mr/openwrt
2
0
Fork 1
Code Issues 7 Pull Requests Releases Wiki Activity

rtl8366_smi: separate gpio initialization

Browse Source 
SVN-Revision: 19276
This commit is contained in:
Gabor Juhos 2010-01-22 17:37:50 +00:00
parent a1247d2f83
commit de751af190
1 changed files with 46 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
View File

@ -1801,6 +1801,46 @@ static int rtl8366_smi_setup(struct rtl8366_smi *smi)
return 0;
}
static int __init rtl8366_smi_init(struct rtl8366_smi *smi)
{
int err;
if (!smi->parent)
return -EINVAL;
err = gpio_request(smi->gpio_sda, dev_name(smi->parent));
if (err) {
dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
smi->gpio_sda, err);
goto err_out;
}
err = gpio_request(smi->gpio_sck, dev_name(smi->parent));
if (err) {
dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
smi->gpio_sck, err);
goto err_free_sda;
}
spin_lock_init(&smi->lock);
dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n",
smi->gpio_sda, smi->gpio_sck);
return 0;
err_free_sda:
gpio_free(smi->gpio_sda);
err_out:
return err;
}
static void rtl8366_smi_cleanup(struct rtl8366_smi *smi)
{
gpio_free(smi->gpio_sck);
gpio_free(smi->gpio_sda);
}
static int __init rtl8366_smi_probe(struct platform_device *pdev)
{
static int rtl8366_smi_version_printed;
@ -1826,31 +1866,16 @@ static int __init rtl8366_smi_probe(struct platform_device *pdev)
goto err_out;
}
smi->parent = &pdev->dev;
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
err = gpio_request(smi->gpio_sda, dev_name(&pdev->dev));
if (err) {
dev_err(&pdev->dev, "gpio_request failed for %u, err=%d\n",
smi->gpio_sda, err);
err = rtl8366_smi_init(smi);
if (err)
goto err_free_smi;
}
err = gpio_request(smi->gpio_sck, dev_name(&pdev->dev));
if (err) {
dev_err(&pdev->dev, "gpio_request failed for %u, err=%d\n",
smi->gpio_sck, err);
goto err_free_sda;
}
smi->parent = &pdev->dev;
spin_lock_init(&smi->lock);
platform_set_drvdata(pdev, smi);
dev_info(&pdev->dev, "using GPIO pins %u (SDA) and %u (SCK)\n",
smi->gpio_sda, smi->gpio_sck);
err = rtl8366_smi_setup(smi);
if (err)
goto err_clear_drvdata;
@ -1869,9 +1894,6 @@ static int __init rtl8366_smi_probe(struct platform_device *pdev)
rtl8366_smi_mii_cleanup(smi);
err_clear_drvdata:
platform_set_drvdata(pdev, NULL);
gpio_free(pdata->gpio_sck);
err_free_sda:
gpio_free(pdata->gpio_sda);
err_free_smi:
kfree(smi);
err_out:
@ -1913,8 +1935,7 @@ static int __devexit rtl8366_smi_remove(struct platform_device *pdev)
rtl8366_debugfs_remove(smi);
rtl8366_smi_mii_cleanup(smi);
platform_set_drvdata(pdev, NULL);
gpio_free(smi->gpio_sck);
gpio_free(smi->gpio_sda);
rtl8366_smi_cleanup(smi);
kfree(smi);
}
@ -1930,7 +1951,7 @@ static struct platform_driver rtl8366_smi_driver = {
.remove = __devexit_p(rtl8366_smi_remove),
};
static int __init rtl8366_smi_init(void)
static int __init rtl8366_smi_module_init(void)
{
int ret;
ret = platform_driver_register(&rtl8366_smi_driver);
@ -1947,7 +1968,7 @@ static int __init rtl8366_smi_init(void)
platform_driver_unregister(&rtl8366_smi_driver);
return ret;
}
module_init(rtl8366_smi_init);
module_init(rtl8366_smi_module_init);
static void __exit rtl8366_smi_exit(void)
{