target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch

   1 --- a/drivers/mmc/host/sdhci.c
   2 +++ b/drivers/mmc/host/sdhci.c
   3 @@ -481,16 +481,16 @@
   4          * Controller doesn't count down when in single block mode.
   5          */
   6         if (data->blocks == 1)
   7 -               blocks = (data->error == MMC_ERR_NONE) ? 0 : 1;
   8 +               blocks = (data->error == 0) ? 0 : 1;
   9         else
  10                 blocks = readw(host->ioaddr + SDHCI_BLOCK_COUNT);
  11         data->bytes_xfered = data->blksz * (data->blocks - blocks);
  12
  13 -       if ((data->error == MMC_ERR_NONE) && blocks) {
  14 +       if (!data->error && blocks) {
  15                 printk(KERN_ERR "%s: Controller signalled completion even "
  16                         "though there were blocks left.\n",
  17                         mmc_hostname(host->mmc));
  18 -               data->error = MMC_ERR_FAILED;
  19 +               data->error = -EIO;
  20         }
  21
  22         if (data->stop) {
  23 @@ -498,7 +498,7 @@
  24                  * The controller needs a reset of internal state machines
  25                  * upon error conditions.
  26                  */
  27 -               if (data->error != MMC_ERR_NONE) {
  28 +               if (data->error) {
  29                         sdhci_reset(host, SDHCI_RESET_CMD);
  30                         sdhci_reset(host, SDHCI_RESET_DATA);
  31                 }
  32 @@ -533,7 +533,7 @@
  33                         printk(KERN_ERR "%s: Controller never released "
  34                                 "inhibit bit(s).\n", mmc_hostname(host->mmc));
  35                         sdhci_dumpregs(host);
  36 -                       cmd->error = MMC_ERR_FAILED;
  37 +                       cmd->error = -EIO;
  38                         tasklet_schedule(&host->finish_tasklet);
  39                         return;
  40                 }
  41 @@ -554,7 +554,7 @@
  42         if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
  43                 printk(KERN_ERR "%s: Unsupported response type!\n",
  44                         mmc_hostname(host->mmc));
  45 -               cmd->error = MMC_ERR_INVALID;
  46 +               cmd->error = -EINVAL;
  47                 tasklet_schedule(&host->finish_tasklet);
  48                 return;
  49         }
  50 @@ -601,7 +601,7 @@
  51                 }
  52         }
  53
  54 -       host->cmd->error = MMC_ERR_NONE;
  55 +       host->cmd->error = 0;
  56
  57         if (host->data && host->data_early)
  58                 sdhci_finish_data(host);
  59 @@ -722,7 +722,7 @@
  60         host->mrq = mrq;
  61
  62         if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) {
  63 -               host->mrq->cmd->error = MMC_ERR_TIMEOUT;
  64 +               host->mrq->cmd->error = -ENOMEDIUM;
  65                 tasklet_schedule(&host->finish_tasklet);
  66         } else
  67                 sdhci_send_command(host, mrq->cmd);
  68 @@ -831,7 +831,7 @@
  69                         sdhci_reset(host, SDHCI_RESET_CMD);
  70                         sdhci_reset(host, SDHCI_RESET_DATA);
  71
  72 -                       host->mrq->cmd->error = MMC_ERR_FAILED;
  73 +                       host->mrq->cmd->error = -ENOMEDIUM;
  74                         tasklet_schedule(&host->finish_tasklet);
  75                 }
  76         }
  77 @@ -859,9 +859,9 @@
  78          * The controller needs a reset of internal state machines
  79          * upon error conditions.
  80          */
  81 -       if ((mrq->cmd->error != MMC_ERR_NONE) ||
  82 -               (mrq->data && ((mrq->data->error != MMC_ERR_NONE) ||
  83 -               (mrq->data->stop && (mrq->data->stop->error != MMC_ERR_NONE))))) {
  84 +       if (mrq->cmd->error ||
  85 +               (mrq->data && (mrq->data->error ||
  86 +               (mrq->data->stop && mrq->data->stop->error)))) {
  87
  88                 /* Some controllers need this kick or reset won't work here */
  89                 if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
  90 @@ -906,13 +906,13 @@
  91                 sdhci_dumpregs(host);
  92
  93                 if (host->data) {
  94 -                       host->data->error = MMC_ERR_TIMEOUT;
  95 +                       host->data->error = -ETIMEDOUT;
  96                         sdhci_finish_data(host);
  97                 } else {
  98                         if (host->cmd)
  99 -                               host->cmd->error = MMC_ERR_TIMEOUT;
 100 +                               host->cmd->error = -ETIMEDOUT;
 101                         else
 102 -                               host->mrq->cmd->error = MMC_ERR_TIMEOUT;
 103 +                               host->mrq->cmd->error = -ETIMEDOUT;
 104
 105                         tasklet_schedule(&host->finish_tasklet);
 106                 }
 107 @@ -941,13 +941,12 @@
 108         }
 109
 110         if (intmask & SDHCI_INT_TIMEOUT)
 111 -               host->cmd->error = MMC_ERR_TIMEOUT;
 112 -       else if (intmask & SDHCI_INT_CRC)
 113 -               host->cmd->error = MMC_ERR_BADCRC;
 114 -       else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX))
 115 -               host->cmd->error = MMC_ERR_FAILED;
 116 +               host->cmd->error = -ETIMEDOUT;
 117 +       else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT |
 118 +                       SDHCI_INT_INDEX))
 119 +               host->cmd->error = -EILSEQ;
 120
 121 -       if (host->cmd->error != MMC_ERR_NONE)
 122 +       if (host->cmd->error)
 123                 tasklet_schedule(&host->finish_tasklet);
 124         else if (intmask & SDHCI_INT_RESPONSE)
 125                 sdhci_finish_command(host);
 126 @@ -974,13 +973,11 @@
 127         }
 128
 129         if (intmask & SDHCI_INT_DATA_TIMEOUT)
 130 -               host->data->error = MMC_ERR_TIMEOUT;
 131 -       else if (intmask & SDHCI_INT_DATA_CRC)
 132 -               host->data->error = MMC_ERR_BADCRC;
 133 -       else if (intmask & SDHCI_INT_DATA_END_BIT)
 134 -               host->data->error = MMC_ERR_FAILED;
 135 +               host->data->error = -ETIMEDOUT;
 136 +       else if (intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_END_BIT))
 137 +               host->data->error = -EILSEQ;
 138
 139 -       if (host->data->error != MMC_ERR_NONE)
 140 +       if (host->data->error)
 141                 sdhci_finish_data(host);
 142         else {
 143                 if (intmask & (SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL))
 144 @@ -1312,7 +1309,7 @@
 145         mmc->ops = &sdhci_ops;
 146         mmc->f_min = host->max_clk / 256;
 147         mmc->f_max = host->max_clk;
 148 -       mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
 149 +       mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE;
 150
 151         if (caps & SDHCI_CAN_DO_HISPD)
 152                 mmc->caps |= MMC_CAP_SD_HIGHSPEED;