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From: Stephen Boyd <sboyd@kernel.org>
To: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Cc: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	linux-clk@vger.kernel.org, openbmc@lists.ozlabs.org,
	linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org,
	devicetree@vger.kernel.org,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Avi Fishman" <avifishman70@gmail.com>,
	"Tomer Maimon" <tmaimon77@gmail.com>,
	"Tali Perry" <tali.perry1@gmail.com>,
	"Patrick Venture" <venture@google.com>,
	"Nancy Yuen" <yuenn@google.com>,
	"Benjamin Fair" <benjaminfair@google.com>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Wim Van Sebroeck" <wim@linux-watchdog.org>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"Christophe JAILLET" <christophe.jaillet@wanadoo.fr>,
	"Joel Stanley" <joel@jms.id.au>
Subject: Re: [PATCH v8 2/2] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver
Date: Tue, 01 Aug 2023 12:14:48 -0700	[thread overview]
Message-ID: <54b4d761e5b16ffb798a89c1cea99714.sboyd@kernel.org> (raw)
In-Reply-To: <ZLvyn0xq3Msk+lxF@probook>

Quoting Jonathan Neuschäfer (2023-07-22 08:15:43)
> On Thu, Jul 20, 2023 at 05:02:15PM -0700, Stephen Boyd wrote:
> > Quoting Jonathan Neuschäfer (2023-04-28 12:02:26)
> > > diff --git a/drivers/clk/clk-wpcm450.c b/drivers/clk/clk-wpcm450.c
> [...]
> > > +static unsigned long wpcm450_clk_pll_recalc_rate(struct clk_hw *hw,
> > > +                                                unsigned long parent_rate)
> > > +{
> > > +       struct wpcm450_clk_pll *pll = to_wpcm450_clk_pll(hw);
[...]
> 
> > > +static const struct wpcm450_pll_data pll_data[] = {
> > > +       { "pll0", { .name = "ref" }, REG_PLLCON0, 0 },
> > 
> > This is new code, please don't use .name. Instead use .fw_name or .index with preference to
> > .index first and .hw if the pointer is available in this driver.
> 
> As far as I can see, .fw_name and .index depend on a struct device*
> being passed to clk_hw_register, which won't be available unless I
> actually convert the driver to a platform driver.

You can call of_clk_hw_register(), but a conversion to a platform driver
is preferred.

> 
> Not relying on .name would indeed be nice.

Cool.

WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <sboyd@kernel.org>
To: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Cc: "Tomer Maimon" <tmaimon77@gmail.com>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Tali Perry" <tali.perry1@gmail.com>,
	linux-clk@vger.kernel.org,
	"Benjamin Fair" <benjaminfair@google.com>,
	openbmc@lists.ozlabs.org,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Guenter Roeck" <linux@roeck-us.net>,
	devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org,
	"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Christophe JAILLET" <christophe.jaillet@wanadoo.fr>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Wim Van Sebroeck" <wim@linux-watchdog.org>,
	"Avi Fishman" <avifishman70@gmail.com>,
	"Patrick Venture" <venture@google.com>,
	linux-kernel@vger.kernel.org,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>
Subject: Re: [PATCH v8 2/2] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver
Date: Tue, 01 Aug 2023 12:14:48 -0700	[thread overview]
Message-ID: <54b4d761e5b16ffb798a89c1cea99714.sboyd@kernel.org> (raw)
In-Reply-To: <ZLvyn0xq3Msk+lxF@probook>

Quoting Jonathan Neuschäfer (2023-07-22 08:15:43)
> On Thu, Jul 20, 2023 at 05:02:15PM -0700, Stephen Boyd wrote:
> > Quoting Jonathan Neuschäfer (2023-04-28 12:02:26)
> > > diff --git a/drivers/clk/clk-wpcm450.c b/drivers/clk/clk-wpcm450.c
> [...]
> > > +static unsigned long wpcm450_clk_pll_recalc_rate(struct clk_hw *hw,
> > > +                                                unsigned long parent_rate)
> > > +{
> > > +       struct wpcm450_clk_pll *pll = to_wpcm450_clk_pll(hw);
[...]
> 
> > > +static const struct wpcm450_pll_data pll_data[] = {
> > > +       { "pll0", { .name = "ref" }, REG_PLLCON0, 0 },
> > 
> > This is new code, please don't use .name. Instead use .fw_name or .index with preference to
> > .index first and .hw if the pointer is available in this driver.
> 
> As far as I can see, .fw_name and .index depend on a struct device*
> being passed to clk_hw_register, which won't be available unless I
> actually convert the driver to a platform driver.

You can call of_clk_hw_register(), but a conversion to a platform driver
is preferred.

> 
> Not relying on .name would indeed be nice.

Cool.

  reply	other threads:[~2023-08-01 19:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-28 19:02 [PATCH v8 0/2] Nuvoton WPCM450 clock and reset driver Jonathan Neuschäfer
2023-04-28 19:02 ` Jonathan Neuschäfer
2023-04-28 19:02 ` [PATCH v8 1/2] dt-bindings: clock: Add Nuvoton WPCM450 clock/reset controller Jonathan Neuschäfer
2023-04-28 19:02   ` Jonathan Neuschäfer
2023-04-28 19:02 ` [PATCH v8 2/2] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver Jonathan Neuschäfer
2023-04-28 19:02   ` Jonathan Neuschäfer
2023-07-21  0:02   ` Stephen Boyd
2023-07-21  0:02     ` Stephen Boyd
2023-07-22 15:15     ` Jonathan Neuschäfer
2023-07-22 15:15       ` Jonathan Neuschäfer
2023-08-01 19:14       ` Stephen Boyd [this message]
2023-08-01 19:14         ` Stephen Boyd
2023-07-22 21:55     ` Jonathan Neuschäfer
2023-07-22 21:55       ` Jonathan Neuschäfer

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