Messages in this thread | | | Date | Mon, 31 Aug 2015 23:28:44 +0200 | From | Anders Roxell <> | Subject | Re: [PATCH] drivers: i2c: exynos5: irq spinlock rt-safe |
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On 2015-08-25 23:51, Thomas Gleixner wrote: > On Tue, 25 Aug 2015, Anders Roxell wrote: > > > The exynos5_i2c_message_start enables interrupts while holding the i2c > > lock which is sought by the irq handler. If an IRQ is received before > > this lock is released then a deadlock occurs. > > That's crap. The interrupt handler runs in an irq thread as RT forces > all normal interrupts to that.
You are right, I will send a v2 with a better changelog.
Cheers, Anders
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