[MMC] Cleanup 385e3227d4d83ab13d7767c4bb3593b0256bf246

Rather than having two places which independently calculate the
timeout for data transfers, make it a library function instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 1 insertions, 34 deletions

diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 515fb227eba7..d6fcc467b503 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -179,40 +179,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                 brq.stop.arg = 0;
                 brq.stop.flags = MMC_RSP_R1B | MMC_CMD_AC;
 
-                brq.data.timeout_ns = card->csd.tacc_ns * 10;
-                brq.data.timeout_clks = card->csd.tacc_clks * 10;
-
-                /*
-                 * Scale up the timeout by the r2w factor
-                 */
-                if (rq_data_dir(req) == WRITE) {
-                        brq.data.timeout_ns <<= card->csd.r2w_factor;
-                        brq.data.timeout_clks <<= card->csd.r2w_factor;
-                }
-
-                /*
-                 * SD cards use a 100 multiplier and has a upper limit
-                 */
-                if (mmc_card_sd(card)) {
-                        unsigned int limit_us, timeout_us;
-
-                        brq.data.timeout_ns *= 10;
-                        brq.data.timeout_clks *= 10;
-
-                        if (rq_data_dir(req) == READ)
-                                limit_us = 100000;
-                        else
-                                limit_us = 250000;
-
-                        timeout_us = brq.data.timeout_ns / 1000;
-                        timeout_us += brq.data.timeout_clks * 1000 /
-                                (card->host->ios.clock / 1000);
-
-                        if (timeout_us > limit_us) {
-                                brq.data.timeout_ns = limit_us * 1000;
-                                brq.data.timeout_clks = 0;
-                        }
-                }
+                mmc_set_data_timeout(&brq.data, card, rq_data_dir(req) != READ);
 
                 if (rq_data_dir(req) == READ) {
                         brq.cmd.opcode = brq.data.blocks > 1 ? MMC_READ_MULTIPLE_BLOCK : MMC_READ_SINGLE_BLOCK;