Re: [PATCH v3 2/9] PCI: Add a stub for pci_ats_disabled()

[Bjorn Helgaas <helgaas-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Wed, Apr 17, 2019 at 07:24:41PM +0100, Jean-Philippe Brucker wrote:
> Currently pci_ats_disabled() is only defined when CONFIG_PCI is enabled.
> Since we're about to use the function in the Arm SMMUv3 driver, which
> could be built with CONFIG_PCI disabled, add a definition of
> pci_ats_disabled() for !CONFIG_PCI.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>

Acked-by: Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>

> ---
>  include/linux/pci.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 169c6a18d0b0..61d7cd888bad 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -1713,6 +1713,7 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d,
>  static inline const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
>  							 struct pci_dev *dev)
>  { return NULL; }
> +static inline bool pci_ats_disabled(void) { return true; }
>  #endif /* CONFIG_PCI */
>  
>  #ifdef CONFIG_PCI_ATS
> -- 
> 2.21.0
>