From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:23671 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932974AbcFCVjX (ORCPT ); Fri, 3 Jun 2016 17:39:23 -0400 From: Sasha Levin To: stable@vger.kernel.org, stable-commits@vger.kernel.org Cc: Matt Gumbel , Adrian Hunter , Ulf Hansson , Sasha Levin Subject: [added to the 4.1 stable tree] mmc: longer timeout for long read time quirk Date: Fri, 3 Jun 2016 17:37:00 -0400 Message-Id: <1464989831-16666-125-git-send-email-sasha.levin@oracle.com> In-Reply-To: <1464989831-16666-1-git-send-email-sasha.levin@oracle.com> References: <1464989831-16666-1-git-send-email-sasha.levin@oracle.com> Sender: stable-owner@vger.kernel.org List-ID: From: Matt Gumbel This patch has been added to the 4.1 stable tree. If you have any objections, please let us know. =============== [ Upstream commit 32ecd320db39bcb007679ed42f283740641b81ea ] 008GE0 Toshiba mmc in some Intel Baytrail tablets responds to MMC_SEND_EXT_CSD in 450-600ms. This patch will... () Increase the long read time quirk timeout from 300ms to 600ms. Original author of that quirk says 300ms was only a guess and that the number may need to be raised in the future. () Add this specific MMC to the quirk Signed-off-by: Matt Gumbel Signed-off-by: Adrian Hunter Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/card/block.c | 5 +++-- drivers/mmc/core/core.c | 4 ++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 31d2627..3705c7e 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2403,11 +2403,12 @@ static const struct mmc_fixup blk_fixups[] = MMC_QUIRK_BLK_NO_CMD23), /* - * Some Micron MMC cards needs longer data read timeout than - * indicated in CSD. + * Some MMC cards need longer data read timeout than indicated in CSD. */ MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc, MMC_QUIRK_LONG_READ_TIME), + MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_LONG_READ_TIME), /* * On these Samsung MoviNAND parts, performing secure erase or diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 588fb79..b5d8906 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -831,11 +831,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card) /* * Some cards require longer data read timeout than indicated in CSD. * Address this by setting the read timeout to a "reasonably high" - * value. For the cards tested, 300ms has proven enough. If necessary, + * value. For the cards tested, 600ms has proven enough. If necessary, * this value can be increased if other problematic cards require this. */ if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) { - data->timeout_ns = 300000000; + data->timeout_ns = 600000000; data->timeout_clks = 0; } -- 2.5.0