Re: [PATCH] mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.

[Paul Burton]

Hello,

Yifeng Li wrote:
> Timekeeping IRQs from CS5536 MFGPT are routed to i8259, which then
> triggers the "cascade" IRQ on MIPS CPU. Without IRQF_NO_SUSPEND in
> cascade_irqaction, MFGPT interrupts will be masked in suspend mode,
> and the machine would be unable to resume once suspended.
> 
> Previously, MIPS IRQs were not disabled properly, so the original
> code appeared to work. Commit a3e6c1eff5 (MIPS: IRQ: Fix disable_irq
> on CPU IRQs) uncovers the bug. To fix it, add IRQF_NO_SUSPEND to
> cascade_irqaction.
> 
> This commit is functionally identical to 0add9c2f1cff ("MIPS:
> Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction"), but it forgot
> to apply the same fix to Loongson2.
> 
> Signed-off-by: Yifeng Li <tomli@xxxxxxxx>

Applied to mips-fixes.

Thanks,
    Paul

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