From: mturquette@linaro.org (Mike Turquette)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/7] clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support
Date: Wed, 14 May 2014 15:39:35 -0700 [thread overview]
Message-ID: <20140514223935.19795.36960@quantum> (raw)
In-Reply-To: <53731BB3.4060504@free-electrons.com>
Quoting Boris BREZILLON (2014-05-14 00:30:59)
> Hello Mike,
>
> On 14/05/2014 02:51, Mike Turquette wrote:
> > Quoting Boris BREZILLON (2014-05-09 04:11:49)
> >> +struct clk_ops ar100_ops = {
> >> + .recalc_rate = ar100_recalc_rate,
> >> + .determine_rate = ar100_determine_rate,
> >> + .set_parent = ar100_set_parent,
> >> + .get_parent = ar100_get_parent,
> >> + .set_rate = ar100_set_rate,
> >> +};
> > I might be having a brain fart, but is there a valid case for having
> > both a .recalc_rate and a .determine_rate? I believe that the former
> > will never be used and the latter will always be used by the clock
> > framework core.
>
> I think you're mistaking recalc_rate for round_rate.
> AFAIK, recalc_rate is mandatory for a clk that implement either
> round_rate or determine_rate.
I *was* having a brain fart. You're right of course. Too many .r*_rate()
callbacks...
Thanks,
Mike
>
>
> Best Regards,
>
> Boris
>
> --
> Boris Brezillon, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
>
WARNING: multiple messages have this Message-ID (diff)
From: Mike Turquette <mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: "Boris BREZILLON"
<boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
"Emilio López" <emilio-0Z03zUJReD5OxF6Tv1QG9Q@public.gmane.org>,
"Samuel Ortiz" <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"Lee Jones" <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Shuge <shuge-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org>,
kevin-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org,
Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dev-3kdeTeqwOZ9EV1b7eY7vFQ@public.gmane.org
Subject: Re: [PATCH v3 5/7] clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support
Date: Wed, 14 May 2014 15:39:35 -0700 [thread overview]
Message-ID: <20140514223935.19795.36960@quantum> (raw)
In-Reply-To: <53731BB3.4060504-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Quoting Boris BREZILLON (2014-05-14 00:30:59)
> Hello Mike,
>
> On 14/05/2014 02:51, Mike Turquette wrote:
> > Quoting Boris BREZILLON (2014-05-09 04:11:49)
> >> +struct clk_ops ar100_ops = {
> >> + .recalc_rate = ar100_recalc_rate,
> >> + .determine_rate = ar100_determine_rate,
> >> + .set_parent = ar100_set_parent,
> >> + .get_parent = ar100_get_parent,
> >> + .set_rate = ar100_set_rate,
> >> +};
> > I might be having a brain fart, but is there a valid case for having
> > both a .recalc_rate and a .determine_rate? I believe that the former
> > will never be used and the latter will always be used by the clock
> > framework core.
>
> I think you're mistaking recalc_rate for round_rate.
> AFAIK, recalc_rate is mandatory for a clk that implement either
> round_rate or determine_rate.
I *was* having a brain fart. You're right of course. Too many .r*_rate()
callbacks...
Thanks,
Mike
>
>
> Best Regards,
>
> Boris
>
> --
> Boris Brezillon, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
>
WARNING: multiple messages have this Message-ID (diff)
From: Mike Turquette <mturquette@linaro.org>
To: "Boris BREZILLON" <boris.brezillon@free-electrons.com>,
"Emilio López" <emilio@elopez.com.ar>,
"Samuel Ortiz" <sameo@linux.intel.com>,
"Lee Jones" <lee.jones@linaro.org>
Cc: "Chen-Yu Tsai" <wens@csie.org>,
"Maxime Ripard" <maxime.ripard@free-electrons.com>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Shuge" <shuge@allwinnertech.com>,
kevin@allwinnertech.com, "Hans de Goede" <hdegoede@redhat.com>,
"Randy Dunlap" <rdunlap@infradead.org>,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dev@linux-sunxi.org
Subject: Re: [PATCH v3 5/7] clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support
Date: Wed, 14 May 2014 15:39:35 -0700 [thread overview]
Message-ID: <20140514223935.19795.36960@quantum> (raw)
In-Reply-To: <53731BB3.4060504@free-electrons.com>
Quoting Boris BREZILLON (2014-05-14 00:30:59)
> Hello Mike,
>
> On 14/05/2014 02:51, Mike Turquette wrote:
> > Quoting Boris BREZILLON (2014-05-09 04:11:49)
> >> +struct clk_ops ar100_ops = {
> >> + .recalc_rate = ar100_recalc_rate,
> >> + .determine_rate = ar100_determine_rate,
> >> + .set_parent = ar100_set_parent,
> >> + .get_parent = ar100_get_parent,
> >> + .set_rate = ar100_set_rate,
> >> +};
> > I might be having a brain fart, but is there a valid case for having
> > both a .recalc_rate and a .determine_rate? I believe that the former
> > will never be used and the latter will always be used by the clock
> > framework core.
