Re: [PATCH 1/4] spi: spi-qcom-qspi: Ignore disabled interrupts' status in isr

[Doug Anderson <dianders@xxxxxxxxxxxx>]

Hi,

On Tue, Jul 25, 2023 at 4:48 AM Vijaya Krishna Nivarthi
<quic_vnivarth@xxxxxxxxxxx> wrote:
>
> During FIFO/DMA modes dynamic switching, only corresponding interrupts are
> enabled. However its possible that FIFO related interrupt status registers
> get set during DMA mode. For example WR_FIFO_EMPTY bit is set during DMA
> TX.
>
> Ignore such status bits so that they don't trip unwanted operations.
>
> Suggested-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@xxxxxxxxxxx>
> ---
>  drivers/spi/spi-qcom-qspi.c | 3 +++
>  1 file changed, 3 insertions(+)

Things are pretty broken without this fix, so it definitely needs a
Fixes tag so it can find its way to mainline as soon as possible:

Fixes: b5762d95607e ("spi: spi-qcom-qspi: Add DMA mode support")

Looks good to me and also works fixes the problem for me. Thus I'm
happy with any of these tags:

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Tested-by: Douglas Anderson <dianders@xxxxxxxxxxxx>