From: George Cherian <george.cherian@ti.com>
Date: Fri, 21 Jun 2013 08:29:08 +0000 (+0530)
Subject: usb: host: xhci-plat: release mem region while removing module
X-Git-Tag: firefly_0821_release~176^2~5847^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5388a3a5faba8dfa69e5f06c3a415d373c1a4316;p=firefly-linux-kernel-4.4.55.git

usb: host: xhci-plat: release mem region while removing module

Do a release_mem_region of the hcd resource. Without this the
subsequent insertion of module fails in request_mem_region.

Signed-off-by: George Cherian <george.cherian@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@vger.kernel.org> # 3.4+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index a3a4aa306f33..51e22bf89505 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -179,6 +179,7 @@ static int xhci_plat_remove(struct platform_device *dev)
 
 	usb_remove_hcd(hcd);
 	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
 	kfree(xhci);