Messages in this thread | | | From | Andy Shevchenko <> | Date | Wed, 7 Jul 2021 15:52:07 +0300 | Subject | Re: [PATCH v4] tty: serial: jsm: allocate queue buffer at probe time |
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On Wed, Jul 7, 2021 at 10:50 AM Jiri Slaby <jirislaby@kernel.org> wrote: > On 05. 07. 21, 14:53, Zheyu Ma wrote:
> So how it comes an interrupt came before > neo_param() in jsm_tty_open was called?
If IRQ is shared we have a special debug feature to test shared IRQs on freeing IRQ stage (*). But it doesn't matter, the IRQ handler must survive at any stage after the action has been listed.
*) I believe we have quite a lot of drivers that will fail that test...
-- With Best Regards, Andy Shevchenko
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