diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-at91.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-at91.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index fabbb9e49161..38dd61d621df 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -274,7 +274,7 @@ static void at91_twi_write_next_byte(struct at91_twi_dev *dev) if (!dev->use_alt_cmd) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); - dev_dbg(dev->dev, "wrote 0x%x, to go %d\n", *dev->buf, dev->buf_len); + dev_dbg(dev->dev, "wrote 0x%x, to go %zu\n", *dev->buf, dev->buf_len); ++dev->buf; } @@ -402,7 +402,7 @@ static void at91_twi_read_next_byte(struct at91_twi_dev *dev) dev->msg->flags &= ~I2C_M_RECV_LEN; dev->buf_len += *dev->buf; dev->msg->len = dev->buf_len + 1; - dev_dbg(dev->dev, "received block length %d\n", + dev_dbg(dev->dev, "received block length %zu\n", dev->buf_len); } else { /* abort and send the stop by reading one more byte */ @@ -415,7 +415,7 @@ static void at91_twi_read_next_byte(struct at91_twi_dev *dev) if (!dev->use_alt_cmd && dev->buf_len == 1) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); - dev_dbg(dev->dev, "read 0x%x, to go %d\n", *dev->buf, dev->buf_len); + dev_dbg(dev->dev, "read 0x%x, to go %zu\n", *dev->buf, dev->buf_len); ++dev->buf; } @@ -622,7 +622,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) * writing the corresponding bit into the Control Register. */ - dev_dbg(dev->dev, "transfer: %s %d bytes.\n", + dev_dbg(dev->dev, "transfer: %s %zu bytes.\n", (dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len); reinit_completion(&dev->cmd_complete); @@ -1083,12 +1083,16 @@ static int at91_twi_probe(struct platform_device *pdev) dev_err(dev->dev, "no clock defined\n"); return -ENODEV; } - clk_prepare_enable(dev->clk); + rc = clk_prepare_enable(dev->clk); + if (rc) + return rc; if (dev->dev->of_node) { rc = at91_twi_configure_dma(dev, phy_addr); - if (rc == -EPROBE_DEFER) + if (rc == -EPROBE_DEFER) { + clk_disable_unprepare(dev->clk); return rc; + } } if (!of_property_read_u32(pdev->dev.of_node, "atmel,fifo-size", |