From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Thu, 25 Mar 2010 11:14:29 +0000 (+0200)
Subject: musb_core: don't prevent disabling clock on driver unload
X-Git-Tag: v3.0~5087^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d0bfbf25957e04354389047f0e6ba520d58487c;p=platform%2Fkernel%2Flinux-amlogic.git

musb_core: don't prevent disabling clock on driver unload

Resetting 'musb->clock' to NULL in musb_shutdown() prevents musb_platform_exit()
from properly disabling the clock when unloading the driver -- don't do it.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 03544de..8b68f21 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -965,10 +965,8 @@ static void musb_shutdown(struct platform_device *pdev)
 	spin_lock_irqsave(&musb->lock, flags);
 	musb_platform_disable(musb);
 	musb_generic_disable(musb);
-	if (musb->clock) {
+	if (musb->clock)
 		clk_put(musb->clock);
-		musb->clock = NULL;
-	}
 	spin_unlock_irqrestore(&musb->lock, flags);
 
 	/* FIXME power down */