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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: david@ixit.cz
Cc: Alexey Minnekhanov <alexeymin@minlexx.ru>,
	Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	Lee Jones <lee@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	phone-devel@vger.kernel.org, mfd@lists.linux.dev
Subject: Re: [PATCH RFC 01/12] usb: typec: tcpm: qcom: Release the connector fwnode reference
Date: Mon, 28 Sep 2026 15:48:49 +0200	[thread overview]
Message-ID: <arpwQaOfCXHrp4m3@black.igk.intel.com> (raw)
In-Reply-To: <20260926-typec-v1-1-31adc19f32c6@ixit.cz>

Hi David,

On Sat, Sep 26, 2026 at 02:40:20PM +0200, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@ixit.cz>
> 
> device_get_named_child_node() returns the connector node with its
> reference count incremented, but the port probe never drops it. The node
> is only needed for the VBUS regulator lookup, so release it right after.
> 
> Assisted-by: LLM
> Fixes: 506927b6bf29 ("usb: typec: tcpm: qcom: prefer VBUS supply from the connector node")
> Signed-off-by: David Heidelberg <david@ixit.cz>

I think this should be send separately. Cc stable?

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

Thanks,

> ---
>  drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
> index bf985efe1cd6b..f8308d66b9d67 100644
> --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
> +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
> @@ -5,16 +5,17 @@
>  
>  #include <linux/delay.h>
>  #include <linux/err.h>
>  #include <linux/interrupt.h>
>  #include <linux/kernel.h>
>  #include <linux/module.h>
>  #include <linux/of.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/regmap.h>
>  #include <linux/regulator/consumer.h>
>  #include <linux/slab.h>
>  #include <linux/string_choices.h>
>  #include <linux/usb/tcpm.h>
>  #include <linux/usb/typec_mux.h>
>  #include <linux/workqueue.h>
>  
> @@ -723,16 +724,17 @@ int qcom_pmic_typec_port_probe(struct platform_device *pdev,
>  
>  	connector = device_get_named_child_node(dev, "connector");
>  	if (!connector)
>  		return -EINVAL;
>  
>  	pmic_typec_port->vdd_vbus = devm_of_regulator_get_optional(dev,
>  								   to_of_node(connector),
>  								   "vbus");
> +	fwnode_handle_put(connector);
>  	if (pmic_typec_port->vdd_vbus == ERR_PTR(-ENODEV))
>  		pmic_typec_port->vdd_vbus = devm_regulator_get(dev, "vdd-vbus");
>  	if (IS_ERR(pmic_typec_port->vdd_vbus))
>  		return PTR_ERR(pmic_typec_port->vdd_vbus);
>  
>  	pmic_typec_port->dev = dev;
>  	pmic_typec_port->base = base;
>  	pmic_typec_port->regmap = regmap;
> 
> -- 
> 2.55.0
> 

-- 
heikki

  reply	other threads:[~2026-09-28 13:48 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-26 12:40 [PATCH RFC 00/12] Qualcomm Type-C support for 1st generation David Heidelberg via B4 Relay
2026-09-26 12:40 ` [PATCH RFC 01/12] usb: typec: tcpm: qcom: Release the connector fwnode reference David Heidelberg via B4 Relay
2026-09-28 13:48   ` Heikki Krogerus [this message]
2026-09-26 12:40 ` [PATCH RFC 02/12] dt-bindings: usb: qcom,pmic-typec: Update example with vbus-supply David Heidelberg via B4 Relay
2026-09-26 13:34   ` Bryan O'Donoghue
2026-09-26 12:40 ` [PATCH RFC 03/12] dt-bindings: usb: Add Qualcomm 1st-gen PMIC Type-C David Heidelberg via B4 Relay
2026-09-26 12:40 ` [PATCH RFC 04/12] usb: typec: qcom: Make PMIC port probe selectable David Heidelberg via B4 Relay
2026-09-26 13:39   ` Bryan O'Donoghue
2026-09-26 12:40 ` [PATCH RFC 05/12] usb: typec: qcom: Make typec_port accept also different structure David Heidelberg via B4 Relay
2026-09-26 13:40   ` Bryan O'Donoghue
2026-09-26 12:40 ` [PATCH RFC 06/12] usb: typec: qcom: Add gen1 Type-C port support David Heidelberg via B4 Relay
2026-09-26 14:22   ` Bryan O'Donoghue
2026-09-26 14:32     ` David Heidelberg
2026-09-26 14:41       ` Bryan O'Donoghue
2026-09-26 14:45         ` David Heidelberg
2026-09-26 12:40 ` [PATCH RFC 07/12] arm64: dts: qcom: pm660: Add USB Type-C port controller node David Heidelberg via B4 Relay
2026-09-26 14:25   ` Bryan O'Donoghue
2026-09-26 12:40 ` [PATCH RFC 08/12] arm64: dts: qcom: pmi8998: " David Heidelberg via B4 Relay
2026-09-26 14:28   ` Bryan O'Donoghue
2026-09-26 12:40 ` [PATCH RFC 09/12] arm64: dts: qcom: sdm670-google-common: Enable USB Type-C port controller David Heidelberg via B4 Relay
2026-09-26 12:40 ` [PATCH RFC 10/12] arm64: dts: qcom: sdm845-google-common: " David Heidelberg via B4 Relay
2026-09-26 12:40 ` [PATCH RFC 11/12] arm64: dts: qcom: sdm845-oneplus-common: " David Heidelberg via B4 Relay
2026-09-26 12:40 ` [PATCH RFC 12/12] arm64: dts: qcom: sdm845-shift-axolotl: " David Heidelberg via B4 Relay
2026-09-27 13:05 ` [PATCH RFC 00/12] Qualcomm Type-C support for 1st generation Dmitry Baryshkov
2026-09-27 15:16   ` David Heidelberg
2026-09-27 16:33     ` Dmitry Baryshkov
2026-09-28 15:54       ` Bryan O'Donoghue

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