target/linux/avr32/patches/120-fast_sd_cards_fix.patch

   1 --- a/drivers/mmc/host/atmel-mci.c
   2 +++ b/drivers/mmc/host/atmel-mci.c
   3 @@ -77,6 +77,7 @@ struct atmel_mci {
   4         struct clk              *mck;
   5         struct platform_device  *pdev;
   6
   7 +       int pending_stop;
   8  #ifdef CONFIG_DEBUG_FS
   9         struct dentry           *debugfs_root;
  10         struct dentry           *debugfs_regs;
  11 @@ -866,6 +867,12 @@ static void atmci_tasklet_func(unsigned long priv)
  12                 data->bytes_xfered = data->blocks * data->blksz;
  13                 atmci_data_complete(host, data);
  14         }
  15 +       /* See if there is a pending STOP which can be sent */
  16 +       if (host->pending_stop && mci_cmd_is_complete(host)) {
  17 +               host->pending_stop = 0;
  18 +               if (mrq->stop && !mci_set_stop_sent_is_completed(host))
  19 +                       send_stop_cmd(host->mmc, mrq->data, 0);
  20 +       }
  21  }
  22
  23  static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status)
  24 @@ -918,9 +925,16 @@ static void atmci_xfer_complete(struct dma_request *_req)
  25          * drivers) or when interrupts are disabled for a long time.
  26          */
  27         mci_set_dma_complete(host);
  28 -       if (data->stop && mci_cmd_is_complete(host)
  29 -                       && !mci_set_stop_sent_is_completed(host))
  30 -               send_stop_cmd(host->mmc, data, 0);
  31 +
  32 +       if (data->stop) {
  33 +               if (!mci_cmd_is_complete(host)) {
  34 +                       /* Just remember a STOP must be sent */
  35 +                       host->pending_stop = 1;
  36 +               } else if (!mci_set_stop_sent_is_completed(host)) {
  37 +                       send_stop_cmd(host->mmc, data, 0);
  38 +                       host->pending_stop = 0;
  39 +               }
  40 +       }
  41
  42         /*
  43          * Regardless of what the documentation says, we have to wait