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83eacb6ab0
Backport upstream minor fixed for NPU handling that might result in kernel panic or handle leak. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From a3cd6eb3259282a68b608fc923121460c0d3d2f7 Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Fri, 17 Jan 2025 10:35:41 +0100
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Subject: [PATCH 6/9] net: airoha: add initial fixup for GDM3/4 port support
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GDM3 and GDM4 require different configuration for max long frame
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definition, needs the QDMA to strip CRC on RX and require the SPORT to
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be enabled to correctly be identified.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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---
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drivers/net/ethernet/airoha/airoha_eth.c | 12 ++++++++++--
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drivers/net/ethernet/airoha/airoha_regs.h | 1 +
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2 files changed, 11 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/airoha/airoha_eth.c
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+++ b/drivers/net/ethernet/airoha/airoha_eth.c
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@@ -514,8 +514,10 @@ static int airoha_fe_init(struct airoha_
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FIELD_PREP(IP_ASSEMBLE_PORT_MASK, 0) |
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FIELD_PREP(IP_ASSEMBLE_NBQ_MASK, 22));
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- airoha_fe_set(eth, REG_GDM_FWD_CFG(3), GDM_PAD_EN_MASK);
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- airoha_fe_set(eth, REG_GDM_FWD_CFG(4), GDM_PAD_EN_MASK);
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+ airoha_fe_set(eth, REG_GDM_FWD_CFG(3),
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+ GDM_PAD_EN_MASK | GDM_STRIP_CRC_MASK);
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+ airoha_fe_set(eth, REG_GDM_FWD_CFG(4),
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+ GDM_PAD_EN_MASK | GDM_STRIP_CRC_MASK);
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airoha_fe_crsn_qsel_init(eth);
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@@ -1625,7 +1627,8 @@ static int airoha_dev_open(struct net_de
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if (err)
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return err;
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- if (netdev_uses_dsa(dev))
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+ /* It seems GDM3 and GDM4 needs SPORT enabled to correctly work */
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+ if (netdev_uses_dsa(dev) || port->id > 2)
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airoha_fe_set(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
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GDM_STAG_EN_MASK);
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else
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