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From: Dan Carpenter <dan.carpenter@linaro.org>
To: Peng Fan <peng.fan@oss.nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Cristian Marussi <cristian.marussi@arm.com>,
	Marco Felsch <m.felsch@pengutronix.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] clk: conf: Support assigned-clock-sscs
Date: Fri, 15 Aug 2025 10:51:36 +0300	[thread overview]
Message-ID: <aJ7nCL0PS0DX8rtk@stanley.mountain> (raw)
In-Reply-To: <20250815071249.GA20726@nxa18884-linux.ap.freescale.net>

On Fri, Aug 15, 2025 at 04:50:42PM +0800, Peng Fan wrote:
> >> +		if (modfreq_hz || spread_bp || method) {
> >> +			rc = of_parse_phandle_with_args(node, "assigned-clocks",
> >> +					"#clock-cells",	index, &clkspec);
> >> +			if (rc < 0) {
> >> +				/* skip empty (null) phandles */
> >> +				if (rc == -ENOENT)
> >> +					continue;
> >> +				else
> >> +					return rc;
> >> +			}
> >> +
> >> +			if (clkspec.np == node && !clk_supplier) {
> >
> >Could you add a comment for this condition?  It's strange to me that we
> >don't iterate through the whole array.
> 
> I just follow the logic in __set_clk_parents and __set_clk_rates, nothing
> special here.
> 
> It is just like to phase out cases as below:
>   node-x {
> 	/* node-x is not a clk provider, but assigned-clocks uses node-x phandle */
> 	assigned-clocks = <&node-x   XYZ>;
>   }
> 

Ah.  Great.  Thanks.

regards,
dan carpenter


  reply	other threads:[~2025-08-15  7:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-12 12:17 [PATCH 0/3] clk: Support spread spectrum and use it in clk-scmi Peng Fan
2025-08-12 12:17 ` [PATCH 1/3] clk: Introduce clk_hw_set_spread_spectrum Peng Fan
2025-08-27 15:45   ` Brian Masney
2025-08-29  9:08     ` Peng Fan
2025-08-12 12:17 ` [PATCH 2/3] clk: conf: Support assigned-clock-sscs Peng Fan
2025-08-13  5:48   ` Dan Carpenter
2025-08-15  8:50     ` Peng Fan
2025-08-15  7:51       ` Dan Carpenter [this message]
2025-08-12 12:17 ` [PATCH 3/3] clk: scmi: Support Spread Spectrum for NXP i.MX95 Peng Fan
2025-08-27  7:05 ` [PATCH 0/3] clk: Support spread spectrum and use it in clk-scmi Peng Fan
  -- strict thread matches above, loose matches on Subject: below --
2025-01-24 14:25 Peng Fan (OSS)
2025-01-24 14:25 ` [PATCH 2/3] clk: conf: Support assigned-clock-sscs Peng Fan (OSS)

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