Re: [PATCH] PCI: Fix build error when CONFIG_PCI_MSI disabled

From: Reinette Chatre
Date: Fri Feb 10 2023 - 16:12:57 EST


Hi Alok,

On 2/10/2023 12:45 PM, ALOK TIWARI wrote:
> shall we need to define this function under -> #ifndef CONFIG_PCI_MSI
>
> #ifndef CONFIG_PCI_MSI
>
> +static inline struct msi_map
> +pci_msix_alloc_irq_at(struct pci_dev *dev, unsigned int index,
> +              const struct irq_affinity_desc *affdesc)
> +{
> +    struct msi_map map = { .index = -ENOSYS };
> +
> +    return map;
> +}
> +
> +static inline void pci_msix_free_irq(struct pci_dev *pdev, struct msi_map map)
> +{
> +}
> +#endif

No need. include/linux/pci.h already has those definitions.

include/linux/pci.h already has:

#ifdef CONFIG_PCI_MSI

...

#else

...
/* new function definitions will be inserted here */
...

#endif


Reinette