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authorGabor Juhos <juhosg@openwrt.org>2010-01-22 17:37:50 +0000
committerGabor Juhos <juhosg@openwrt.org>2010-01-22 17:37:50 +0000
commitde751af190830e96a391267fafce62785216915b (patch)
tree718bfed9300e821dc2105d7300ab715e44c64083 /target/linux
parenta1247d2f837d0dda94a4503e8476c2ad19b6b24f (diff)
downloadmtk-20170518-de751af190830e96a391267fafce62785216915b.zip
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rtl8366_smi: separate gpio initialization
SVN-Revision: 19276
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c71
1 files changed, 46 insertions, 25 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
index 28706a7..abd1af0 100644
--- a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
@@ -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)
{