From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Hansson Subject: [PATCH 1/6] mmc: rtsx_usb_sdmmc: Avoid keeping the device runtime resumed when unused Date: Thu, 13 Oct 2016 13:37:35 +0200 Message-ID: <1476358660-8338-2-git-send-email-ulf.hansson@linaro.org> References: <1476358660-8338-1-git-send-email-ulf.hansson@linaro.org> Return-path: Received: from mail-lf0-f45.google.com ([209.85.215.45]:33435 "EHLO mail-lf0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754315AbcJMLia (ORCPT ); Thu, 13 Oct 2016 07:38:30 -0400 Received: by mail-lf0-f45.google.com with SMTP id x79so135043890lff.0 for ; Thu, 13 Oct 2016 04:37:55 -0700 (PDT) In-Reply-To: <1476358660-8338-1-git-send-email-ulf.hansson@linaro.org> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Ulf Hansson Cc: Ritesh Raj Sarraf , Alan Stern , Oliver Neukum , USB list , Roger Tseng , Wei WANG , stable@vger.kernel.org The rtsx_usb_sdmmc driver may bail out in its ->set_ios() callback when no SD card is inserted. This is wrong, as it could cause the device to remain runtime resumed when it's unused. Fix this behaviour. Tested-by: Ritesh Raj Sarraf Cc: Cc: Alan Stern Signed-off-by: Ulf Hansson --- drivers/mmc/host/rtsx_usb_sdmmc.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c index 4106295..e0b8590 100644 --- a/drivers/mmc/host/rtsx_usb_sdmmc.c +++ b/drivers/mmc/host/rtsx_usb_sdmmc.c @@ -1138,11 +1138,6 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) dev_dbg(sdmmc_dev(host), "%s\n", __func__); mutex_lock(&ucr->dev_mutex); - if (rtsx_usb_card_exclusive_check(ucr, RTSX_USB_SD_CARD)) { - mutex_unlock(&ucr->dev_mutex); - return; - } - sd_set_power_mode(host, ios->power_mode); sd_set_bus_width(host, ios->bus_width); sd_set_timing(host, ios->timing, &host->ddr_mode); -- 1.9.1