linux-kernel - Re: [PATCH v2 1/2] usb: typec: qcom-pmic-typec: use fwnode_handle

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Message-ID: <2c5d3bc2-b2b2-430f-8387-70be8a53c14b@linaro.org>
Date: Sun, 20 Oct 2024 19:33:40 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Javier Carrasco <javier.carrasco.cruz@...il.com>,
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Caleb Connolly <caleb.connolly@...aro.org>,
 Guenter Roeck <linux@...ck-us.net>
Cc: linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/2] usb: typec: qcom-pmic-typec: use
 fwnode_handle_put() to release fwnodes

On 20/10/2024 13:56, Javier Carrasco wrote:
> The right function to release a fwnode acquired via
> device_get_named_child_node() is fwnode_handle_put(), and not
> fwnode_remove_software_node(), as no software node is being handled.
> 
> Replace the calls to fwnode_remove_software_node() with
> fwnode_handle_put() in qcom_pmic_typec_probe() and
> qcom_pmic_typec_remove().
> 
> Cc: stable@...r.kernel.org
> Fixes: a4422ff22142 ("usb: typec: qcom: Add Qualcomm PMIC Type-C driver")
> Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
> ---
>   drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> index 2201eeae5a99..73a159e67ec2 100644
> --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
> @@ -123,7 +123,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
>   port_unregister:
>   	tcpm_unregister_port(tcpm->tcpm_port);
>   fwnode_remove:
> -	fwnode_remove_software_node(tcpm->tcpc.fwnode);
> +	fwnode_handle_put(tcpm->tcpc.fwnode);
>   
>   	return ret;
>   }
> @@ -135,7 +135,7 @@ static void qcom_pmic_typec_remove(struct platform_device *pdev)
>   	tcpm->pdphy_stop(tcpm);
>   	tcpm->port_stop(tcpm);
>   	tcpm_unregister_port(tcpm->tcpm_port);
> -	fwnode_remove_software_node(tcpm->tcpc.fwnode);
> +	fwnode_handle_put(tcpm->tcpc.fwnode);
>   }
>   
>   static const struct pmic_typec_resources pm8150b_typec_res = {
> 
Acked-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>