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authorTony Lindgren <tony@atomide.com>2016-05-31 10:05:10 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-01 14:58:59 -0700
commit302f6802395f58dceb225b1c9e603de72f09b8b0 (patch)
tree2b54d33c9b8d9ccb40c88d95b0d91f3658543005 /drivers/usb/musb
parent7e1704dcf6b0a895f99e386ccc9ca631117e6d5b (diff)
usb: musb: Remove unnecessary shutdown function
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>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_core.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 460176c43e84..c370ed59ef7b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -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);