diff options
Diffstat (limited to 'drivers/mfd/ucb1x00-core.c')
| -rw-r--r-- | drivers/mfd/ucb1x00-core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index 9f8ea52f0ca..ed2a4b2e518 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -554,16 +554,17 @@ static int ucb1x00_probe(struct mcp *mcp) mcp_enable(mcp); id = mcp_reg_read(mcp, UCB_ID); + mcp_disable(mcp); if (id != UCB_ID_1200 && id != UCB_ID_1300 && id != UCB_ID_TC35143) { printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id); - goto err_disable; + goto out; } ucb = kzalloc(sizeof(struct ucb1x00), GFP_KERNEL); ret = -ENOMEM; if (!ucb) - goto err_disable; + goto out; device_initialize(&ucb->dev); ucb->dev.class = &ucb1x00_class; @@ -581,7 +582,9 @@ static int ucb1x00_probe(struct mcp *mcp) if (ret) goto err_dev_add; + ucb1x00_enable(ucb); ucb->irq = ucb1x00_detect_irq(ucb); + ucb1x00_disable(ucb); if (ucb->irq == NO_IRQ) { dev_err(&ucb->dev, "IRQ probe failed\n"); ret = -ENODEV; @@ -633,8 +636,6 @@ static int ucb1x00_probe(struct mcp *mcp) device_del(&ucb->dev); err_dev_add: put_device(&ucb->dev); - err_disable: - mcp_disable(mcp); out: if (pdata && pdata->reset) pdata->reset(UCB_RST_PROBE_FAIL); |