diff mbox

[04/13] mmc: block: Fix error recovery stop cmd timeout calculation

Message ID 1411381064-1703-5-git-send-email-adrian.hunter@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Adrian Hunter Sept. 22, 2014, 10:17 a.m. UTC 
Data timeout has two components: one in nanoseconds
and one in clock cycles.  Clock cycles were not being
added when using the data timeout for the error
recovery stop cmd timeout.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 drivers/mmc/card/block.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 5d27997..c3770dd 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -945,9 +945,19 @@  static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 	 */
 	if (R1_CURRENT_STATE(status) == R1_STATE_DATA ||
 	    R1_CURRENT_STATE(status) == R1_STATE_RCV) {
-		err = send_stop(card,
-			DIV_ROUND_UP(brq->data.timeout_ns, 1000000),
-			req, gen_err, &stop_status);
+		unsigned int timeout_ms, clock;
+
+		timeout_ms = DIV_ROUND_UP(brq->data.timeout_ns, 1000000);
+		if (brq->data.timeout_clks) {
+			clock = card->host->actual_clock;
+			if (!clock)
+				clock = card->host->ios.clock;
+			if (clock) {
+				clock = DIV_ROUND_UP(clock, 1000);
+				timeout_ms += brq->data.timeout_clks / clock;
+			}
+		}
+		err = send_stop(card, timeout_ms, req, gen_err, &stop_status);
 		if (err) {
 			pr_err("%s: error %d sending stop command\n",
 			       req->rq_disk->disk_name, err);