linux-kernel - [PATCH AUTOSEL for 3.18 24/40] xhci: plat: Register shutdown for xhci

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Message-ID: <20171213015905.7059-24-alexander.levin@verizon.com>
Date:   Wed, 13 Dec 2017 01:59:17 +0000
From:   alexander.levin@...izon.com
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Adam Wallis <awallis@...eaurora.org>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        alexander.levin@...izon.com
Subject: [PATCH AUTOSEL for 3.18 24/40] xhci: plat: Register shutdown for
 xhci_plat

From: Adam Wallis <awallis@...eaurora.org>

[ Upstream commit b07c12517f2aed0add8ce18146bb426b14099392 ]

Shutdown should be called for xhci_plat devices especially for
situations where kexec might be used by stopping DMA
transactions.

Signed-off-by: Adam Wallis <awallis@...eaurora.org>
Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/usb/host/xhci-plat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 54941bd3fe09..bd9654e9f0a7 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -252,6 +252,7 @@ MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
 static struct platform_driver usb_xhci_driver = {
 	.probe	= xhci_plat_probe,
 	.remove	= xhci_plat_remove,
+	.shutdown	= usb_hcd_platform_shutdown,
 	.driver	= {
 		.name = "xhci-hcd",
 		.pm = DEV_PM_OPS,
-- 
2.11.0