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path: root/drivers/mmc/imxmmc.c
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Diffstat (limited to 'drivers/mmc/imxmmc.c')
-rw-r--r--drivers/mmc/imxmmc.c13
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,