diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 1e88e8d66c55..ea6d45d1dcd6 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -1053,16 +1053,13 @@ static int i2c_pxa_probe_dt(struct platform_device *pdev, struct pxa_i2c *i2c, struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(i2c_pxa_dt_ids, &pdev->dev); - int ret; if (!of_id) return 1; - ret = of_alias_get_id(np, "i2c"); - if (ret < 0) { - dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret); - return ret; - } - pdev->id = ret; + + /* For device tree we always use the dynamic or alias-assigned ID */ + i2c->adap.nr = -1; + if (of_get_property(np, "mrvl,i2c-polling", NULL)) i2c->use_pio = 1; if (of_get_property(np, "mrvl,i2c-fast-mode", NULL)) @@ -1100,6 +1097,9 @@ static int i2c_pxa_probe(struct platform_device *dev) goto emalloc; } + /* Default adapter num to device id; i2c_pxa_probe_dt can override. */ + i2c->adap.nr = dev->id; + ret = i2c_pxa_probe_dt(dev, i2c, &i2c_type); if (ret > 0) ret = i2c_pxa_probe_pdata(dev, i2c, &i2c_type); @@ -1124,9 +1124,7 @@ static int i2c_pxa_probe(struct platform_device *dev) spin_lock_init(&i2c->lock); init_waitqueue_head(&i2c->wait); - i2c->adap.nr = dev->id; - snprintf(i2c->adap.name, sizeof(i2c->adap.name), "pxa_i2c-i2c.%u", - i2c->adap.nr); + strlcpy(i2c->adap.name, "pxa_i2c-i2c", sizeof(i2c->adap.name)); i2c->clk = clk_get(&dev->dev, NULL); if (IS_ERR(i2c->clk)) { @@ -1169,7 +1167,7 @@ static int i2c_pxa_probe(struct platform_device *dev) } else { i2c->adap.algo = &i2c_pxa_algorithm; ret = request_irq(irq, i2c_pxa_handler, IRQF_SHARED, - i2c->adap.name, i2c); + dev_name(&dev->dev), i2c); if (ret) goto ereqirq; } |