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path: root/target/linux/generic/backport-5.15/743-v5.16-0004-net-dsa-b53-Drop-unused-cpu_port-field.patch
blob: 746a1e39782370c4fec76103c9eaf0c75b9f1aea (plain)
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From 7d5af56418d7d01e43247a33b6fe6492ea871923 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 16 Sep 2021 14:03:54 +0200
Subject: [PATCH] net: dsa: b53: Drop unused "cpu_port" field
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It's set but never used anymore.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 drivers/net/dsa/b53/b53_common.c | 28 ----------------------------
 drivers/net/dsa/b53/b53_priv.h   |  1 -
 2 files changed, 29 deletions(-)

--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2300,7 +2300,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 2,
 		.arl_buckets = 1024,
 		.imp_port = 5,
-		.cpu_port = B53_CPU_PORT_25,
 		.duplex_reg = B53_DUPLEX_STAT_FE,
 	},
 	{
@@ -2311,7 +2310,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 2,
 		.arl_buckets = 1024,
 		.imp_port = 5,
-		.cpu_port = B53_CPU_PORT_25,
 		.duplex_reg = B53_DUPLEX_STAT_FE,
 	},
 	{
@@ -2322,7 +2320,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2336,7 +2333,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2350,7 +2346,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS_9798,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2364,7 +2359,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS_9798,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2379,7 +2373,6 @@ static const struct b53_chip_data b53_sw
 		.arl_buckets = 1024,
 		.vta_regs = B53_VTA_REGS,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
 		.jumbo_size_reg = B53_JUMBO_MAX_SIZE,
@@ -2392,7 +2385,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2406,7 +2398,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2420,7 +2411,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS_63XX,
 		.duplex_reg = B53_DUPLEX_STAT_63XX,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX,
@@ -2434,7 +2424,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2448,7 +2437,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2462,7 +2450,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2476,7 +2463,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2490,7 +2476,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2504,7 +2489,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2518,7 +2502,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2547,7 +2530,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 1024,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2561,7 +2543,6 @@ static const struct b53_chip_data b53_sw
 		.arl_bins = 4,
 		.arl_buckets = 256,
 		.imp_port = 8,
-		.cpu_port = B53_CPU_PORT,
 		.vta_regs = B53_VTA_REGS,
 		.duplex_reg = B53_DUPLEX_STAT_GE,
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
@@ -2587,7 +2568,6 @@ static int b53_switch_init(struct b53_de
 			dev->vta_regs[2] = chip->vta_regs[2];
 			dev->jumbo_pm_reg = chip->jumbo_pm_reg;
 			dev->imp_port = chip->imp_port;
-			dev->cpu_port = chip->cpu_port;
 			dev->num_vlans = chip->vlans;
 			dev->num_arl_bins = chip->arl_bins;
 			dev->num_arl_buckets = chip->arl_buckets;
@@ -2619,13 +2599,6 @@ static int b53_switch_init(struct b53_de
 			break;
 #endif
 		}
-	} else if (dev->chip_id == BCM53115_DEVICE_ID) {
-		u64 strap_value;
-
-		b53_read48(dev, B53_STAT_PAGE, B53_STRAP_VALUE, &strap_value);
-		/* use second IMP port if GMII is enabled */
-		if (strap_value & SV_GMII_CTRL_115)
-			dev->cpu_port = 5;
 	}
 
 	dev->num_ports = fls(dev->enabled_ports);
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -124,7 +124,6 @@ struct b53_device {
 	/* used ports mask */
 	u16 enabled_ports;
 	unsigned int imp_port;
-	unsigned int cpu_port;
 
 	/* connect specific data */
 	u8 current_page;