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SubjectRE: [PATCH v4 5/5] scsi: ufs: Do not free irq in suspend
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>
> If PM QoS is enabled and we set request type to PM_QOS_REQ_AFFINE_IRQ
> then freeing up the irq makes the free_irq() print out warning with call stack.
> We don't really need to free up irq during suspend, disabling it during suspend
> and reenabling it during resume should be good enough.
>
> Signed-off-by: Can Guo <cang@codeaurora.org>
Your approach seems reasonable,
However I failed to locate in the kernel PM_QOS_REQ_AFFINE_IRQ,
Just in codeaurora.

Is the WARN_ON in free_irq still applies?

Thanks,
Avri

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