diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/imxmmc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c index b060d4bfba29..0de5c9e94e74 100644 --- a/drivers/mmc/imxmmc.c +++ b/drivers/mmc/imxmmc.c | |||
@@ -569,10 +569,12 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat) | |||
569 | 569 | ||
570 | if(host->dma_dir == DMA_FROM_DEVICE) { | 570 | if(host->dma_dir == DMA_FROM_DEVICE) { |
571 | imxmci_busy_wait_for_status(host, &stat, | 571 | imxmci_busy_wait_for_status(host, &stat, |
572 | STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE, | 572 | STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE | |
573 | STATUS_TIME_OUT_READ, | ||
573 | 50, "imxmci_cpu_driven_data read"); | 574 | 50, "imxmci_cpu_driven_data read"); |
574 | 575 | ||
575 | while((stat & (STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE)) && | 576 | while((stat & (STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE)) && |
577 | !(stat & STATUS_TIME_OUT_READ) && | ||
576 | (host->data_cnt < 512)) { | 578 | (host->data_cnt < 512)) { |
577 | 579 | ||
578 | udelay(20); /* required for clocks < 8MHz*/ | 580 | udelay(20); /* required for clocks < 8MHz*/ |
@@ -602,6 +604,12 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat) | |||
602 | if(host->dma_size & 0x1ff) | 604 | if(host->dma_size & 0x1ff) |
603 | stat &= ~STATUS_CRC_READ_ERR; | 605 | stat &= ~STATUS_CRC_READ_ERR; |
604 | 606 | ||
607 | if(stat & STATUS_TIME_OUT_READ) { | ||
608 | dev_dbg(mmc_dev(host->mmc), "imxmci_cpu_driven_data read timeout STATUS = 0x%x\n", | ||
609 | stat); | ||
610 | trans_done = -1; | ||
611 | } | ||
612 | |||
605 | } else { | 613 | } else { |
606 | imxmci_busy_wait_for_status(host, &stat, | 614 | imxmci_busy_wait_for_status(host, &stat, |
607 | STATUS_APPL_BUFF_FE, | 615 | STATUS_APPL_BUFF_FE, |
@@ -709,6 +717,9 @@ static void imxmci_tasklet_fnc(unsigned long data) | |||
709 | */ | 717 | */ |
710 | stat |= host->status_reg; | 718 | stat |= host->status_reg; |
711 | 719 | ||
720 | if(test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events)) | ||
721 | stat &= ~STATUS_CRC_READ_ERR; | ||
722 | |||
712 | if(test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) { | 723 | if(test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) { |
713 | imxmci_busy_wait_for_status(host, &stat, | 724 | imxmci_busy_wait_for_status(host, &stat, |
714 | STATUS_END_CMD_RESP | STATUS_ERR_MASK, | 725 | STATUS_END_CMD_RESP | STATUS_ERR_MASK, |