On 06/19/2018 09:09 AM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> Device tree based systems without of_dev_auxdata will have the mdio
> device named differently than "davinci_mdio(.0)". In this case use the
> device's compatible string for matching.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> ---
> drivers/net/ethernet/ti/davinci_emac.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
> index a1a6445b5a7e..c28a35bb852f 100644
> --- a/drivers/net/ethernet/ti/davinci_emac.c
> +++ b/drivers/net/ethernet/ti/davinci_emac.c
> @@ -1387,6 +1387,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
>
> static int match_first_device(struct device *dev, void *data)
> {
> + if (dev->of_node)
> + return of_device_is_compatible(dev->of_node,
> + "ti,davinci_mdio");
Why would we be matching the PHY device with the MDIO controller
compatibe string? Why not check dev->parent.of_node instead which would
make more sense?
--
Florian
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