diff options
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 40 |
1 files changed, 15 insertions, 25 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 0edcc2763f3c..2d59b0389567 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1002,8 +1002,7 @@ static bool sdhci_needs_reset(struct sdhci_host *host, struct mmc_request *mrq) return (!(host->flags & SDHCI_DEVICE_DEAD) && ((mrq->cmd && mrq->cmd->error) || (mrq->sbc && mrq->sbc->error) || - (mrq->data && ((mrq->data->error && !mrq->data->stop) || - (mrq->data->stop && mrq->data->stop->error))) || + (mrq->data && mrq->data->stop && mrq->data->stop->error) || (host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST))); } @@ -1055,6 +1054,16 @@ static void sdhci_finish_data(struct sdhci_host *host) host->data = NULL; host->data_cmd = NULL; + /* + * The controller needs a reset of internal state machines upon error + * conditions. + */ + if (data->error) { + if (!host->cmd || host->cmd == data_cmd) + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); + } + if ((host->flags & (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA)) == (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA)) sdhci_adma_table_post(host, data); @@ -1079,17 +1088,6 @@ static void sdhci_finish_data(struct sdhci_host *host) if (data->stop && (data->error || !data->mrq->sbc)) { - - /* - * The controller needs a reset of internal state machines - * upon error conditions. - */ - if (data->error) { - if (!host->cmd || host->cmd == data_cmd) - sdhci_do_reset(host, SDHCI_RESET_CMD); - sdhci_do_reset(host, SDHCI_RESET_DATA); - } - /* * 'cap_cmd_during_tfr' request must not use the command line * after mmc_command_done() has been called. It is upper layer's @@ -2560,7 +2558,7 @@ static void sdhci_timeout_data_timer(unsigned long data) * * \*****************************************************************************/ -static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) +static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p) { if (!host->cmd) { /* @@ -2583,20 +2581,12 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) else host->cmd->error = -EILSEQ; - /* - * If this command initiates a data phase and a response - * CRC error is signalled, the card can start transferring - * data - the card may have received the command without - * error. We must not terminate the mmc_request early. - * - * If the card did not receive the command or returned an - * error which prevented it sending data, the data phase - * will time out. - */ + /* Treat data command CRC error the same as data CRC error */ if (host->cmd->data && (intmask & (SDHCI_INT_CRC | SDHCI_INT_TIMEOUT)) == SDHCI_INT_CRC) { host->cmd = NULL; + *intmask_p |= SDHCI_INT_DATA_CRC; return; } @@ -2824,7 +2814,7 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id) } if (intmask & SDHCI_INT_CMD_MASK) - sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); + sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, &intmask); if (intmask & SDHCI_INT_DATA_MASK) sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); |