is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) & |
306 | MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0; | 308 | MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0; |
@@ -384,8 +386,6 @@ static int __devexit mxs_i2c_remove(struct platform_device *pdev) | |||
384 | if (ret) | 386 | if (ret) |
385 | return -EBUSY; | 387 | return -EBUSY; |
386 | 388 | ||
387 | writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, | ||
388 | i2c->regs + MXS_I2C_QUEUECTRL_CLR); | ||
389 | writel(MXS_I2C_CTRL0_SFTRST, i2c->regs + MXS_I2C_CTRL0_SET); | 389 | writel(MXS_I2C_CTRL0_SFTRST, i2c->regs + MXS_I2C_CTRL0_SET); |
390 | 390 | ||
391 | platform_set_drvdata(pdev, NULL); | 391 | platform_set_drvdata(pdev, NULL); |