diff options
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 6da19c15d73b..2f4a62ffb22d 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1438,7 +1438,7 @@ static void dw_mci_pull_data(struct dw_mci *host, void *buf, int cnt) host->pull_data(host, buf, cnt); } -static void dw_mci_read_data_pio(struct dw_mci *host) +static void dw_mci_read_data_pio(struct dw_mci *host, bool dto) { struct sg_mapping_iter *sg_miter = &host->sg_miter; void *buf; @@ -1473,7 +1473,9 @@ static void dw_mci_read_data_pio(struct dw_mci *host) sg_miter->consumed = offset; status = mci_readl(host, MINTSTS); mci_writel(host, RINTSTS, SDMMC_INT_RXDR); - } while (status & SDMMC_INT_RXDR); /*if the RXDR is ready read again*/ + /* if the RXDR is ready read again */ + } while ((status & SDMMC_INT_RXDR) || + (dto && SDMMC_GET_FCNT(mci_readl(host, STATUS)))); data->bytes_xfered += nbytes; if (!remain) { @@ -1605,7 +1607,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) smp_wmb(); if (host->dir_status == DW_MCI_RECV_STATUS) { if (host->sg != NULL) - dw_mci_read_data_pio(host); + dw_mci_read_data_pio(host, true); } set_bit(EVENT_DATA_COMPLETE, &host->pending_events); tasklet_schedule(&host->tasklet); @@ -1614,7 +1616,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) if (pending & SDMMC_INT_RXDR) { mci_writel(host, RINTSTS, SDMMC_INT_RXDR); if (host->dir_status == DW_MCI_RECV_STATUS && host->sg) - dw_mci_read_data_pio(host); + dw_mci_read_data_pio(host, false); } if (pending & SDMMC_INT_TXDR) { |