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From: Francesco Dolcini <francesco@dolcini.it>
To: Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
	Clark Wang <xiaoning.wang@nxp.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Francesco Dolcini <francesco.dolcini@toradex.com>,
	imx@lists.linux.dev, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH net-next v2] net: fec: Add stop mode support on i.MX8DX/i.MX8QP
Date: Mon,  5 Jan 2026 16:24:50 +0100	[thread overview]
Message-ID: <20260105152452.84338-1-francesco@dolcini.it> (raw)

From: Francesco Dolcini <francesco.dolcini@toradex.com>

Add additional machines that requires communication to the SC firmware
to set the GPR bit required for stop mode support.

NXP i.MX8DX (fsl,imx8dx) is a low end version of i.MX8QXP (fsl,imx8qxp),
while NXP i.MX8QP (fsl,imx8qp) is a low end version of i.MX8QM
(fsl,imx8qm).

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
v2: Fix i.MX8QM compatible in the commit message
v1: https://lore.kernel.org/all/20251223163328.139734-1-francesco@dolcini.it/
---
 drivers/net/ethernet/freescale/fec_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c685a5c0cc51..2eacc35e0b8a 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1334,7 +1334,9 @@ fec_restart(struct net_device *ndev)
 static int fec_enet_ipc_handle_init(struct fec_enet_private *fep)
 {
 	if (!(of_machine_is_compatible("fsl,imx8qm") ||
+	      of_machine_is_compatible("fsl,imx8qp") ||
 	      of_machine_is_compatible("fsl,imx8qxp") ||
+	      of_machine_is_compatible("fsl,imx8dx") ||
 	      of_machine_is_compatible("fsl,imx8dxl")))
 		return 0;
 
-- 
2.47.3


             reply	other threads:[~2026-01-05 15:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-05 15:24 Francesco Dolcini [this message]
2026-01-05 15:35 ` Andrew Lunn
2026-01-07  1:20 ` patchwork-bot+netdevbpf

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