From: Tony Lindgren <tony@atomide.com>
To: Tero Kristo <t-kristo@ti.com>
Cc: mturquette@baylibre.com, sboyd@codeaurora.org,
linux-clk@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv2] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate
Date: Mon, 22 Feb 2016 08:52:53 -0800 [thread overview]
Message-ID: <20160222165252.GF13417@atomide.com> (raw)
In-Reply-To: <1455966777-30576-1-git-send-email-t-kristo@ti.com>
* Tero Kristo <t-kristo@ti.com> [160220 03:12]:
> As the code in this file is being executed within irq context in some
> cases, we must avoid the clk_get_rate which uses mutex internally.
> Switch the code to use clk_hw_get_rate instead which is non-locking.
>
> This fixes an issue where PM runtime will hang the system if enabled
> with a serial console before a suspend-resume cycle.
Can you please add the "Fixes: " line here?
And when applying, please tag this one Cc stable.
Other than that, please feel free to add:
Tested-by: Tony Lindgren <tony@atomide.com>
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate
Date: Mon, 22 Feb 2016 08:52:53 -0800 [thread overview]
Message-ID: <20160222165252.GF13417@atomide.com> (raw)
In-Reply-To: <1455966777-30576-1-git-send-email-t-kristo@ti.com>
* Tero Kristo <t-kristo@ti.com> [160220 03:12]:
> As the code in this file is being executed within irq context in some
> cases, we must avoid the clk_get_rate which uses mutex internally.
> Switch the code to use clk_hw_get_rate instead which is non-locking.
>
> This fixes an issue where PM runtime will hang the system if enabled
> with a serial console before a suspend-resume cycle.
Can you please add the "Fixes: " line here?
And when applying, please tag this one Cc stable.
Other than that, please feel free to add:
Tested-by: Tony Lindgren <tony@atomide.com>
Regards,
Tony
next prev parent reply other threads:[~2016-02-22 16:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-20 11:12 [PATCHv2] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate Tero Kristo
2016-02-20 11:12 ` Tero Kristo
2016-02-20 11:12 ` Tero Kristo
2016-02-22 16:52 ` Tony Lindgren [this message]
2016-02-22 16:52 ` Tony Lindgren
2016-02-22 22:05 ` Stephen Boyd
2016-02-22 22:05 ` Stephen Boyd
2016-02-22 22:10 ` Tony Lindgren
2016-02-22 22:10 ` Tony Lindgren
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