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mmc: sdio: print correct UHS mode during card detection

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When SDIO3.0 card is detected, incorrect bus speed mode
is printed as part of card detection print in kernel logs.

This change fixes it so that user won't be confused by
looking at incorrect card detection message in logs.

Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Tested-by: Jackey Shen <Jackey.Shen@amd.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Subhash Jadavani 2012-12-04 17:06:20 +05:30 committed by Chris Ball
parent 56475a1d54
commit 033631b715
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/core/sdio.c
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@ -485,23 +485,27 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card)
bus_speed = SDIO_SPEED_SDR104;
timing = MMC_TIMING_UHS_SDR104;
card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;
card->sd_bus_speed = UHS_SDR104_BUS_SPEED;
} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&
(card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {
bus_speed = SDIO_SPEED_DDR50;
timing = MMC_TIMING_UHS_DDR50;
card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;
card->sd_bus_speed = UHS_DDR50_BUS_SPEED;
} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &
SD_MODE_UHS_SDR50)) {
bus_speed = SDIO_SPEED_SDR50;
timing = MMC_TIMING_UHS_SDR50;
card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;
card->sd_bus_speed = UHS_SDR50_BUS_SPEED;
} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25)) &&
(card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {
bus_speed = SDIO_SPEED_SDR25;
timing = MMC_TIMING_UHS_SDR25;
card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;
card->sd_bus_speed = UHS_SDR25_BUS_SPEED;
} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25 |
MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &
@ -509,6 +513,7 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card)
bus_speed = SDIO_SPEED_SDR12;
timing = MMC_TIMING_UHS_SDR12;
card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;
card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
}
err = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_SPEED, 0, &speed);