mmc: mmc_test: Disable Command Queue while mmc_test is used
Normal read and write commands may not be used while the command queue is
enabled. Disable the Command Queue when mmc_test is probed and re-enable it
when it is removed.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Harjani Ritesh <riteshh@codeaurora.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 35b2d0f..2c87ded 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1790,6 +1790,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
}
/*
+ * In some cases (e.g. RPMB or mmc_test), the Command Queue must be
+ * disabled for a time, so a flag is needed to indicate to re-enable the
+ * Command Queue.
+ */
+ card->reenable_cmdq = card->ext_csd.cmdq_en;
+
+ /*
* The mandatory minimum values are defined for packed command.
* read: 5, write: 3
*/