diff mbox series

[5.4,040/102] usb: host: xhci-plat: add a shutdown

Message ID	20200324130810.796047109@linuxfoundation.org
State	New
Headers	show Return-Path: <SRS0=FSPt=5J=vger.kernel.org=stable-owner@kernel.org> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Ran Wang <ran.wang_1@nxp.com>, Stephen Boyd <swboyd@chromium.org>, Peter Chen <peter.chen@nxp.com> Subject: [PATCH 5.4 040/102] usb: host: xhci-plat: add a shutdown Date: Tue, 24 Mar 2020 14:10:32 +0100 Message-Id: <20200324130810.796047109@linuxfoundation.org> In-Reply-To: <20200324130806.544601211@linuxfoundation.org> References: <20200324130806.544601211@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk
Series	None \| expand [5.4,003/102] spi: spi-omap2-mcspi: Support probe deferral for DMA channels [5.4,004/102] drm/mediatek: Find the cursor plane instead of hard coding it [5.4,007/102] ARM: dts: dra7-l4: mark timer13-16 as pwm capable [5.4,009/102] powerpc: Include .BTF section [5.4,010/102] cifs: fix potential mismatch of UNC paths [5.4,013/102] spi: pxa2xx: Add CS control clock quirk [5.4,015/102] drm/exynos: dsi: propagate error value and silence meaningless warning [5.4,017/102] drm/exynos: hdmi: dont leak enable HDMI_EN regulator if probe fails [5.4,018/102] drivers/perf: fsl_imx8_ddr: Correct the CLEAR bit definition [5.4,020/102] altera-stapl: altera_get_note: prevent write beyond end of key [5.4,022/102] dm integrity: use dm_bio_record and dm_bio_restore [5.4,023/102] riscv: avoid the PIC offset of static percpu data in module beyond 2G limits [5.4,026/102] riscv: Force flat memory model with no-mmu [5.4,029/102] drm/amd/display: Clear link settings on MST disable connector [5.4,032/102] xenbus: req->err should be updated before req->state [5.4,033/102] block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group() [5.4,035/102] binderfs: use refcount for binder control devices too [5.4,036/102] Revert "drm/fbdev: Fallback to non tiled mode if all tiles not present" [5.4,038/102] usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters [5.4,040/102] usb: host: xhci-plat: add a shutdown [5.4,043/102] usb: typec: ucsi: displayport: Fix NULL pointer dereference [5.4,044/102] usb: typec: ucsi: displayport: Fix a potential race during registration [5.4,046/102] USB: cdc-acm: fix rounding error in TIOCSSERIAL [5.4,048/102] ALSA: hda/realtek - Enable headset mic of Acer X2660G with ALC662 [5.4,050/102] ALSA: seq: virmidi: Fix running status after receiving sysex [5.4,052/102] ALSA: pcm: oss: Avoid plugin buffer overflow [5.4,054/102] tty: fix compat TIOCGSERIAL leaking uninitialized memory [5.4,057/102] iio: st_sensors: remap SMO8840 to LIS2DH12 [5.4,060/102] iio: magnetometer: ak8974: Fix negative raw values in sysfs [5.4,062/102] iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode [5.4,063/102] iio: light: vcnl4000: update sampling periods for vcnl4200 [5.4,066/102] mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2 [5.4,067/102] mmc: sdhci-cadence: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN for UniPhier [5.4,069/102] kbuild: Disable -Wpointer-to-enum-cast [5.4,071/102] staging: greybus: loopback_test: fix poll-mask build breakage [5.4,073/102] intel_th: msu: Fix the unexpected state warning [5.4,074/102] intel_th: Fix user-visible error codes [5.4,077/102] rtc: max8907: add missing select REGMAP_IRQ [5.4,078/102] arm64: compat: Fix syscall number of compat_clock_getres [5.4,080/102] btrfs: fix log context list corruption after rename whiteout error [5.4,082/102] drm/lease: fix WARNING in idr_destroy [5.4,085/102] mm, memcg: fix corruption on 64-bit divisor in memory.high throttling [5.4,088/102] mm: do not allow MADV_PAGEOUT for CoW pages [5.4,089/102] epoll: fix possible lost wakeup on epoll_ctl() path [5.4,090/102] mm: slub: be more careful about the double cmpxchg of freelist [5.4,093/102] x86/mm: split vmalloc_sync_all() [5.4,095/102] futex: Unbreak futex hashing [5.4,097/102] arm64: smp: fix smp_send_stop() behaviour [5.4,100/102] drm/bridge: dw-hdmi: fix AVI frame colorimetry [5.4,101/102] staging: greybus: loopback_test: fix potential path truncation [5.4,102/102] staging: greybus: loopback_test: fix potential path truncations

Commit Message

Greg KH March 24, 2020, 1:10 p.m. UTC

From: Ran Wang <ran.wang_1@nxp.com>

commit b433e340e7565110b0ce9ca4b3e26f4b97a1decf upstream.

When loading new kernel via kexec, we need to shutdown host controller to
avoid any un-expected memory accessing during new kernel boot.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Cc: stable <stable@vger.kernel.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200306092328.41253-1-ran.wang_1@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/host/xhci-plat.c |    1 +
 1 file changed, 1 insertion(+)

diff mbox series

Patch

--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -445,6 +445,7 @@  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 = &xhci_plat_pm_ops,