@@ -1196,18 +1196,6 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
md->reset_done &= ~type;
}
-int mmc_access_rpmb(struct mmc_queue *mq)
-{
- struct mmc_blk_data *md = mq->blkdata;
- /*
- * If this is a RPMB partition access, return ture
- */
- if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB)
- return true;
-
- return false;
-}
-
/*
* The non-block commands come back from the block layer after it queued it and
* processed it with all other requests and then they get issued in this
@@ -32,7 +32,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req)
{
struct mmc_queue *mq = q->queuedata;
- if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq)))
+ if (mq && mmc_card_removed(mq->card))
return BLKPREP_KILL;
req->rq_flags |= RQF_DONTPREP;
@@ -89,6 +89,4 @@ extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
extern void mmc_queue_bounce_post(struct mmc_queue_req *);
-extern int mmc_access_rpmb(struct mmc_queue *);
-
#endif
This function is used by the block layer queue to bail out of requests if the current request is an RPMB request. However this makes no sense: RPMB is only used from ioctl():s, there are no RPMB accesses coming from the block layer. An RPMB ioctl() always switches to the RPMB partition and then back to the main partition before completing. The only (possible) use of this check must have been to duct-tape over a race between RPMB ioctl()s colliding with concurrent non-RPMB accesses to the same device. This could happen in the past because the RPMB device was created as a separate block device/disk with its own submit queue competing with the main partition, and submitting requests in parallel. This is now gone as we removed the offending RPMB block device in another patch. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- This patch is not an RFC since it is a logical consequence of the RFC patch, not really much to discuss about it. --- drivers/mmc/core/block.c | 12 ------------ drivers/mmc/core/queue.c | 2 +- drivers/mmc/core/queue.h | 2 -- 3 files changed, 1 insertion(+), 15 deletions(-) -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html