forked from Openwrt-EcoNet/openwrt
b0c8780604
Update BCM5325 patches to the latest version sent to netdev. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From 2497ff2da6b938544868e49f6017bdbe56773d80 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Fri, 30 May 2025 23:18:03 +0200
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Subject: [RFC PATCH net-next v2 06/10] net: dsa: b53: prevent BRCM_HDR access
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on BCM5325
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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BCM5325 doesn't implement BRCM_HDR register so we should avoid reading or
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writing it.
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Fixes: b409a9efa183 ("net: dsa: b53: Move Broadcom header setup to b53")
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
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---
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drivers/net/dsa/b53/b53_common.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/net/dsa/b53/b53_common.c
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+++ b/drivers/net/dsa/b53/b53_common.c
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@@ -730,6 +730,10 @@ void b53_brcm_hdr_setup(struct dsa_switc
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hdr_ctl |= GC_FRM_MGMT_PORT_M;
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b53_write8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, hdr_ctl);
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+ /* B53_BRCM_HDR not present on BCM5325 */
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+ if (is5325(dev))
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+ return;
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+
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/* Enable Broadcom tags for IMP port */
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b53_read8(dev, B53_MGMT_PAGE, B53_BRCM_HDR, &hdr_ctl);
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if (tag_en)
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