Re: [PATCH 4.19 21/38] spi: fsl-espi: Only process interrupts for expected events

[Pavel Machek]

Hi!

> [ Upstream commit b867eef4cf548cd9541225aadcdcee644669b9e1 ]
> 
> The SPIE register contains counts for the TX FIFO so any time the irq
> handler was invoked we would attempt to process the RX/TX fifos. Use the
> SPIM value to mask the events so that we only process interrupts that
> were expected.
> 
> This was a latent issue exposed by commit 3282a3da25bd ("powerpc/64:
> Implement soft interrupt replay in C").

We don't seem to have commit 3282... in 4.19, so we don't need this
one in 4.19-stable according to the changelog.

Best regards,
								Pavel

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