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path: root/drivers/mmc/host/sdhci.c
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Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r--drivers/mmc/host/sdhci.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index ca87424c9c8a..2409b1fa0eb4 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1191,8 +1191,7 @@ 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)));
}
@@ -1244,6 +1243,16 @@ 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);
@@ -1268,17 +1277,6 @@ 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
@@ -2757,7 +2755,7 @@ static void sdhci_timeout_data_timer(struct timer_list *t)
* *
\*****************************************************************************/
-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) {
/*
@@ -2780,20 +2778,12 @@ 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;
}
@@ -3021,7 +3011,7 @@ 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);