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path: root/drivers/mmc/core/mmc.c
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Diffstat (limited to 'drivers/mmc/core/mmc.c')
-rw-r--r--drivers/mmc/core/mmc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index b502601df228..2c87dede5841 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -790,6 +790,7 @@ MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
MMC_DEV_ATTR(ocr, "%08x\n", card->ocr);
+MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);
static ssize_t mmc_fwrev_show(struct device *dev,
struct device_attribute *attr,
@@ -845,6 +846,7 @@ static struct attribute *mmc_std_attrs[] = {
&dev_attr_rel_sectors.attr,
&dev_attr_ocr.attr,
&dev_attr_dsr.attr,
+ &dev_attr_cmdq_en.attr,
NULL,
};
ATTRIBUTE_GROUPS(mmc_std);
@@ -1788,6 +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
*/