diff options
Diffstat (limited to 'drivers/mmc/core/sd.c')
| -rw-r--r-- | drivers/mmc/core/sd.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 0c44510bf717..d90a6de7901d 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -127,6 +127,7 @@ static int mmc_decode_csd(struct mmc_card *card) csd->read_partial = UNSTUFF_BITS(resp, 79, 1); csd->write_misalign = UNSTUFF_BITS(resp, 78, 1); csd->read_misalign = UNSTUFF_BITS(resp, 77, 1); + csd->dsr_imp = UNSTUFF_BITS(resp, 76, 1); csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3); csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4); csd->write_partial = UNSTUFF_BITS(resp, 21, 1); @@ -228,8 +229,8 @@ static int mmc_read_ssr(struct mmc_card *card) u32 *ssr; if (!(card->csd.cmdclass & CCC_APP_SPEC)) { - pr_warning("%s: card lacks mandatory SD Status " - "function.\n", mmc_hostname(card->host)); + pr_warn("%s: card lacks mandatory SD Status function\n", + mmc_hostname(card->host)); return 0; } @@ -239,8 +240,8 @@ static int mmc_read_ssr(struct mmc_card *card) err = mmc_app_sd_status(card, ssr); if (err) { - pr_warning("%s: problem reading SD Status " - "register.\n", mmc_hostname(card->host)); + pr_warn("%s: problem reading SD Status register\n", + mmc_hostname(card->host)); err = 0; goto out; } @@ -264,8 +265,8 @@ static int mmc_read_ssr(struct mmc_card *card) card->ssr.erase_offset = eo * 1000; } } else { - pr_warning("%s: SD Status: Invalid Allocation Unit size.\n", - mmc_hostname(card->host)); + pr_warn("%s: SD Status: Invalid Allocation Unit size\n", + mmc_hostname(card->host)); } } out: @@ -285,8 +286,7 @@ static int mmc_read_switch(struct mmc_card *card) return 0; if (!(card->csd.cmdclass & CCC_SWITCH)) { - pr_warning("%s: card lacks mandatory switch " - "function, performance might suffer.\n", + pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", mmc_hostname(card->host)); return 0; } @@ -315,7 +315,7 @@ static int mmc_read_switch(struct mmc_card *card) if (err != -EINVAL && err != -ENOSYS && err != -EFAULT) goto out; - pr_warning("%s: problem reading Bus Speed modes.\n", + pr_warn("%s: problem reading Bus Speed modes\n", mmc_hostname(card->host)); err = 0; @@ -371,8 +371,7 @@ int mmc_sd_switch_hs(struct mmc_card *card) goto out; if ((status[16] & 0xF) != 1) { - pr_warning("%s: Problem switching card " - "into high-speed mode!\n", + pr_warn("%s: Problem switching card into high-speed mode!\n", mmc_hostname(card->host)); err = 0; } else { @@ -439,7 +438,7 @@ static int sd_select_driver_type(struct mmc_card *card, u8 *status) return err; if ((status[15] & 0xF) != drive_strength) { - pr_warning("%s: Problem setting drive strength!\n", + pr_warn("%s: Problem setting drive strength!\n", mmc_hostname(card->host)); return 0; } @@ -517,7 +516,7 @@ static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) return err; if ((status[16] & 0xF) != card->sd_bus_speed) - pr_warning("%s: Problem setting bus speed mode!\n", + pr_warn("%s: Problem setting bus speed mode!\n", mmc_hostname(card->host)); else { mmc_set_timing(card->host, timing); @@ -597,7 +596,7 @@ static int sd_set_current_limit(struct mmc_card *card, u8 *status) return err; if (((status[15] >> 4) & 0x0F) != current_limit) - pr_warning("%s: Problem setting current limit!\n", + pr_warn("%s: Problem setting current limit!\n", mmc_hostname(card->host)); } @@ -726,8 +725,7 @@ int mmc_sd_get_cid(struct mmc_host *host, u32 ocr, u32 *cid, u32 *rocr) try_again: if (!retries) { ocr &= ~SD_OCR_S18R; - pr_warning("%s: Skipping voltage switch\n", - mmc_hostname(host)); + pr_warn("%s: Skipping voltage switch\n", mmc_hostname(host)); } /* @@ -871,9 +869,7 @@ int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, } if (ro < 0) { - pr_warning("%s: host does not " - "support reading read-only " - "switch. assuming write-enable.\n", + pr_warn("%s: host does not support reading read-only switch, assuming write-enable\n", mmc_hostname(host)); } else if (ro > 0) { mmc_card_set_readonly(card); @@ -954,6 +950,13 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, } /* + * handling only for cards supporting DSR and hosts requesting + * DSR configuration + */ + if (card->csd.dsr_imp && host->dsr_req) + mmc_set_dsr(host); + + /* * Select card, as all following commands rely on that. */ if (!mmc_host_is_spi(host)) { |