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SubjectRe: [PATCH] drivers: i2c: exynos5: irq spinlock rt-safe
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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