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author | Jeff Garzik <jeff@garzik.org> | 2006-05-20 00:03:38 -0400 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-05-20 00:03:38 -0400 |
commit | badc48e6605ddeeb2484afae5993c859494decaa (patch) | |
tree | 7da638f9bb53b1812b71e40ad6deca91d59ad301 /drivers/mmc/mmc.c | |
parent | 753a6c4ff4c371a3e4e3408aaba4d03f3cfde73a (diff) | |
parent | 2f880b65fdbc2d4915bddc59d75a176329570fdd (diff) | |
download | blackbird-op-linux-badc48e6605ddeeb2484afae5993c859494decaa.tar.gz blackbird-op-linux-badc48e6605ddeeb2484afae5993c859494decaa.zip |
Merge branch 'master' into upstream
Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r-- | drivers/mmc/mmc.c | 63 |
1 files changed, 41 insertions, 22 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index da6ddd910fc5..6201f3086a02 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -59,21 +59,23 @@ static const unsigned int tacc_mant[] = { /** - * mmc_request_done - finish processing an MMC command - * @host: MMC host which completed command - * @mrq: MMC request which completed + * mmc_request_done - finish processing an MMC request + * @host: MMC host which completed request + * @mrq: MMC request which request * * MMC drivers should call this function when they have completed - * their processing of a command. This should be called before the - * data part of the command has completed. + * their processing of a request. */ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) { struct mmc_command *cmd = mrq->cmd; - int err = mrq->cmd->error; - pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n", - cmd->opcode, err, cmd->resp[0], cmd->resp[1], - cmd->resp[2], cmd->resp[3]); + int err = cmd->error; + + pr_debug("%s: req done (CMD%u): %d/%d/%d: %08x %08x %08x %08x\n", + mmc_hostname(host), cmd->opcode, err, + mrq->data ? mrq->data->error : 0, + mrq->stop ? mrq->stop->error : 0, + cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]); if (err && cmd->retries) { cmd->retries--; @@ -97,8 +99,9 @@ EXPORT_SYMBOL(mmc_request_done); void mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) { - pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n", - mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags); + pr_debug("%s: starting CMD%u arg %08x flags %08x\n", + mmc_hostname(host), mrq->cmd->opcode, + mrq->cmd->arg, mrq->cmd->flags); WARN_ON(host->card_busy == NULL); @@ -312,6 +315,18 @@ void mmc_release_host(struct mmc_host *host) EXPORT_SYMBOL(mmc_release_host); +static inline void mmc_set_ios(struct mmc_host *host) +{ + struct mmc_ios *ios = &host->ios; + + pr_debug("%s: clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n", + mmc_hostname(host), ios->clock, ios->bus_mode, + ios->power_mode, ios->chip_select, ios->vdd, + ios->bus_width); + + host->ops->set_ios(host, ios); +} + static int mmc_select_card(struct mmc_host *host, struct mmc_card *card) { int err; @@ -364,7 +379,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card) } } - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); return MMC_ERR_NONE; } @@ -415,7 +430,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr) ocr = 3 << bit; host->ios.vdd = bit; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); } else { ocr = 0; } @@ -549,6 +564,7 @@ static void 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->r2w_factor = UNSTUFF_BITS(resp, 26, 3); csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4); csd->write_partial = UNSTUFF_BITS(resp, 21, 1); } else { @@ -583,6 +599,7 @@ static void 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->r2w_factor = UNSTUFF_BITS(resp, 26, 3); csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4); csd->write_partial = UNSTUFF_BITS(resp, 21, 1); } @@ -666,7 +683,7 @@ static void mmc_idle_cards(struct mmc_host *host) struct mmc_command cmd; host->ios.chip_select = MMC_CS_HIGH; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); mmc_delay(1); @@ -679,7 +696,7 @@ static void mmc_idle_cards(struct mmc_host *host) mmc_delay(1); host->ios.chip_select = MMC_CS_DONTCARE; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); mmc_delay(1); } @@ -704,13 +721,13 @@ static void mmc_power_up(struct mmc_host *host) host->ios.chip_select = MMC_CS_DONTCARE; host->ios.power_mode = MMC_POWER_UP; host->ios.bus_width = MMC_BUS_WIDTH_1; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); mmc_delay(1); host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); mmc_delay(2); } @@ -723,7 +740,7 @@ static void mmc_power_off(struct mmc_host *host) host->ios.chip_select = MMC_CS_DONTCARE; host->ios.power_mode = MMC_POWER_OFF; host->ios.bus_width = MMC_BUS_WIDTH_1; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); } static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) @@ -934,6 +951,7 @@ static void mmc_read_scrs(struct mmc_host *host) data.timeout_ns = card->csd.tacc_ns * 10; data.timeout_clks = card->csd.tacc_clks * 10; data.blksz_bits = 3; + data.blksz = 1 << 3; data.blocks = 1; data.flags = MMC_DATA_READ; data.sg = &sg; @@ -971,7 +989,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host) if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr) max_dtr = card->csd.max_dtr; - pr_debug("MMC: selected %d.%03dMHz transfer rate\n", + pr_debug("%s: selected %d.%03dMHz transfer rate\n", + mmc_hostname(host), max_dtr / 1000000, (max_dtr / 1000) % 1000); return max_dtr; @@ -1046,7 +1065,7 @@ static void mmc_setup(struct mmc_host *host) } else { host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN; host->ios.clock = host->f_min; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); /* * We should remember the OCR mask from the existing @@ -1082,7 +1101,7 @@ static void mmc_setup(struct mmc_host *host) * Ok, now switch to push-pull mode. */ host->ios.bus_mode = MMC_BUSMODE_PUSHPULL; - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); mmc_read_csds(host); @@ -1128,7 +1147,7 @@ static void mmc_rescan(void *data) * attached cards and the host support. */ host->ios.clock = mmc_calculate_clock(host); - host->ops->set_ios(host, &host->ios); + mmc_set_ios(host); } mmc_release_host(host); |