Messages in this thread | | | From | David Brownell <> | Subject | Re: [rtc-linux] Re: [PATCH] rtc: Make rtc_update_irq callable with irqs enabled | Date | Fri, 24 Apr 2009 04:10:51 -0700 |
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On Friday 24 April 2009, Alessandro Zummo wrote: > I'm not tying to fix call issues or lockdep politics, > just to understand if it's possible to avoid disabling the IRQs. > > i.e., > > use spin_lock() in the IRQ handler and spin_lock_irq/irq_save > in the setup functions.
I think you're describing how the *current* scheme is supposed to work ... except that some IRQ handlers aren't calling the rtc_update_irq() routine with IRQs blocked.
Yes, that current scheme works ... modulo those buggy handlers.
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