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From: Adrian Hunter <adrian.hunter@intel.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
	Bough Chen <haibo.chen@nxp.com>,
	Alex Lemberg <alex.lemberg@sandisk.com>,
	Mateusz Nowak <mateusz.nowak@intel.com>,
	Yuliy Izrailov <Yuliy.Izrailov@sandisk.com>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Dong Aisheng <dongas86@gmail.com>,
	Das Asutosh <asutoshd@codeaurora.org>,
	Zhangfei Gao <zhangfei.gao@gmail.com>,
	Dorfman Konstantin <kdorfman@codeaurora.org>,
	David Griego <david.griego@linaro.org>,
	Sahitya Tummala <stummala@codeaurora.org>,
	Harjani Ritesh <riteshh@codeaurora.org>,
	Venu Byravarasu <vbyravarasu@nvidia.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Shawn Lin <shawn.lin@rock-chips.com>
Subject: [PATCH V3 04/11] mmc: core: Turn off CQE before sending commands
Date: Thu, 15 Jun 2017 14:06:32 +0300	[thread overview]
Message-ID: <1497524799-18165-5-git-send-email-adrian.hunter@intel.com> (raw)
In-Reply-To: <1497524799-18165-1-git-send-email-adrian.hunter@intel.com>

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 <adrian.hunter@intel.com>
---
 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 26431267a3e2..b0af9db18eef 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -260,6 +260,9 @@ 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);
 }
 
@@ -982,6 +985,9 @@ 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
@@ -1021,6 +1027,9 @@ 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


  parent reply	other threads:[~2017-06-15 11:13 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-15 11:06 [PATCH V3 00/11] mmc: Add Command Queue support Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 01/11] mmc: core: Add mmc_retune_hold_now() Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 02/11] mmc: core: Add members to mmc_request and mmc_data for CQE's Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 03/11] mmc: host: Add CQE interface Adrian Hunter
2017-06-15 11:06 ` Adrian Hunter [this message]
2017-06-15 11:06 ` [PATCH V3 05/11] mmc: core: Add support for handling CQE requests Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 06/11] mmc: mmc: Enable Command Queuing Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 07/11] mmc: mmc: Enable CQE's Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 08/11] mmc: block: Prepare CQE data Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 09/11] mmc: block: Add CQE support Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 10/11] mmc: cqhci: support for command queue enabled host Adrian Hunter
2017-06-15 11:06 ` [PATCH V3 11/11] mmc: sdhci-pci: Add CQHCI support for Intel GLK Adrian Hunter
2017-06-25 19:52 ` [PATCH V3 00/11] mmc: Add Command Queue support Adrian Hunter
2017-07-19  3:42 ` Shawn Lin
2017-07-19  5:48   ` Bough Chen
2017-07-19  7:44     ` Shawn Lin
2017-07-19  8:43       ` Shawn Lin
2017-07-19 11:29         ` Bough Chen
2017-07-21  9:57           ` Adrian Hunter

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