From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59782 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752844AbdDJQJ0 (ORCPT ); Mon, 10 Apr 2017 12:09:26 -0400 Subject: Patch "usb: musb: da8xx: Fix host mode suspend" has been added to the 4.9-stable tree To: gregkh@linuxfoundation.org, abailon@baylibre.com, alexander.levin@verizon.com, b-liu@ti.com, stable@vger.kernel.org Cc: , From: Date: Mon, 10 Apr 2017 18:06:44 +0200 In-Reply-To: <20170404193158.19041-76-alexander.levin@verizon.com> Message-ID: <149184040420291@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled usb: musb: da8xx: Fix host mode suspend to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-musb-da8xx-fix-host-mode-suspend.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Mon Apr 10 17:43:56 CEST 2017 From: alexander.levin@verizon.com Date: Tue, 4 Apr 2017 19:32:30 +0000 Subject: usb: musb: da8xx: Fix host mode suspend To: "gregkh@linuxfoundation.org" Cc: "stable@vger.kernel.org" Message-ID: <20170404193158.19041-76-alexander.levin@verizon.com> From: Alexandre Bailon [ Upstream commit 486fc20ac8391338a42b015801b846acda4db7b7 ] On da8xx, VBUS is not maintained during suspend when musb is in host mode. On resume, all the connected devices will be disconnected and then will be enumerated again. This happens because MUSB_DEVCTL is cleared during suspend. Use the quirk MUSB_PRESERVE_SESSION to preseve MUSB_DEVCTL during suspend. Signed-off-by: Alexandre Bailon Signed-off-by: Bin Liu Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/da8xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -434,7 +434,7 @@ static int da8xx_musb_exit(struct musb * } static const struct musb_platform_ops da8xx_ops = { - .quirks = MUSB_INDEXED_EP, + .quirks = MUSB_INDEXED_EP | MUSB_PRESERVE_SESSION, .init = da8xx_musb_init, .exit = da8xx_musb_exit, Patches currently in stable-queue which might be from gregkh@linuxfoundation.org are queue-4.9/staging-android-ashmem-lseek-failed-due-to-no-fmode_lseek.patch queue-4.9/arm64-dts-hisi-fix-hip06-sas-am-max-trans-quirk.patch queue-4.9/scsi-ufs-introduce-ufshcd_quirk_prdt_byte_gran-quirk.patch queue-4.9/acpi-button-change-default-behavior-to-lid_init_state-open.patch queue-4.9/usb-musb-da8xx-fix-host-mode-suspend.patch queue-4.9/drm-i915-fix-intel_bdw_ids-definition.patch queue-4.9/sysfs-be-careful-of-error-returns-from-ops-show.patch queue-4.9/mips-flush-wrong-invalid-ftlb-entry-for-huge-page.patch queue-4.9/mips-end-spinlocks-with-.insn.patch queue-4.9/mmc-sdhci-of-esdhc-remove-default-broken-cd-for-arm.patch queue-4.9/kvm-arm-arm64-fix-locking-for-kvm_free_stage2_pgd.patch queue-4.9/powerpc-disable-hfscr-if-tm-is-not-supported.patch queue-4.9/metag-usercopy-add-missing-fixups.patch queue-4.9/nios2-reserve-boot-memory-for-device-tree.patch queue-4.9/alsa-usb-audio-add-implicit-fb-quirk-for-axe-fx-ii.patch queue-4.9/svcauth_gss-close-connection-when-dropping-an-incoming-message.patch queue-4.9/platform-x86-asus-wmi-detect-quirk_no_rfkill-from-the-dsdt.patch queue-4.9/ring-buffer-fix-return-value-check-in-test_ringbuffer.patch queue-4.9/ppdev-check-before-attaching-port.patch queue-4.9/firmware-qcom-scm-fix-interrupted-scm-calls.patch 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