From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH V15 17/22] mmc: block: Reduce polling timeout from 10 minutes to 10 seconds Date: Wed, 29 Nov 2017 15:41:14 +0200 Message-ID: <1511962879-24262-18-git-send-email-adrian.hunter@intel.com> References: <1511962879-24262-1-git-send-email-adrian.hunter@intel.com> Return-path: In-Reply-To: <1511962879-24262-1-git-send-email-adrian.hunter@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson Cc: linux-mmc , linux-block , linux-kernel , Bough Chen , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Sahitya Tummala , Harjani Ritesh , Venu Byravarasu , Linus Walleij , Shawn Lin , Bartlomiej Zolnierkiewicz , Christoph Hellwig List-Id: linux-mmc@vger.kernel.org Set a 10 second timeout for polling write request busy state. Note, mmc core is setting a 3 second timeout for SD cards, and SDHCI has long had a 10 second software timer to timeout the whole request, so 10 seconds should be ample. Signed-off-by: Adrian Hunter --- drivers/mmc/core/block.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 46e63aec1fcb..9d323ed34f82 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -63,7 +63,13 @@ #endif #define MODULE_PARAM_PREFIX "mmcblk." -#define MMC_BLK_TIMEOUT_MS (10 * 60 * 1000) /* 10 minute timeout */ +/* + * Set a 10 second timeout for polling write request busy state. Note, mmc core + * is setting a 3 second timeout for SD cards, and SDHCI has long had a 10 + * second software timer to timeout the whole request, so 10 seconds should be + * ample. + */ +#define MMC_BLK_TIMEOUT_MS (10 * 1000) #define MMC_SANITIZE_REQ_TIMEOUT 240000 #define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16) -- 1.9.1