If assume only using one slot, i think that dw_mci_queue_request() need not.
Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com
---
drivers/mmc/host/dw_mmc.c | 9 +++++++--
include/linux/mmc/dw_mmc.h | 3 ++-
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 882d004..e3f26ea 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -673,8 +673,13 @@ static void dw_mci_request(struct mmc_host *mmc, struct
mmc_request *mrq)
return;
}
- /* We don't support multiple blocks of weird lengths. */
- dw_mci_queue_request(host, slot, mrq);
+ if (host->quirks & DW_MCI_QUIRK_FORCE_ONE_SLOT) {
+ slot->mrq = mrq;
+ host->state = STATE_SENDING_CMD;
+ dw_mci_start_request(host, slot);
+ } else
+ /* We don't support multiple blocks of weird lengths. */
+ dw_mci_queue_request(host, slot, mrq);
}
static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index c0207a7..82f59c2 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -176,7 +176,8 @@ struct dw_mci_dma_ops {
#define DW_MCI_QUIRK_HIGHSPEED BIT(2)
/* Unreliable card detection */
#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3)
-
+/* Force using only one slot */
+#define DW_MCI_QUIRK_FORCE_ONE_SLOT BIT(4)
struct dma_pdata;
--
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