Messages in this thread | | | Subject | Re: [PATCH v5 6/6] irqchip: qcom-pdc: Reset PDC interrupts during init | From | Stephen Boyd <> | Date | Tue, 25 Aug 2020 03:14:08 -0700 |
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Quoting Maulik Shah (2020-08-22 09:17:01) > Kexec can directly boot into a new kernel without going to complete > reboot. This can leave the previous kernel's configuration for PDC > interrupts as is. > > Clear previous kernel's configuration during init by setting interrupts > in enable bank to zero. The IRQs specified in qcom,pdc-ranges property > are the only ones that can be used by the new kernel so clear only those > IRQs. The remaining ones may be in use by a different kernel and should > not be set by new kernel.
Presumably they're not in use anymore if the kernel has been kexeced and replaced this one?
> > Suggested-by: Stephen Boyd <swboyd@chromium.org> > Signed-off-by: Maulik Shah <mkshah@codeaurora.org> > ---
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
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