If both the card and host controller support HPI related
operations, set a flag in MMC queue to remember it.
Signed-off-by: Venkatraman S <svenkatr@xxxxxx>
---
drivers/mmc/card/block.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index dabec55..11833e4 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -88,6 +88,7 @@ struct mmc_blk_data {
unsigned int flags;
#define MMC_BLK_CMD23 (1 << 0) /* Can do SET_BLOCK_COUNT for multiblock */
#define MMC_BLK_REL_WR (1 << 1) /* MMC Reliable write support */
+#define MMC_HPI_SUPPORT (1 << 2)
unsigned int usage;
unsigned int read_only;
@@ -1548,12 +1549,15 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
md->flags |= MMC_BLK_CMD23;
}
- if (mmc_card_mmc(card) &&
- md->flags & MMC_BLK_CMD23 &&
+ if (mmc_card_mmc(card)) {
+ if (md->flags & MMC_BLK_CMD23 &&
((card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN) ||
card->ext_csd.rel_sectors)) {
- md->flags |= MMC_BLK_REL_WR;
- blk_queue_flush(md->queue.queue, REQ_FLUSH | REQ_FUA);
+ md->flags |= MMC_BLK_REL_WR;
+ blk_queue_flush(md->queue.queue, REQ_FLUSH | REQ_FUA);
+ }
+ if (card->host->ops->abort_req && card->ext_csd.hpi_en)
+ md->flags |= MMC_HPI_SUPPORT;
}
return md;
--
1.7.10.rc2
--
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