On Fri, Jun 02, 2023 at 09:13:25PM +0900, Damien Le Moal wrote:
> On 6/2/23 20:47, Manivannan Sadhasivam wrote:
> > Currently, the EPF probe function doesn't get the device ID argument needed
> > to correctly identify the device table ID of the EPF device.
> >
> > When multiple entries are added to the "struct pci_epf_device_id" table,
> > the probe function needs to identify the correct one. This is achieved by
> > modifying the pci_epf_match_id() function to return the match ID pointer
> > and passing it to the driver's probe function.
> >
> > pci_epf_device_match() function can return bool based on the return value
> > of pci_epf_match_id().
> >
> > Reviewed-by: Kishon Vijay Abraham I <kishon@xxxxxxxxxx>
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
>
> [...]
>
> > static int pci_epf_device_match(struct device *dev, struct device_driver *drv)
> > @@ -510,8 +510,12 @@ static int pci_epf_device_match(struct device *dev, struct device_driver *drv)
> > struct pci_epf *epf = to_pci_epf(dev);
> > struct pci_epf_driver *driver = to_pci_epf_driver(drv);
> >
> > - if (driver->id_table)
> > - return pci_epf_match_id(driver->id_table, epf);
> > + if (driver->id_table) {
> > + if (pci_epf_match_id(driver->id_table, epf))
> > + return true;
> > + else
> > + return false;
>
> You prefer keeping this pattern ?
>
> return pci_epf_match_id(driver->id_table, epf) != NULL;
>
> is no much nicer !
s/no/so
Yes it is, I can change it myself to spare Mani few cycles.
Lorenzo
>
> Anyway:
>
> Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
>
> --
> Damien Le Moal
> Western Digital Research
>
