diff options
Diffstat (limited to 'drivers/mmc/core/sd_ops.c')
| -rw-r--r-- | drivers/mmc/core/sd_ops.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index ee9a1b9f5998..342f340ebc25 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -21,6 +21,35 @@ #include "core.h" #include "sd_ops.h" +static int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card) +{ + int err; + struct mmc_command cmd; + + BUG_ON(!host); + BUG_ON(card && (card->host != host)); + + cmd.opcode = MMC_APP_CMD; + + if (card) { + cmd.arg = card->rca << 16; + cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; + } else { + cmd.arg = 0; + cmd.flags = MMC_RSP_R1 | MMC_CMD_BCR; + } + + err = mmc_wait_for_cmd(host, &cmd, 0); + if (err != MMC_ERR_NONE) + return err; + + /* Check that card supported application commands */ + if (!(cmd.resp[0] & R1_APP_CMD)) + return MMC_ERR_FAILED; + + return MMC_ERR_NONE; +} + /** * mmc_wait_for_app_cmd - start an application command and wait for completion @@ -77,35 +106,6 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, struct mmc_card *card, EXPORT_SYMBOL(mmc_wait_for_app_cmd); -int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card) -{ - int err; - struct mmc_command cmd; - - BUG_ON(!host); - BUG_ON(card && (card->host != host)); - - cmd.opcode = MMC_APP_CMD; - - if (card) { - cmd.arg = card->rca << 16; - cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; - } else { - cmd.arg = 0; - cmd.flags = MMC_RSP_R1 | MMC_CMD_BCR; - } - - err = mmc_wait_for_cmd(host, &cmd, 0); - if (err != MMC_ERR_NONE) - return err; - - /* Check that card supported application commands */ - if (!(cmd.resp[0] & R1_APP_CMD)) - return MMC_ERR_FAILED; - - return MMC_ERR_NONE; -} - int mmc_app_set_bus_width(struct mmc_card *card, int width) { int err; |