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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Praveen Talari <praveen.talari@oss.qualcomm.com>,
	Sudeep Holla <sudeep.holla@kernel.org>,
	Cristian Marussi <cristian.marussi@arm.com>,
	Ulf Hansson <ulfh@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	Mark Brown <broonie@kernel.org>,
	Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>,
	Andi Shyti <andi.shyti@kernel.org>
Cc: mukesh.savaliya@oss.qualcomm.com,
	chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-serial@vger.kernel.org, linux-spi@vger.kernel.org,
	linux-i2c@vger.kernel.org
Subject: Re: [PATCH 2/7] soc: qcom: geni-se: Populate clk_perf_tbl with SE source clock frequencies from perf OPP table
Date: Mon, 24 Aug 2026 16:56:13 +0200	[thread overview]
Message-ID: <d81d61fd-79d1-4bea-b93c-0afe44f9aab4@oss.qualcomm.com> (raw)
In-Reply-To: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-2-61171ab1cdce@oss.qualcomm.com>

On 8/4/26 9:57 PM, Praveen Talari wrote:
> Currently, on the SA8255P platform, protocol drivers attached via
> geni_se_domain_attach() treat each OPP on the perf domain as directly
> corresponding to a protocol value such as a baudrate or requested
> frequency, and simply request that OPP via

[...]

> @@ -1175,6 +1181,29 @@ int geni_se_domain_attach(struct geni_se *se)
>  	else if (ret < 0)
>  		return ret;
>  
> +	perf_dev = se->pd_list->pd_devs[DOMAIN_IDX_PERF];
> +
> +	num_opps = dev_pm_opp_get_opp_count(perf_dev);
> +	if (num_opps <= 0)
> +		return num_opps < 0 ? num_opps : -ENODEV;

if (num_opps < 0)
	return num_opps;
if (num_opps == 0)
	return -ENODEV;

> +
> +	se->clk_perf_tbl = devm_kcalloc(se->dev, num_opps,
> +					sizeof(*se->clk_perf_tbl),
> +					GFP_KERNEL);
> +	if (!se->clk_perf_tbl)
> +		return -ENOMEM;
> +
> +	for (i = 0, level = 0; i < num_opps; i++, level++) {

One iterator is sufficient here

Konrad

  parent reply	other threads:[~2026-08-24 14:56 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-04 19:57 [PATCH 0/7] soc: qcom: geni: Derive SE clock configuration from OPP table on SA8255P Praveen Talari
2026-08-04 19:57 ` [PATCH 1/7] pmdomain: arm: Fix -EINVAL from scmi_pd_set_perf_state() on state 0 Praveen Talari
2026-08-10 14:19   ` Ulf Hansson
2026-08-12  6:58   ` Mukesh Savaliya
2026-08-12  7:24   ` Mukesh Savaliya
2026-08-12  8:57     ` Ulf Hansson
2026-08-12  9:13       ` Mukesh Savaliya
2026-08-25  8:22   ` Abel Vesa
2026-08-04 19:57 ` [PATCH 2/7] soc: qcom: geni-se: Populate clk_perf_tbl with SE source clock frequencies from perf OPP table Praveen Talari
2026-08-12  7:36   ` Mukesh Savaliya
2026-08-24 14:56   ` Konrad Dybcio [this message]
2026-08-24 16:55     ` Praveen Talari
2026-08-26 15:17     ` Praveen Talari
2026-08-04 19:57 ` [PATCH 3/7] soc: qcom: geni-se: Add helper to set SE clock rate via OPP Praveen Talari
2026-08-12  8:55   ` Mukesh Savaliya
2026-08-24 11:07   ` Mukesh Savaliya
2026-08-24 14:58   ` Konrad Dybcio
2026-08-24 17:00     ` Praveen Talari
2026-08-04 19:57 ` [PATCH 4/7] serial: qcom-geni: Use geni_se_set_rate() for source clock configuration Praveen Talari
2026-08-24 11:39   ` Mukesh Savaliya
2026-08-24 11:40   ` Mukesh Savaliya
2026-08-24 15:05   ` Konrad Dybcio
2026-08-25  4:00     ` Praveen Talari
2026-08-25  8:28       ` Konrad Dybcio
2026-08-04 19:57 ` [PATCH 5/7] spi: qcom-geni: Use geni_se_set_rate() for setting source clock frequency Praveen Talari
2026-08-04 20:03   ` Mark Brown
2026-08-24 11:52   ` Mukesh Savaliya
2026-08-04 19:57 ` [PATCH 6/7] i2c: qcom-geni: Use common GENI resource initialization helper Praveen Talari
2026-08-24 13:12   ` Mukesh Savaliya
2026-08-04 19:57 ` [PATCH 7/7] i2c: qcom-geni: Use geni_se_set_rate() for setting source clock frequency Praveen Talari
2026-08-24 13:41   ` Mukesh Savaliya
2026-08-25 18:03     ` Praveen Talari
     [not found]     ` <e000c3da-32f5-49ba-9aff-b2b17db23927@oss.qualcomm.com>
2026-08-26 11:54       ` Mukesh Savaliya
2026-08-24 15:06   ` Konrad Dybcio
2026-08-25  8:19     ` Praveen Talari

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