linux-kernel - [PATCH net-next v2 8/8] net: dsa: lantiq_gswip: add support for SWAPI version 2.3

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Message-ID: <fec27a7cc9d2db00829597b2cb12e5c475700117.1755564606.git.daniel@makrotopia.org>
Date: Tue, 19 Aug 2025 02:34:56 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: Hauke Mehrtens <hauke@...ke-m.de>, Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Russell King <linux@...linux.org.uk>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Cc: Andreas Schirm <andreas.schirm@...mens.com>,
	Lukas Stockmann <lukas.stockmann@...mens.com>,
	Alexander Sverdlin <alexander.sverdlin@...mens.com>,
	Peter Christen <peter.christen@...mens.com>,
	Avinash Jayaraman <ajayaraman@...linear.com>,
	Bing tao Xu <bxu@...linear.com>, Liang Xu <lxu@...linear.com>,
	Juraj Povazanec <jpovazanec@...linear.com>,
	"Fanni (Fang-Yi) Chan" <fchan@...linear.com>,
	"Benny (Ying-Tsan) Weng" <yweng@...linear.com>,
	"Livia M. Rosu" <lrosu@...linear.com>,
	John Crispin <john@...ozen.org>
Subject: [PATCH net-next v2 8/8] net: dsa: lantiq_gswip: add support for
 SWAPI version 2.3

Add definition for switch API version 2.3 and a macro to make comparing
the switch hardware version with the (byte-swapped) version macros more
conveniant.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/dsa/lantiq_gswip.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/lantiq_gswip.h b/drivers/net/dsa/lantiq_gswip.h
index 5a0ac7a538d9..54cbfad21ada 100644
--- a/drivers/net/dsa/lantiq_gswip.h
+++ b/drivers/net/dsa/lantiq_gswip.h
@@ -7,6 +7,7 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
+#include <linux/swab.h>
 #include <net/dsa.h>
 
 /* GSWIP MDIO Registers */
@@ -93,6 +94,8 @@
 #define   GSWIP_VERSION_2_1		0x021
 #define   GSWIP_VERSION_2_2		0x122
 #define   GSWIP_VERSION_2_2_ETC		0x022
+#define   GSWIP_VERSION_2_3		0x023
+#define GSWIP_VERSION_GE(priv, ver)	((priv)->version >= swab16(ver))
 
 #define GSWIP_BM_RAM_VAL(x)		(0x043 - (x))
 #define GSWIP_BM_RAM_ADDR		0x044
-- 
2.50.1