linux-kernel - [PATCH 4.4 51/78] xhci: plat: Register shutdown for xhci

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Message-Id: <20171222084602.595266096@linuxfoundation.org>
Date:   Fri, 22 Dec 2017 09:46:32 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Adam Wallis <awallis@...eaurora.org>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.4 51/78] xhci: plat: Register shutdown for xhci_plat

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

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

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/host/xhci-plat.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -284,6 +284,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_
 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,