mmc: mmc: Enable CQE's
Enable or disable CQE when a card is added or removed respectively.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
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 8e11526..44d67ee 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1809,6 +1809,18 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
*/
card->reenable_cmdq = card->ext_csd.cmdq_en;
+ if (card->ext_csd.cmdq_en && !host->cqe_enabled) {
+ err = host->cqe_ops->cqe_enable(host, card);
+ if (err) {
+ pr_err("%s: Failed to enable CQE, error %d\n",
+ mmc_hostname(host), err);
+ } else {
+ host->cqe_enabled = true;
+ pr_info("%s: Command Queue Engine enabled\n",
+ mmc_hostname(host));
+ }
+ }
+
if (!oldcard)
host->card = card;