On 14/03/12 10:52, Alexander Stein wrote: > When using MSI it is possible that a new MSI is sent while an earlier > MSI is currently handled. In this case SDHCI_INT_STATUS only contains > SDHCI_INT_RESPONSE and the ISR would not be called again. But at the end > of the ISR SDHCI_INT_DATA_END is now also pending which would be ignored. > > Fix this by rereading the interrupt flags in the ISR until no interrupt > we care is pending. > > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx> > --- > Changes in v2: > * rearranged code a bit and added a maximum loop counter as suggested > by Adrian > > drivers/mmc/host/sdhci.c | 19 ++++++++++++------- > 1 files changed, 12 insertions(+), 7 deletions(-) Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
