mmc: mmc_set_data_timeout() parameter write is redundant

The write parameter in mmc_set_data_timeout() is redundant as the
data structure contains information about the direction of the
transfer.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 0da341a..9abf29f 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -229,8 +229,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                if (brq.data.blocks > card->host->max_blk_count)
                        brq.data.blocks = card->host->max_blk_count;
 
-               mmc_set_data_timeout(&brq.data, card, rq_data_dir(req) != READ);
-
                /*
                 * If the host doesn't support multiple block writes, force
                 * block writes to single block. SD cards are excepted from
@@ -261,6 +259,8 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                        brq.data.flags |= MMC_DATA_WRITE;
                }
 
+               mmc_set_data_timeout(&brq.data, card);
+
                brq.data.sg = mq->sg;
                brq.data.sg_len = mmc_queue_map_sg(mq);
 

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 63b6729..51e611f 100644 (file)
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -220,13 +220,11 @@ EXPORT_SYMBOL(mmc_wait_for_cmd);
  *     mmc_set_data_timeout - set the timeout for a data command
  *     @data: data phase for command
  *     @card: the MMC card associated with the data transfer
- *     @write: flag to differentiate reads from writes
  *
  *     Computes the data timeout parameters according to the
  *     correct algorithm given the card type.
  */
-void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card,
-                         int write)
+void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
 {
        unsigned int mult;
 
@@ -239,7 +237,7 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card,
         * Scale up the multiplier (and therefore the timeout) by
         * the r2w factor for writes.
         */
-       if (write)
+       if (data->flags & MMC_DATA_WRITE)
                mult <<= card->csd.r2w_factor;
 
        data->timeout_ns = card->csd.tacc_ns * mult;
@@ -255,7 +253,7 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card,
                timeout_us += data->timeout_clks * 1000 /
                        (card->host->ios.clock / 1000);
 
-               if (write)
+               if (data->flags & MMC_DATA_WRITE)
                        limit_us = 250000;
                else
                        limit_us = 100000;

diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 15cd575..39567f9 100644 (file)
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -214,7 +214,7 @@ int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd)
 
        sg_init_one(&sg, ext_csd, 512);
 
-       mmc_set_data_timeout(&data, card, 0);
+       mmc_set_data_timeout(&data, card);
 
        mmc_wait_for_req(card->host, &mrq);
 

diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index b4d43bd..491e030 100644 (file)
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -252,7 +252,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
 
        sg_init_one(&sg, scr, 8);
 
-       mmc_set_data_timeout(&data, card, 0);
+       mmc_set_data_timeout(&data, card);
 
        mmc_wait_for_req(card->host, &mrq);
 
@@ -302,7 +302,7 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
 
        sg_init_one(&sg, resp, 64);
 
-       mmc_set_data_timeout(&data, card, 0);
+       mmc_set_data_timeout(&data, card);
 
        mmc_wait_for_req(card->host, &mrq);
 

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index a2b7951..2a03f8b 100644 (file)
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -111,7 +111,7 @@ extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
 extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
        struct mmc_command *, int);
 
-extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int);
+extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
 
 extern void mmc_claim_host(struct mmc_host *host);
 extern void mmc_release_host(struct mmc_host *host);