[patch V2 08/23] PCI/sysfs: Use pci_irq_vector()

[Bjorn Helgaas]

On Mon, Dec 06, 2021 at 11:27:36PM +0100, Thomas Gleixner wrote:
> instead of fiddling with msi descriptors.
> 
> Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
> Tested-by: Juergen Gross <jgross at suse.com>
> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Acked-by: Bjorn Helgaas <bhelgaas at google.com>

s/msi/MSI/ above if you have a chance.  Nice cleanup, thanks!

> ---
>  drivers/pci/pci-sysfs.c |    7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> --- a/drivers/pci/pci-sysfs.c
> +++ b/drivers/pci/pci-sysfs.c
> @@ -62,11 +62,8 @@ static ssize_t irq_show(struct device *d
>  	 * For MSI, show the first MSI IRQ; for all other cases including
>  	 * MSI-X, show the legacy INTx IRQ.
>  	 */
> -	if (pdev->msi_enabled) {
> -		struct msi_desc *desc = first_pci_msi_entry(pdev);
> -
> -		return sysfs_emit(buf, "%u\n", desc->irq);
> -	}
> +	if (pdev->msi_enabled)
> +		return sysfs_emit(buf, "%u\n", pci_irq_vector(pdev, 0));
>  #endif
>  
>  	return sysfs_emit(buf, "%u\n", pdev->irq);
>