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author | Matthieu CASTET <matthieu.castet@parrot.com> | 2014-08-14 16:03:17 +0200 |
---|---|---|
committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-10-11 00:08:30 +0200 |
commit | 784248a0e50058f380e87bacedf38c8eb48b5af2 (patch) | |
tree | e94b373df29932a6d9f66ae47ee904accbf10982 | |
parent | 3bec89bc10881125c5c50f9d4491df399074f523 (diff) |
sdhci : handle busy timeout irq
When we wait for busy after sending a command, if there is
a timeout, we got SDHCI_INT_DATA_TIMEOUT flags.
Before this commit we got the message :
"Got data interrupt 0x00100000 even though no data operation was in progress."
and we need to wait 10s that sdhci_timeout_timer expires.
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
(cherry picked from commit c5abd5e8998e20c2e82999670a03f26f1437d744)
-rw-r--r-- | drivers/mmc/host/sdhci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 836b0451c9e4..59d6b719b0aa 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2211,6 +2211,11 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) * above in sdhci_cmd_irq(). */ if (host->cmd && (host->cmd->flags & MMC_RSP_BUSY)) { + if (intmask & SDHCI_INT_DATA_TIMEOUT) { + host->cmd->error = -ETIMEDOUT; + tasklet_schedule(&host->finish_tasklet); + return; + } if (intmask & SDHCI_INT_DATA_END) { sdhci_finish_command(host); return; |