USB: host: Use usb_hcd_platform_shutdown() wherever possible

Most HCD drivers are doing the same thing in their ".shutdown" callback
so it makes sense to use the generic usb_hcd_platform_shutdown()
handler there.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

8 files changed, 8 insertions, 82 deletions

diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c
index a77bd8dc33f4..83ab51af250f 100644
--- a/drivers/usb/host/ehci-grlib.c
+++ b/drivers/usb/host/ehci-grlib.c
@@ -167,15 +167,6 @@ static int ehci_hcd_grlib_remove(struct platform_device *op)
 }
 
 
-static void ehci_hcd_grlib_shutdown(struct platform_device *op)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(op);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
-
 static const struct of_device_id ehci_hcd_grlib_of_match[] = {
         {
                 .name = "GAISLER_EHCI",
@@ -191,7 +182,7 @@ MODULE_DEVICE_TABLE(of, ehci_hcd_grlib_of_match);
 static struct platform_driver ehci_grlib_driver = {
         .probe          = ehci_hcd_grlib_probe,
         .remove         = ehci_hcd_grlib_remove,
-        .shutdown       = ehci_hcd_grlib_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
                 .name = "grlib-ehci",
                 .owner = THIS_MODULE,
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index e4c34ac386c0..030b53958845 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -197,20 +197,12 @@ static int ehci_mxc_drv_remove(struct platform_device *pdev)
         return 0;
 }
 
-static void ehci_mxc_drv_shutdown(struct platform_device *pdev)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
 MODULE_ALIAS("platform:mxc-ehci");
 
 static struct platform_driver ehci_mxc_driver = {
         .probe = ehci_mxc_drv_probe,
         .remove = ehci_mxc_drv_remove,
-        .shutdown = ehci_mxc_drv_shutdown,
+        .shutdown = usb_hcd_platform_shutdown,
         .driver = {
                    .name = "mxc-ehci",
         },
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 9bd7dfe3315b..4384d07115d1 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -278,14 +278,6 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
         return 0;
 }
 
-static void ehci_hcd_omap_shutdown(struct platform_device *pdev)
-{
-        struct usb_hcd *hcd = dev_get_drvdata(&pdev->dev);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
 static const struct of_device_id omap_ehci_dt_ids[] = {
         { .compatible = "ti,ehci-omap" },
         { }
@@ -296,7 +288,7 @@ MODULE_DEVICE_TABLE(of, omap_ehci_dt_ids);
 static struct platform_driver ehci_hcd_omap_driver = {
         .probe                  = ehci_hcd_omap_probe,
         .remove                 = ehci_hcd_omap_remove,
-        .shutdown               = ehci_hcd_omap_shutdown,
+        .shutdown               = usb_hcd_platform_shutdown,
         /*.suspend              = ehci_hcd_omap_suspend, */
         /*.resume               = ehci_hcd_omap_resume, */
         .driver = {
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index 86da09c0f8d0..932293fa32de 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -215,15 +215,6 @@ static int ehci_hcd_ppc_of_remove(struct platform_device *op)
 }
 
 
-static void ehci_hcd_ppc_of_shutdown(struct platform_device *op)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(op);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
-
 static const struct of_device_id ehci_hcd_ppc_of_match[] = {
         {
                 .compatible = "usb-ehci",
@@ -236,7 +227,7 @@ MODULE_DEVICE_TABLE(of, ehci_hcd_ppc_of_match);
 static struct platform_driver ehci_hcd_ppc_of_driver = {
         .probe          = ehci_hcd_ppc_of_probe,
         .remove         = ehci_hcd_ppc_of_remove,
-        .shutdown       = ehci_hcd_ppc_of_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
                 .name = "ppc-of-ehci",
                 .owner = THIS_MODULE,
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 7cc26e621aa7..aba645bd4866 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -220,14 +220,6 @@ static int s5p_ehci_remove(struct platform_device *pdev)
         return 0;
 }
 
-static void s5p_ehci_shutdown(struct platform_device *pdev)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
 #ifdef CONFIG_PM
 static int s5p_ehci_suspend(struct device *dev)
 {
@@ -297,7 +289,7 @@ MODULE_DEVICE_TABLE(of, exynos_ehci_match);
 static struct platform_driver s5p_ehci_driver = {
         .probe          = s5p_ehci_probe,
         .remove         = s5p_ehci_remove,
-        .shutdown       = s5p_ehci_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
                 .name   = "s5p-ehci",
                 .owner  = THIS_MODULE,
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index 35c7f90384a6..eba962e6ebfb 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -220,21 +220,6 @@ static int ehci_hcd_xilinx_of_remove(struct platform_device *op)
         return 0;
 }
 
-/**
- * ehci_hcd_xilinx_of_shutdown - shutdown the hcd
- * @op:         pointer to platform_device structure that is to be removed
- *
- * Properly shutdown the hcd, call driver's shutdown routine.
- */
-static void ehci_hcd_xilinx_of_shutdown(struct platform_device *op)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(op);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
-
 static const struct of_device_id ehci_hcd_xilinx_of_match[] = {
                 {.compatible = "xlnx,xps-usb-host-1.00.a",},
         {},
@@ -244,7 +229,7 @@ MODULE_DEVICE_TABLE(of, ehci_hcd_xilinx_of_match);
 static struct platform_driver ehci_hcd_xilinx_of_driver = {
         .probe          = ehci_hcd_xilinx_of_probe,
         .remove         = ehci_hcd_xilinx_of_remove,
-        .shutdown       = ehci_hcd_xilinx_of_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
                 .name = "xilinx-of-ehci",
                 .owner = THIS_MODULE,
diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c
index 8f713571a0b7..a09af26f69ed 100644
--- a/drivers/usb/host/ohci-omap3.c
+++ b/drivers/usb/host/ohci-omap3.c
@@ -231,14 +231,6 @@ static int ohci_hcd_omap3_remove(struct platform_device *pdev)
         return 0;
 }
 
-static void ohci_hcd_omap3_shutdown(struct platform_device *pdev)
-{
-        struct usb_hcd *hcd = dev_get_drvdata(&pdev->dev);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
 static const struct of_device_id omap_ohci_dt_ids[] = {
         { .compatible = "ti,ohci-omap3" },
         { }
@@ -249,7 +241,7 @@ MODULE_DEVICE_TABLE(of, omap_ohci_dt_ids);
 static struct platform_driver ohci_hcd_omap3_driver = {
         .probe          = ohci_hcd_omap3_probe,
         .remove         = ohci_hcd_omap3_remove,
-        .shutdown       = ohci_hcd_omap3_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver         = {
                 .name   = "ohci-omap3",
                 .of_match_table = omap_ohci_dt_ids,
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 8294e2fcc2f6..75f5a1e2f01e 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -200,15 +200,6 @@ static int ohci_hcd_ppc_of_remove(struct platform_device *op)
         return 0;
 }
 
-static void ohci_hcd_ppc_of_shutdown(struct platform_device *op)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(op);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-}
-
-
 static const struct of_device_id ohci_hcd_ppc_of_match[] = {
 #ifdef CONFIG_USB_OHCI_HCD_PPC_OF_BE
         {
@@ -243,7 +234,7 @@ MODULE_DEVICE_TABLE(of, ohci_hcd_ppc_of_match);
 static struct platform_driver ohci_hcd_ppc_of_driver = {
         .probe          = ohci_hcd_ppc_of_probe,
         .remove         = ohci_hcd_ppc_of_remove,
-        .shutdown       = ohci_hcd_ppc_of_shutdown,
+        .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
                 .name = "ppc-of-ohci",
                 .owner = THIS_MODULE,