From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:53131 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932231AbcJZL7p (ORCPT ); Wed, 26 Oct 2016 07:59:45 -0400 Subject: Patch "mmc: rtsx_usb_sdmmc: Handle runtime PM while changing the led" has been added to the 4.4-stable tree To: ulf.hansson@linaro.org, gregkh@linuxfoundation.org, rrs@researchut.com, stern@rowland.harvard.edu Cc: , From: Date: Wed, 26 Oct 2016 13:59:30 +0200 Message-ID: <147748317023129@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 mmc: rtsx_usb_sdmmc: Handle runtime PM while changing the led to the 4.4-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: mmc-rtsx_usb_sdmmc-handle-runtime-pm-while-changing-the-led.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 4f48aa7a11bfed9502a7c85a5b68cd40ea827f73 Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Thu, 15 Sep 2016 14:46:21 +0200 Subject: mmc: rtsx_usb_sdmmc: Handle runtime PM while changing the led From: Ulf Hansson commit 4f48aa7a11bfed9502a7c85a5b68cd40ea827f73 upstream. Accesses of the rtsx sdmmc's parent device, which is the rtsx usb device, must be done when it's runtime resumed. Currently this isn't case when changing the led, so let's fix this by adding a pm_runtime_get_sync() and a pm_runtime_put() around those operations. Reported-by: Ritesh Raj Sarraf Tested-by: Ritesh Raj Sarraf Cc: Alan Stern Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/rtsx_usb_sdmmc.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mmc/host/rtsx_usb_sdmmc.c +++ b/drivers/mmc/host/rtsx_usb_sdmmc.c @@ -1309,6 +1309,7 @@ static void rtsx_usb_update_led(struct w container_of(work, struct rtsx_usb_sdmmc, led_work); struct rtsx_ucr *ucr = host->ucr; + pm_runtime_get_sync(sdmmc_dev(host)); mutex_lock(&ucr->dev_mutex); if (host->led.brightness == LED_OFF) @@ -1317,6 +1318,7 @@ static void rtsx_usb_update_led(struct w rtsx_usb_turn_on_led(ucr); mutex_unlock(&ucr->dev_mutex); + pm_runtime_put(sdmmc_dev(host)); } #endif Patches currently in stable-queue which might be from ulf.hansson@linaro.org are queue-4.4/memstick-rtsx_usb_ms-manage-runtime-pm-when-accessing-the-device.patch queue-4.4/mmc-sdhci-cast-unsigned-int-to-unsigned-long-long-to-avoid-unexpeted-error.patch queue-4.4/mmc-core-annotate-cmd_hdr-as-__le32.patch queue-4.4/mmc-block-don-t-use-cmd23-with-very-old-mmc-cards.patch queue-4.4/memstick-rtsx_usb_ms-runtime-resume-the-device-when-polling-for-cards.patch queue-4.4/mmc-rtsx_usb_sdmmc-avoid-keeping-the-device-runtime-resumed-when-unused.patch queue-4.4/mmc-rtsx_usb_sdmmc-handle-runtime-pm-while-changing-the-led.patch