>
> I think you're mistaking recalc_rate for round_rate.
> AFAIK, recalc_rate is mandatory for a clk that implement either
> round_rate or determine_rate.
I *was* having a brain fart. You're right of course. Too many .r*_rate()
callbacks...
Thanks,
Mike
>
>
> Best Regards,
>
> Boris
>
> --
> Boris Brezillon, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
>
next prev parent reply other threads:[~2014-05-14 22:39 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 11:11 [PATCH v3 0/7] mfd: add basic sun6i A31 PRCM support Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` [PATCH v3 1/7] reset: sunxi: document sunxi's reset controllers bindings Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` [PATCH v3 2/7] reset: sunxi: allow MFD subdevices probe Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` [PATCH v3 3/7] mfd: add support for sun6i PRCM (Power/Reset/Clock Management) unit Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 13:52 ` Lee Jones
2014-05-09 13:52 ` Lee Jones
2014-05-09 13:52 ` Lee Jones
2014-05-09 14:01 ` Boris BREZILLON
2014-05-09 14:01 ` Boris BREZILLON
2014-05-15 15:17 ` Maxime Ripard
2014-05-15 15:17 ` Maxime Ripard
2014-05-19 9:21 ` Lee Jones
2014-05-19 9:21 ` Lee Jones
2014-05-19 9:27 ` Maxime Ripard
2014-05-19 9:27 ` Maxime Ripard
2014-05-19 9:27 ` Maxime Ripard
2014-05-19 13:32 ` Lee Jones
2014-05-19 13:32 ` Lee Jones
2014-05-19 14:05 ` Maxime Ripard
2014-05-19 14:05 ` Maxime Ripard
2014-05-19 14:05 ` Maxime Ripard
2014-05-19 14:24 ` Lee Jones
2014-05-19 14:24 ` Lee Jones
2014-05-19 14:24 ` Lee Jones
2014-05-19 14:29 ` Lee Jones
2014-05-19 14:29 ` Lee Jones
2014-05-19 14:29 ` Lee Jones
2014-05-09 11:11 ` [PATCH v3 4/7] mfd: sun6i-prcm: document DT bindings Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-19 14:26 ` Lee Jones
2014-05-19 14:26 ` Lee Jones
2014-05-09 11:11 ` [PATCH v3 5/7] clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-13 15:09 ` Emilio López
2014-05-13 15:09 ` Emilio López
2014-05-13 15:09 ` Emilio López
2014-05-14 0:51 ` Mike Turquette
2014-05-14 0:51 ` Mike Turquette
2014-05-14 0:51 ` Mike Turquette
2014-05-14 7:30 ` Boris BREZILLON
2014-05-14 7:30 ` Boris BREZILLON
2014-05-14 7:30 ` Boris BREZILLON
2014-05-14 22:39 ` Mike Turquette [this message]
2014-05-14 22:39 ` Mike Turquette
2014-05-14 22:39 ` Mike Turquette
2014-05-09 11:11 ` [PATCH v3 6/7] clk: sunxi: document PRCM clock compatible strings Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` [PATCH v3 7/7] ARM: sunxi: dt: add PRCM clk and reset controller subdevices Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-09 11:11 ` Boris BREZILLON
2014-05-13 15:17 ` Emilio López
2014-05-13 15:17 ` Emilio López
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