Thread (39 messages) 39 messages, 9 authors, 2016-06-12

[PATCH 1/2] clk: imx: do not sleep if IRQ's are still disabled

From: shawnguo@kernel.org (Shawn Guo)
Date: 2016-04-18 01:58:38
Also in: linux-clk, lkml

On Fri, Apr 15, 2016 at 06:00:53PM -0700, Stephen Boyd wrote:
On 01/29, Stefan Agner wrote:
quoted
If a clock gets enabled early during boot time, it can lead to a PLL
startup. The wait_lock function makes sure that the PLL is really
stareted up before it gets used. However, the function sleeps which
leads to scheduling and an error:
bad: scheduling from the idle thread!
...

Use udelay in case IRQ's are still disabled.

Signed-off-by: Stefan Agner <stefan@agner.ch>
This is really old. Shawn, are you picking these up? I'm removing
these from my queue for now.
Yes, I'm picking them up.

Shawn
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