Re: [PATCH] staging: greybus: move to use request_irq by IRQF_NO_AUTOEN flag

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在 2021/4/7 16:40, Greg KH 写道:
On Wed, Apr 07, 2021 at 04:29:59PM +0800, tiantao (H) wrote:
在 2021/4/7 16:22, Greg KH 写道:
On Wed, Apr 07, 2021 at 02:50:03PM +0800, Tian Tao wrote:
disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable because of requesting.

this patch is made base on "add IRQF_NO_AUTOEN for request_irq" which
is being merged: https://lore.kernel.org/patchwork/patch/1388765/
Can you wait until that is merged before sending this out to us as we
can't do anything until then.
this is already in linux-next.git.

cbe16f3 genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()
That's great, but note that linux-next is a combined tree of all
subsystem trees.  It's impossible for a subsystem tree to include
linux-next :)
Maybe you can referencethis tag https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/tag/?h=irq-no-autoen-2021-03-25

So how about we wait until this gets into Linus's tree so that we do not
all suddenly get problems in our individual subsystem trees.

thanks,

greg k-h
.






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