[V1,12/18] mmc: core: Turn off CQE before sending commands

Commit Message

Adrian Hunter March 6, 2017, 9:11 a.m. UTC

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 <[e-mail]>
---
 drivers/mmc/core/core.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

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))