Re: [PATCH] soc: qcom: Add irq clear handling during SE init

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

On Wed, Oct 3, 2018 at 5:24 AM Alok Chauhan <alokc@xxxxxxxxxxxxxx> wrote:
>
> when the kernel inits a SE, its quite possible we have pending interrupts
> from bootloaders which did not handle/clear them. So do this in kernel at
> the SE init, to avoid some of it causing bad behavior, while at it also
> club all the register writes needed to clear the se irqs into a function
> to avoid repeating it over.
>
> Signed-off-by: Alok Chauhan <alokc@xxxxxxxxxxxxxx>
> ---
>  drivers/soc/qcom/qcom-geni-se.c | 25 +++++++++++++------------
>  1 file changed, 13 insertions(+), 12 deletions(-)

This looks fine to me.  To clarify this doesn't fix any known issues
and it just fixes the theoretical case where somehow a IRQ was sitting
around (maybe left by the firmware) so we want to make really certain
that we start with a clean state at init time.

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux