linux-kernel - Re: [PATCH v1 3/3] pwm: dwc: use to_pci

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Date: Sun, 28 Jan 2024 16:46:48 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Raag Jadav <raag.jadav@...el.com>
Cc: u.kleine-koenig@...gutronix.de, jarkko.nikula@...ux.intel.com,
	mika.westerberg@...ux.intel.com, lakshmi.sowjanya.d@...el.com,
	linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/3] pwm: dwc: use to_pci_dev() helper

On Mon, Jan 22, 2024 at 08:32:38AM +0530, Raag Jadav wrote:
> Use to_pci_dev() helper to get pci device reference.

PCI

..

>  static int dwc_pwm_suspend(struct device *dev)
>  {
> -	struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
> +	struct pci_dev *pdev = to_pci_dev(dev);
>  	struct dwc_pwm *dwc = pci_get_drvdata(pdev);
>  	int i;
>  
> @@ -120,7 +120,7 @@ static int dwc_pwm_suspend(struct device *dev)
>  
>  static int dwc_pwm_resume(struct device *dev)
>  {
> -	struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
> +	struct pci_dev *pdev = to_pci_dev(dev);
>  	struct dwc_pwm *dwc = pci_get_drvdata(pdev);
>  	int i;

I don't see how pdev is being used. That said, why dev_get_drvdata() is not
suffice?

-- 
With Best Regards,
Andy Shevchenko