On Fri, 18 Sep 2015, Nathan Sullivan wrote: > I have noticed that doing SDIO access from the SDHCI interrupt handler, like > the ath6kl_sdio driver does, is currently broken in 4.1 RT due to d04ea10ba1ea > 'mmc: sdhci: don't provide hard irq handler'. Since the SDHCI IRQ is masked in > the threaded handler that calls the card IRQ handler, drivers cannot perform > MMC IO from their card IRQ handlers since the SDHCI driver will time out > waiting for the SDHCI hard IRQ to happen. > > Is d04ea10ba1ea a temporary hack, or should drivers be fixed to perform IO a in > a different way? That's temporary and looks not really well thought out. I have a mainline report against SDHCI + interrupt force threading as well, so I'm looking for a solution. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
