USB: host: use to_platform_device

Use to_platform_device() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 8 insertions, 16 deletions

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index bd7082f297bb..1757ebb471b6 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -345,8 +345,7 @@ static int ehci_platform_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ehci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         bool do_wakeup = device_may_wakeup(dev);
         int ret;
 
@@ -364,8 +363,7 @@ static int ehci_platform_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ehci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         struct ehci_platform_priv *priv = hcd_to_ehci_priv(hcd);
 
         if (pdata->power_on) {
diff --git a/drivers/usb/host/ehci-st.c b/drivers/usb/host/ehci-st.c
index b7c5cfa37a83..a94ed677d937 100644
--- a/drivers/usb/host/ehci-st.c
+++ b/drivers/usb/host/ehci-st.c
@@ -287,8 +287,7 @@ static int st_ehci_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ehci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         bool do_wakeup = device_may_wakeup(dev);
         int ret;
 
@@ -308,8 +307,7 @@ static int st_ehci_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ehci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         int err;
 
         pinctrl_pm_select_default_state(dev);
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index c2669f185f65..ae1c988da146 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -310,8 +310,7 @@ static int ohci_platform_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ohci_pdata *pdata = dev->platform_data;
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         bool do_wakeup = device_may_wakeup(dev);
         int ret;
 
@@ -329,8 +328,7 @@ static int ohci_platform_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ohci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
 
         if (pdata->power_on) {
                 int err = pdata->power_on(pdev);
diff --git a/drivers/usb/host/ohci-st.c b/drivers/usb/host/ohci-st.c
index df9028e0d9b4..acf2eb2a5676 100644
--- a/drivers/usb/host/ohci-st.c
+++ b/drivers/usb/host/ohci-st.c
@@ -270,8 +270,7 @@ static int st_ohci_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ohci_pdata *pdata = dev->platform_data;
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         bool do_wakeup = device_may_wakeup(dev);
         int ret;
 
@@ -289,8 +288,7 @@ static int st_ohci_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
         struct usb_ohci_pdata *pdata = dev_get_platdata(dev);
-        struct platform_device *pdev =
-                container_of(dev, struct platform_device, dev);
+        struct platform_device *pdev = to_platform_device(dev);
         int err;
 
         if (pdata->power_on) {