From: boris brezillon <b.brezillon@overkiz.com>
To: Mike Turquette <mturquette@linaro.org>,
Rob Herring <rob.herring@calxeda.com>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Rob Landley <rob@landley.net>, Andrew Victor <linux@maxim.org.za>,
Nicolas Ferre <nicolas.ferre@atmel.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Russell King <linux@arm.linux.org.uk>,
Felipe Balbi <balbi@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Grant Likely <grant.likely@linaro.org>,
Ludovic Desroches <ludovic.desroches@atmel.com>,
Josh Wu <josh.wu@atmel.com>,
Richard Genoud <richard.genoud@gmail.com>
Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH v5 06/17] clk: at91: add PMC pll clocks
Date: Thu, 28 Nov 2013 09:34:10 +0100 [thread overview]
Message-ID: <52970002.3020405@overkiz.com> (raw)
In-Reply-To: <20131127214843.16819.59481@quantum>
Hi Mike,
On 27/11/2013 22:48, Mike Turquette wrote:
> Quoting Boris BREZILLON (2013-11-12 13:57:19)
>> +static const struct clk_ops pll_ops = {
>> + .prepare = clk_pll_prepare,
>> + .is_prepared = clk_pll_is_ready,
>> + .disable = clk_pll_disable,
>> + .is_enabled = clk_pll_is_ready,
>> + .recalc_rate = clk_pll_recalc_rate,
>> + .round_rate = clk_pll_round_rate,
>> + .set_rate = clk_pll_set_rate,
>> +};
> Hi Boris,
>
> It is a bit strange to see only a .prepare and .disable callback
> populated. What happens if a driver calls clk_disable and then
> clk_enable? You clock will still be disabled in hardware.
Oops, I haven't thought about that.
I did this because the clk_pll_disable does not sleep, but this is a big
mistake :-(.
I'll fix this.
Thanks.
Best Regards,
Boris
> Regards,
> Mike
next prev parent reply other threads:[~2013-11-28 8:46 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-12 20:51 [PATCH v5 00/17] ARM: at91: move to common clk framework Boris BREZILLON
2013-11-12 20:55 ` [PATCH v5 01/17] ARM: at91: move at91_pmc.h to include/linux/clk/at91_pmc.h Boris BREZILLON
2013-11-12 20:57 ` [PATCH v5 02/17] ARM: at91: add Kconfig options for common clk support Boris BREZILLON
2013-11-12 21:02 ` [PATCH v5 03/17] clk: at91: add PMC base support Boris BREZILLON
2013-11-12 21:04 ` [PATCH v5 04/17] clk: at91: add PMC macro file for dt definitions Boris BREZILLON
2013-11-12 21:54 ` [PATCH v5 05/17] clk: at91: add PMC main clock Boris BREZILLON
2013-11-12 21:57 ` [PATCH v5 06/17] clk: at91: add PMC pll clocks Boris BREZILLON
2013-11-27 21:48 ` Mike Turquette
2013-11-28 8:34 ` boris brezillon [this message]
2013-11-12 22:00 ` [PATCH v5 07/17] clk: at91: add PMC master clock Boris BREZILLON
2013-11-12 22:05 ` [PATCH v5 08/17] clk: at91: add PMC system clocks Boris BREZILLON
2013-11-27 22:05 ` Mike Turquette
2013-11-12 22:08 ` [PATCH v5 09/17] clk: at91: add PMC peripheral clocks Boris BREZILLON
2013-11-13 6:10 ` [PATCH v5 10/17] clk: at91: add peripheral clk macros for peripheral clk dt bindings Boris BREZILLON
2013-11-13 6:14 ` [PATCH v5 11/17] clk: at91: add PMC programmable clocks Boris BREZILLON
2013-11-13 6:17 ` [PATCH v5 12/17] clk: at91: add PMC utmi clock Boris BREZILLON
2013-11-13 6:20 ` [PATCH v5 13/17] clk: at91: add PMC usb clock Boris BREZILLON
2013-11-13 6:22 ` [PATCH v5 14/17] clk: at91: add PMC smd clock Boris BREZILLON
2013-11-13 7:12 ` [PATCH v5 15/17] dt: binding: add at91 clks dt bindings documentation Boris BREZILLON
2013-11-13 7:15 ` [PATCH v5 16/17] ARM: at91: move pit timer to common clk framework Boris BREZILLON
2013-11-13 7:18 ` [PATCH v5 17/17] ARM: at91: add new compatible strings for pmc driver Boris BREZILLON
2013-11-30 22:56 ` [PATCH v5 00/17] ARM: at91: move to common clk framework Mike Turquette
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