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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>,
	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>
Subject: [PATCH V1 12/18] mmc: core: Turn off CQE before sending commands
Date: Mon,  6 Mar 2017 11:11:07 +0200	[thread overview]
Message-ID: <1488791473-24981-13-git-send-email-adrian.hunter@intel.com> (raw)
In-Reply-To: <1488791473-24981-1-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 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


  parent reply	other threads:[~2017-03-06  9:17 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20170306091701epcas4p30ef050e2e5bd1616457a6347de9b6717@epcas4p3.samsung.com>
2017-03-06  9:10 ` [PATCH V1 00/18] mmc: Add Command Queue support Adrian Hunter
2017-03-06  9:10   ` [PATCH V1 01/18] mmc: queue: Share mmc request array between partitions Adrian Hunter
2017-03-06  9:10   ` [PATCH V1 02/18] mmc: mmc: Add functions to enable / disable the Command Queue Adrian Hunter
2017-03-06  9:10   ` [PATCH V1 03/18] mmc: mmc_test: Disable Command Queue while mmc_test is used Adrian Hunter
2017-03-06  9:10   ` [PATCH V1 04/18] mmc: block: Disable Command Queue while RPMB " Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 05/18] mmc: block: Change mmc_apply_rel_rw() to get block address from the request Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 06/18] mmc: block: Factor out data preparation Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 07/18] mmc: core: Factor out debug prints from mmc_start_request() Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 08/18] mmc: core: Factor out mrq preparation " Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 09/18] mmc: core: Add mmc_retune_hold_now() Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 10/18] mmc: core: Add members to mmc_request and mmc_data for CQE's Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 11/18] mmc: host: Add CQE interface Adrian Hunter
2017-03-06  9:11   ` Adrian Hunter [this message]
2017-03-06  9:11   ` [PATCH V1 13/18] mmc: core: Add support for handling CQE requests Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 14/18] mmc: mmc: Enable Command Queuing Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 15/18] mmc: mmc: Enable CQE's Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 16/18] mmc: block: Prepare CQE data Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 17/18] mmc: block: Add CQE support Adrian Hunter
2017-03-06  9:11   ` [PATCH V1 18/18] mmc: cqhci: support for command queue enabled host Adrian Hunter
2017-03-08  5:18   ` [PATCH V1 00/18] mmc: Add Command Queue support Jaehoon Chung
2017-03-08  8:08     ` Adrian Hunter
2017-03-08 13:27       ` Jaehoon Chung
2017-03-09  2:47         ` Shawn Lin
2017-03-09  8:14           ` Shawn Lin
2017-03-09  8:52         ` Adrian Hunter

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