omap_hsmmc: avoid requesting dma repeatedly

[pandora-kernel.git] / drivers / mmc / host / mmci.c

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 50b5f99..0726e59 100644 (file)
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -675,7 +675,8 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
              unsigned int status)
 {
        /* First check for errors */
-       if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+       if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
+                     MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
                u32 remain, success;
 
                /* Terminate the DMA transfer */
@@ -754,8 +755,12 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
        }
 
        if (!cmd->data || cmd->error) {
-               if (host->data)
+               if (host->data) {
+                       /* Terminate the DMA transfer */
+                       if (dma_inprogress(host))
+                               mmci_dma_data_error(host);
                        mmci_stop_data(host);
+               }
                mmci_request_end(host, cmd->mrq);
        } else if (!(cmd->data->flags & MMC_DATA_READ)) {
                mmci_start_data(host, cmd->data);
@@ -955,8 +960,9 @@ static irqreturn_t mmci_irq(int irq, void *dev_id)
                dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status);
 
                data = host->data;
-               if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|
-                             MCI_RXOVERRUN|MCI_DATAEND|MCI_DATABLOCKEND) && data)
+               if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
+                             MCI_TXUNDERRUN|MCI_RXOVERRUN|MCI_DATAEND|
+                             MCI_DATABLOCKEND) && data)
                        mmci_data_irq(host, data, status);
 
                cmd = host->cmd;