Messages in this thread | | | Date | Sun, 20 Sep 2015 00:33:56 +0900 | Subject | Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting | From | Kohji Okuno <> |
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From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 18 Sep 2015 16:46:24 +0200 > On Fri, 18 Sep 2015, Kohji Okuno wrote: >> >> irq thread(runs sdhci_thread_irq()) is waiting on >> drivers/mmc/core/core.c:mmc_wait_for_req_done() in order to access >> a SDIO register. And, this thread shoud be woken up from >> sdhci_irq() after the completion of the register access. >> But, since the IRQ is masked, sdhci_irq() is not called and irq >> thread can not wake up. This is root cause, I think. >> What do you think about this? > > Ah, that explains it. Let me think about it a bit. > > Thanks, > > tglx
If something is not clear please let me know. By the way, even if other issue exists, we should change irq_setup_forced_threading() as my patch, I think.
Thanks, Kohji Okuno
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