diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-at91.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index fabbb9e49161..2525cd9bcbbd 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -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", |