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Date:   Fri, 27 Apr 2018 15:58:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Merlijn Wajer <merlijn@...zup.org>,
        Bin Liu <b-liu@...com>
Subject: [PATCH 4.9 10/74] usb: musb: Fix external abort in musb_remove on omap2430

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Merlijn Wajer <merlijn@...zup.org>

commit 94e46a4f2d5eb14059e42f313c098d4854847376 upstream.

This fixes an oops on unbind / module unload (on the musb omap2430
platform).

musb_remove function now calls musb_platform_exit before disabling
runtime pm.

Signed-off-by: Merlijn Wajer <merlijn@...zup.org>
Signed-off-by: Bin Liu <b-liu@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>


---
 drivers/usb/musb/musb_core.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2485,10 +2485,11 @@ static int musb_remove(struct platform_d
 	musb_generic_disable(musb);
 	spin_unlock_irqrestore(&musb->lock, flags);
 	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+	musb_platform_exit(musb);
+
 	pm_runtime_dont_use_autosuspend(musb->controller);
 	pm_runtime_put_sync(musb->controller);
 	pm_runtime_disable(musb->controller);
-	musb_platform_exit(musb);
 	musb_phy_callback = NULL;
 	if (musb->dma_controller)
 		musb_dma_controller_destroy(musb->dma_controller);


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