mmc: core: Rename erase_timeout to cmd_timeout_ms.

Renames erase_timeout to cmd_timeout_ms inside struct mmc_command.
First step to making host honor timeouts for non-data-transfer
commands. Cleans up erase timeout code.

Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index c2350e4..5178d5d 100644 (file)
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1187,9 +1187,8 @@ void mmc_init_erase(struct mmc_card *card)
        }
 }
 
-static void mmc_set_mmc_erase_timeout(struct mmc_card *card,
-                                     struct mmc_command *cmd,
-                                     unsigned int arg, unsigned int qty)
+static unsigned int mmc_mmc_erase_timeout(struct mmc_card *card,
+                                         unsigned int arg, unsigned int qty)
 {
        unsigned int erase_timeout;
 
@@ -1246,38 +1245,42 @@ static void mmc_set_mmc_erase_timeout(struct mmc_card *card,
        if (mmc_host_is_spi(card->host) && erase_timeout < 1000)
                erase_timeout = 1000;
 
-       cmd->erase_timeout = erase_timeout;
+       return erase_timeout;
 }
 
-static void mmc_set_sd_erase_timeout(struct mmc_card *card,
-                                    struct mmc_command *cmd, unsigned int arg,
-                                    unsigned int qty)
+static unsigned int mmc_sd_erase_timeout(struct mmc_card *card,
+                                        unsigned int arg,
+                                        unsigned int qty)
 {
+       unsigned int erase_timeout;
+
        if (card->ssr.erase_timeout) {
                /* Erase timeout specified in SD Status Register (SSR) */
-               cmd->erase_timeout = card->ssr.erase_timeout * qty +
-                                    card->ssr.erase_offset;
+               erase_timeout = card->ssr.erase_timeout * qty +
+                               card->ssr.erase_offset;
        } else {
                /*
                 * Erase timeout not specified in SD Status Register (SSR) so
                 * use 250ms per write block.
                 */
-               cmd->erase_timeout = 250 * qty;
+               erase_timeout = 250 * qty;
        }
 
        /* Must not be less than 1 second */
-       if (cmd->erase_timeout < 1000)
-               cmd->erase_timeout = 1000;
+       if (erase_timeout < 1000)
+               erase_timeout = 1000;
+
+       return erase_timeout;
 }
 
-static void mmc_set_erase_timeout(struct mmc_card *card,
-                                 struct mmc_command *cmd, unsigned int arg,
-                                 unsigned int qty)
+static unsigned int mmc_erase_timeout(struct mmc_card *card,
+                                     unsigned int arg,
+                                     unsigned int qty)
 {
        if (mmc_card_sd(card))
-               mmc_set_sd_erase_timeout(card, cmd, arg, qty);
+               return mmc_sd_erase_timeout(card, arg, qty);
        else
-               mmc_set_mmc_erase_timeout(card, cmd, arg, qty);
+               return mmc_mmc_erase_timeout(card, arg, qty);
 }
 
 static int mmc_do_erase(struct mmc_card *card, unsigned int from,
@@ -1351,7 +1354,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
        cmd.opcode = MMC_ERASE;
        cmd.arg = arg;
        cmd.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
-       mmc_set_erase_timeout(card, &cmd, arg, qty);
+       cmd.cmd_timeout_ms = mmc_erase_timeout(card, arg, qty);
        err = mmc_wait_for_cmd(card->host, &cmd, 0);
        if (err) {
                printk(KERN_ERR "mmc_erase: erase error %d, status %#x\n",

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 07f27af..811e96e 100644 (file)
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -92,7 +92,7 @@ struct mmc_command {
  *              actively failing requests
  */
 
-       unsigned int            erase_timeout;  /* in milliseconds */
+       unsigned int            cmd_timeout_ms; /* in milliseconds */
 
        struct mmc_data         *data;          /* data segment associated with cmd */
        struct mmc_request      *mrq;           /* associated request */