From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH V6 04/15] mmc: core: Check re-tuning before retrying Date: Mon, 20 Apr 2015 15:09:45 +0300 Message-ID: <1429531796-21987-5-git-send-email-adrian.hunter@intel.com> References: <1429531796-21987-1-git-send-email-adrian.hunter@intel.com> Return-path: Received: from mga11.intel.com ([192.55.52.93]:59861 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754946AbbDTMMU (ORCPT ); Mon, 20 Apr 2015 08:12:20 -0400 In-Reply-To: <1429531796-21987-1-git-send-email-adrian.hunter@intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson Cc: linux-mmc , Aaron Lu , Philip Rakity , Al Cooper , Arend van Spriel Possibly a command is failing because re-tuning is needed. Use mmc_retune_recheck() to check re-tuning. At that point re-tuning is held, at least by the request, so mmc_retune_recheck() flags host->retune_now if the hold count is 1. Signed-off-by: Adrian Hunter --- drivers/mmc/core/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a9936cb..08bf7e3 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -434,6 +434,7 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host, host->areq); break; /* return err */ } else { + mmc_retune_recheck(host); pr_info("%s: req failed (CMD%u): %d, retrying...\n", mmc_hostname(host), cmd->opcode, cmd->error); @@ -483,6 +484,8 @@ static void mmc_wait_for_req_done(struct mmc_host *host, mmc_card_removed(host->card)) break; + mmc_retune_recheck(host); + pr_debug("%s: req failed (CMD%u): %d, retrying...\n", mmc_hostname(host), cmd->opcode, cmd->error); cmd->retries--; -- 1.9.1