Re: [PATCH v4 03/13] clk: at91: remove IRQ handling and use polling
From: Stephen Boyd
Date: Thu Jan 28 2016 - 03:31:19 EST
On 01/27, Alexandre Belloni wrote:
> The AT91 clock drivers make use of IRQs to avoid polling when waiting for
> some clocks to be enabled. Unfortunately, this leads to a crash when those
> IRQs are threaded (which happens when using preempt-rt) because they are
> registered before thread creation is possible.
> Use polling on those clocks instead to avoid the problem.
> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project