netdev - [PATCH net-next v2] microchip: lan865x: add ndo_eth_ioctl handler to enable PHY ioctl support

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Message-ID: <20250828114549.46116-1-parthiban.veerasooran@microchip.com>
Date: Thu, 28 Aug 2025 17:15:49 +0530
From: Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
To: <andrew+netdev@...n.ch>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Parthiban
 Veerasooran" <parthiban.veerasooran@...rochip.com>
Subject: [PATCH net-next v2] microchip: lan865x: add ndo_eth_ioctl handler to enable PHY ioctl support

Introduce support for standard MII ioctl operations in the LAN865x
Ethernet driver by implementing the .ndo_eth_ioctl callback. This allows
PHY-related ioctl commands to be handled via phy_do_ioctl_running() and
enables support for ethtool and other user-space tools that rely on ioctl
interface to perform PHY register access using commands like SIOCGMIIREG
and SIOCSMIIREG.

This feature enables improved diagnostics and PHY configuration
capabilities from userspace.

Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
---
v2:
- Replaced custom lan865x_eth_ioctl() with direct use of
  phy_do_ioctl_running() to avoid code duplication.
- Updated commit message to reflect the new change.
---
 drivers/net/ethernet/microchip/lan865x/lan865x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/microchip/lan865x/lan865x.c b/drivers/net/ethernet/microchip/lan865x/lan865x.c
index 84c41f193561..f7cb685b1562 100644
--- a/drivers/net/ethernet/microchip/lan865x/lan865x.c
+++ b/drivers/net/ethernet/microchip/lan865x/lan865x.c
@@ -326,6 +326,7 @@ static const struct net_device_ops lan865x_netdev_ops = {
 	.ndo_start_xmit		= lan865x_send_packet,
 	.ndo_set_rx_mode	= lan865x_set_multicast_list,
 	.ndo_set_mac_address	= lan865x_set_mac_address,
+	.ndo_eth_ioctl          = phy_do_ioctl_running,
 };
 
 static int lan865x_probe(struct spi_device *spi)

base-commit: d4854be4ec21dad23907c0fbc3389c3a394ebf67
-- 
2.34.1