diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 96004c9fe3a..a7ee5027146 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -1729,17 +1729,9 @@ static irqreturn_t atmci_interrupt(int irq, void *dev_id) tasklet_schedule(&host->tasklet); } - if (pending & ATMCI_ENDTX) { - atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); - if (host->data_size) { - atmci_pdc_set_single_buf(host, - XFER_TRANSMIT, PDC_SECOND_BUF); - atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); - } - } - if (pending & ATMCI_TXBUFE) { atmci_writel(host, ATMCI_IDR, ATMCI_TXBUFE); + atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); /* * We can receive this interruption before having configured * the second pdc buffer, so we need to reconfigure first and @@ -1747,24 +1739,24 @@ static irqreturn_t atmci_interrupt(int irq, void *dev_id) */ if (host->data_size) { atmci_pdc_set_both_buf(host, XFER_TRANSMIT); + atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); atmci_writel(host, ATMCI_IER, ATMCI_TXBUFE); } else { atmci_pdc_complete(host); } - } - - if (pending & ATMCI_ENDRX) { - atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); + } else if (pending & ATMCI_ENDTX) { + atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); if (host->data_size) { atmci_pdc_set_single_buf(host, - XFER_RECEIVE, PDC_SECOND_BUF); - atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); + XFER_TRANSMIT, PDC_SECOND_BUF); + atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); } } if (pending & ATMCI_RXBUFF) { atmci_writel(host, ATMCI_IDR, ATMCI_RXBUFF); + atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); /* * We can receive this interruption before having configured * the second pdc buffer, so we need to reconfigure first and @@ -1772,12 +1764,22 @@ static irqreturn_t atmci_interrupt(int irq, void *dev_id) */ if (host->data_size) { atmci_pdc_set_both_buf(host, XFER_RECEIVE); + atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); atmci_writel(host, ATMCI_IER, ATMCI_RXBUFF); } else { atmci_pdc_complete(host); } + } else if (pending & ATMCI_ENDRX) { + atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); + + if (host->data_size) { + atmci_pdc_set_single_buf(host, + XFER_RECEIVE, PDC_SECOND_BUF); + atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); + } } + if (pending & ATMCI_NOTBUSY) { atmci_writel(host, ATMCI_IDR, ATMCI_DATA_ERROR_FLAGS | ATMCI_NOTBUSY); |