From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH V2 16/22] mmc: core: Turn off CQE before sending commands Date: Mon, 13 Mar 2017 14:36:47 +0200 Message-ID: <1489408613-26915-17-git-send-email-adrian.hunter@intel.com> References: <1489408613-26915-1-git-send-email-adrian.hunter@intel.com> Return-path: Received: from mga05.intel.com ([192.55.52.43]:25133 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752405AbdCMMoL (ORCPT ); Mon, 13 Mar 2017 08:44:11 -0400 In-Reply-To: <1489408613-26915-1-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 , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Dorfman Konstantin , David Griego , Sahitya Tummala , Harjani Ritesh , Venu Byravarasu , Linus Walleij , Shawn Lin Turn off the CQE before sending commands, and ensure it is off in any reset or power management paths, or re-tuning. Signed-off-by: Adrian Hunter --- drivers/mmc/core/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index ffc263283f54..480dfd5d9c13 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -259,6 +259,9 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) trace_mmc_request_start(host, mrq); + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + host->ops->request(host, mrq); } @@ -1184,6 +1187,9 @@ int mmc_execute_tuning(struct mmc_card *card) if (!host->ops->execute_tuning) return 0; + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + if (mmc_card_mmc(card)) opcode = MMC_SEND_TUNING_BLOCK_HS200; else @@ -1223,6 +1229,9 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) */ void mmc_set_initial_state(struct mmc_host *host) { + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + mmc_retune_disable(host); if (mmc_host_is_spi(host)) -- 1.9.1