usb: musb: Remove unnecessary shutdown function
authorTony Lindgren <tony@atomide.com>
Tue, 31 May 2016 15:05:10 +0000 (10:05 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 1 Jun 2016 21:58:59 +0000 (14:58 -0700)
We have remove() already calling shutdown(), so let's drop it
and move the code to remove(). No code changes, we'll drop the
the FIXME in the following patch with more clean-up.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/musb/musb_core.c

index 460176c..c370ed5 100644 (file)
@@ -1090,29 +1090,6 @@ void musb_stop(struct musb *musb)
        musb_platform_try_idle(musb, 0);
 }
 
-static void musb_shutdown(struct platform_device *pdev)
-{
-       struct musb     *musb = dev_to_musb(&pdev->dev);
-       unsigned long   flags;
-
-       pm_runtime_get_sync(musb->controller);
-
-       musb_host_cleanup(musb);
-       musb_gadget_cleanup(musb);
-
-       spin_lock_irqsave(&musb->lock, flags);
-       musb_platform_disable(musb);
-       musb_generic_disable(musb);
-       spin_unlock_irqrestore(&musb->lock, flags);
-
-       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
-       musb_platform_exit(musb);
-
-       pm_runtime_put(musb->controller);
-       /* FIXME power down */
-}
-
-
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -2318,6 +2295,7 @@ static int musb_remove(struct platform_device *pdev)
 {
        struct device   *dev = &pdev->dev;
        struct musb     *musb = dev_to_musb(dev);
+       unsigned long   flags;
 
        /* this gets called on rmmod.
         *  - Host mode: host may still be active
@@ -2325,7 +2303,19 @@ static int musb_remove(struct platform_device *pdev)
         *  - OTG mode: both roles are deactivated (or never-activated)
         */
        musb_exit_debugfs(musb);
-       musb_shutdown(pdev);
+
+       pm_runtime_get_sync(musb->controller);
+       musb_host_cleanup(musb);
+       musb_gadget_cleanup(musb);
+       spin_lock_irqsave(&musb->lock, flags);
+       musb_platform_disable(musb);
+       musb_generic_disable(musb);
+       spin_unlock_irqrestore(&musb->lock, flags);
+       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+       musb_platform_exit(musb);
+       pm_runtime_put(musb->controller);
+       /* FIXME power down */
+
        musb_phy_callback = NULL;
 
        if (musb->dma_controller)
@@ -2618,7 +2608,6 @@ static struct platform_driver musb_driver = {
        },
        .probe          = musb_probe,
        .remove         = musb_remove,
-       .shutdown       = musb_shutdown,
 };
 
 module_platform_driver(musb_driver);