Commit c5abd5e8 authored Aug 14, 2014 by Matthieu CASTET Committed by Ulf Hansson Sep 09, 2014

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>

parent 6f67cc6f

drivers/mmc/host/sdhci.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2304,6 +2304,11 @@ 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;

Admin message