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

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Message-ID: <20160612122425.GG32690@shlinux2>
Date:	Sun, 12 Jun 2016 20:24:25 +0800
From:	Dong Aisheng <dongas86@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Shawn Guo <shawnguo@...nel.org>,
	Lucas Stach <l.stach@...gutronix.de>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stefan Agner <stefan@...er.ch>, mingo@...hat.com,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	linux-clk@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/2] clk: imx: do not sleep if IRQ's are still disabled

On Thu, Jun 09, 2016 at 10:08:01PM +0200, Thomas Gleixner wrote:
> On Tue, 7 Jun 2016, Dong Aisheng wrote:
> > Then it may need introduce a lot changes and increase many new core APIs.
> > Is that a problem?
> 
> No. That's all better than each driver having broken workarounds. It's a
> common problem so it wants to be addressed at the core level. There you have a
> central point to do this and you can still catch abusers which call stuff from
> the wrong context. The hacks in the drivers don't allow that because they look
> at the context, i.e. irq disabled, instead of checking the system state.
> 

Okay, thanks.
If you wouldn't mind i could send out a patch based on your
suggestion for further discussion.

Thanks

Regards
Dong Aisheng

> Thanks,
> 
> 	tglx