diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index bccfd1858b08..aaed7687cf09 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1958,6 +1958,20 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen) } EXPORT_SYMBOL(mmc_set_blocklen); +int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount, + bool is_rel_write) +{ + struct mmc_command cmd = {0}; + + cmd.opcode = MMC_SET_BLOCK_COUNT; + cmd.arg = blockcount & 0x0000FFFF; + if (is_rel_write) + cmd.arg |= 1 << 31; + cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC; + return mmc_wait_for_cmd(card->host, &cmd, 5); +} +EXPORT_SYMBOL(mmc_set_blockcount); + static void mmc_hw_reset_for_init(struct mmc_host *host) { if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset) |