On 12/08, Will Newton wrote: > On Thu, Dec 7, 2017 at 2:13 PM, Will Newton <will.newton@xxxxxxxxx> wrote: > > > > I think I have narrowed down the issue to the fact that the qcom_smd > > driver is not getting any interrupts. I get a channel created: > > > > [ 0.728352] smd:rpm: new channel 'rpm_requests' info-size: 88 > > fifo-size: 1024 > > [ 0.731684] smd:rpm: new channel found: 'rpm_requests' > > > > But on the first (and only) time through qcom_channel_state_worker the > > channel is in state FLUSHING so we never create a device. Any idea why > > I might not be getting any interrupts? > > > > The irq numbers etc. all look correct as far as I can tell. smem and > > tcsr-mutex also look OK. I'm not sure about apcs as I don't have clear > > documentation on what it actually entails e.g. I have SAW devices > > setup which seem to be part of APCS but not sure what else. > > Is there any potential for version skew here between the RPM processor > and Linux? I have an rpm.mbn binary but I have no idea what is in it, > I just know it works with 3.18. No, not really. This sounds like a similar problem that was seen on msm8994, but I can't recall if it was ever resolved. Maybe that was channel closing instead of flushing. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
