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Merge "mmc: core: prefer SDR50 mode over DDR50 for SD card"

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Linux Build Service Account 2017-04-04 20:07:31 -07:00 • committed by Gerrit - the friendly Code Review server
commit 617c68c493
1 changed files with 8 additions and 8 deletions
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16
drivers/mmc/core/sd.c
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@ -433,26 +433,26 @@ static void sd_update_bus_speed_mode(struct mmc_card *card)
if ((card->host->caps & MMC_CAP_UHS_SDR104) &&
(card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104) &&
(card->host->f_max > UHS_SDR104_MIN_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) &&
(card->host->f_max > UHS_DDR50_MIN_DTR)) {
card->sd_bus_speed = UHS_DDR50_BUS_SPEED;
card->sd_bus_speed = UHS_SDR104_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) &&
(card->host->f_max > UHS_SDR50_MIN_DTR)) {
card->sd_bus_speed = UHS_SDR50_BUS_SPEED;
card->sd_bus_speed = UHS_SDR50_BUS_SPEED;
} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&
(card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50) &&
(card->host->f_max > UHS_DDR50_MIN_DTR)) {
card->sd_bus_speed = UHS_DDR50_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) &&
(card->host->f_max > UHS_SDR25_MIN_DTR)) {
card->sd_bus_speed = UHS_SDR25_BUS_SPEED;
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 &
SD_MODE_UHS_SDR12)) {
card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
}
}