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path: root/drivers/mmc/host/mmc_hsq.h
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Diffstat (limited to 'drivers/mmc/host/mmc_hsq.h')
-rw-r--r--drivers/mmc/host/mmc_hsq.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmc_hsq.h b/drivers/mmc/host/mmc_hsq.h
index 1808024fc6c5..aa5c4543b55f 100644
--- a/drivers/mmc/host/mmc_hsq.h
+++ b/drivers/mmc/host/mmc_hsq.h
@@ -5,6 +5,12 @@
#define HSQ_NUM_SLOTS 64
#define HSQ_INVALID_TAG HSQ_NUM_SLOTS
+/*
+ * For MMC host software queue, we only allow 2 requests in
+ * flight to avoid a long latency.
+ */
+#define HSQ_NORMAL_DEPTH 2
+
struct hsq_slot {
struct mmc_request *mrq;
};