linux-kernel - Re: [PATCH 6/6] xhci: ext-caps: Use software node API with the properties

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Date:   Tue, 2 Feb 2021 14:53:08 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Felipe Balbi <balbi@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 6/6] xhci: ext-caps: Use software node API with the
 properties

Hi,

On 2/2/21 1:50 PM, Heikki Krogerus wrote:
> This replaces the platform_device_add_properties() call with
> the safer device_create_managed_software_node() that does
> exactly the same, but can also guarantee that the lifetime
> of the node that is created for the device is tied to the
> lifetime of device itself.
> 
> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Cc: Hans de Goede <hdegoede@...hat.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
>  drivers/usb/host/xhci-ext-caps.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/xhci-ext-caps.c b/drivers/usb/host/xhci-ext-caps.c
> index 3351d07c431f1..7a4c2c4ad50e8 100644
> --- a/drivers/usb/host/xhci-ext-caps.c
> +++ b/drivers/usb/host/xhci-ext-caps.c
> @@ -54,7 +54,8 @@ static int xhci_create_intel_xhci_sw_pdev(struct xhci_hcd *xhci, u32 cap_offset)
>  	}
>  
>  	if (pci->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
> -		ret = platform_device_add_properties(pdev, role_switch_props);
> +		ret = device_create_managed_software_node(&pdev->dev, role_switch_props,
> +							  NULL);
>  		if (ret) {
>  			dev_err(dev, "failed to register device properties\n");
>  			platform_device_put(pdev);
>