[BUG] Rockchip SPI: Runtime PM usage count underflow!

[Vicente Bergas]

On Sun, Aug 18, 2024 at 8:26 PM Dragan Simic <dsimic at manjaro.org> wrote:
>
> Hello Vincente,
>
> On 2024-08-18 20:13, Vicente Bergas wrote:
> > i am a user of the CONFIG_SPI_SPIDEV device.
> > It stopped working between 6.8 and 6.10.5.
> > The SPI bus itself reports no errors to userspace, but no devices
> > appear connected to the bus.
> > The platform used is RK3328.
> > The only spi-related message in dmesg is:
> > rockchip-spi ff190000.spi: Runtime PM usage count underflow!
>
> I'm working on a related patch.  Could you, please, describe your
> use case for the spidev driver, i.e. what board are you using it on,
> and for what purpose?

The board is ROCK64 and the purpose is to update all the software that
board runs, which is stored on the SPI NOR flash onboard.

I have not tested this kernel version on RK3399, but it may also
affect that other use case:
https://gitlab.com/vicencb/kevinboot

N.B.: My name is Vicente.