Re: [PATCH v4 2/4] i2c: designware: Convert PCI driver to use shutdown hook
From: Andy Shevchenko
Date: Fri May 08 2026 - 04:15:19 EST
On Thu, May 07, 2026 at 08:05:16PM +0000, William A. Kennington III wrote:
> Convert the PCI driver to use the new i2c_dw_shutdown() hook, allowing
> the controller to gracefully NACK master requests during system shutdown.
...
> +static void i2c_dw_pci_shutdown(struct pci_dev *pdev)
> +{
> + struct dw_i2c_dev *i_dev;
> +
> + i_dev = pci_get_drvdata(pdev);
> + if (!i_dev)
> + return;
> +
> + pm_runtime_disable(&pdev->dev);
> + if (!pm_runtime_status_suspended(&pdev->dev))
There is a difference between pm_runtime_status_suspended() and
pm_runtime_suspended(). Are you sure you use the proper call here?
(Please, double check.)
> + i2c_dw_shutdown(i_dev);
> +}
--
With Best Regards,
Andy Shevchenko