Re: [PATCH v2 2/5] spi: spi-fsl-dspi: Exit the ISR with IRQ_NONE when it's not ours
From: Vladimir Oltean
Date: Fri Aug 23 2019 - 06:30:42 EST
On Fri, 23 Aug 2019 at 13:28, Mark Brown <broonie@xxxxxxxxxx> wrote:
> On Fri, Aug 23, 2019 at 12:15:11AM +0300, Vladimir Oltean wrote:
> > The DSPI interrupt can be shared between two controllers at least on the
> > LX2160A. In that case, the driver for one controller might misbehave and
> > consume the other's interrupt. Fix this by actually checking if any of
> > the bits in the status register have been asserted.
> It would be better to have done this as the first patch before
> the restructuring, that way we could send this as a fix - the
> refactoring while good doesn't really fit with stable.
Did you see this?