As per RGMII specification v2.0, section 3.4.1, RGMII/RTBI has an
optional in-band status feature where the PHY's link status, speed and
duplex mode can be passed to the MAC.
Allow RGMII/RTBI to use in-band status.

Signed-off-by: Qingfang DENG <dqfext@gmail.com>
---
v1 -> v2: rebased and targeted to net-next.

 drivers/net/phy/phylink.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index d2455df1d8d2..e487bdea9b47 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -634,6 +634,11 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 		case PHY_INTERFACE_MODE_SGMII:
 		case PHY_INTERFACE_MODE_QSGMII:
 		case PHY_INTERFACE_MODE_QUSGMII:
+		case PHY_INTERFACE_MODE_RGMII:
+		case PHY_INTERFACE_MODE_RGMII_ID:
+		case PHY_INTERFACE_MODE_RGMII_RXID:
+		case PHY_INTERFACE_MODE_RGMII_TXID:
+		case PHY_INTERFACE_MODE_RTBI:
 			phylink_set(pl->supported, 10baseT_Half);
 			phylink_set(pl->supported, 10baseT_Full);
 			phylink_set(pl->supported, 100baseT_Half);
-- 
2.34.1

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Wed, 24 Aug 2022 14:10:34 +0800 you wrote:
> As per RGMII specification v2.0, section 3.4.1, RGMII/RTBI has an
> optional in-band status feature where the PHY's link status, speed and
> duplex mode can be passed to the MAC.
> Allow RGMII/RTBI to use in-band status.
> 
> Signed-off-by: Qingfang DENG <dqfext@gmail.com>
> 
> [...]

Here is the summary with links:
  - [v2,net-next] net: phylink: allow RGMII/RTBI in-band status
    https://git.kernel.org/netdev/net-next/c/d73ffc08824d

You are awesome, thank you!
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