diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r-- | drivers/mmc/mmc.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 2ba46273496b..f772df93a398 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c | |||
@@ -1106,11 +1106,29 @@ static void mmc_process_ext_csds(struct mmc_host *host) | |||
1106 | mmc_wait_for_req(host, &mrq); | 1106 | mmc_wait_for_req(host, &mrq); |
1107 | 1107 | ||
1108 | if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { | 1108 | if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { |
1109 | printk("%s: unable to read EXT_CSD, performance " | 1109 | if (card->csd.capacity == (4096 * 512)) { |
1110 | "might suffer.\n", mmc_hostname(card->host)); | 1110 | printk(KERN_ERR "%s: unable to read EXT_CSD " |
1111 | "on a possible high capacity card. " | ||
1112 | "Card will be ignored.\n", | ||
1113 | mmc_hostname(card->host)); | ||
1114 | mmc_card_set_dead(card); | ||
1115 | } else { | ||
1116 | printk(KERN_WARNING "%s: unable to read " | ||
1117 | "EXT_CSD, performance might " | ||
1118 | "suffer.\n", | ||
1119 | mmc_hostname(card->host)); | ||
1120 | } | ||
1111 | continue; | 1121 | continue; |
1112 | } | 1122 | } |
1113 | 1123 | ||
1124 | card->ext_csd.sectors = | ||
1125 | ext_csd[EXT_CSD_SEC_CNT + 0] << 0 | | ||
1126 | ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | | ||
1127 | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | | ||
1128 | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; | ||
1129 | if (card->ext_csd.sectors) | ||
1130 | mmc_card_set_blockaddr(card); | ||
1131 | |||
1114 | switch (ext_csd[EXT_CSD_CARD_TYPE]) { | 1132 | switch (ext_csd[EXT_CSD_CARD_TYPE]) { |
1115 | case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26: | 1133 | case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26: |
1116 | card->ext_csd.hs_max_dtr = 52000000; | 1134 | card->ext_csd.hs_max_dtr = 52000000; |
@@ -1499,7 +1517,8 @@ static void mmc_setup(struct mmc_host *host) | |||
1499 | mmc_send_app_op_cond(host, host->ocr | (sd2 << 30), NULL); | 1517 | mmc_send_app_op_cond(host, host->ocr | (sd2 << 30), NULL); |
1500 | } | 1518 | } |
1501 | } else { | 1519 | } else { |
1502 | mmc_send_op_cond(host, host->ocr, NULL); | 1520 | /* The extra bit indicates that we support high capacity */ |
1521 | mmc_send_op_cond(host, host->ocr | (1 << 30), NULL); | ||
1503 | } | 1522 | } |
1504 | 1523 | ||
1505 | mmc_discover_cards(host); | 1524 | mmc_discover_cards(host); |