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8f8d5decc9
Removed because they are upstream:
generic/backport-5.15/704-15-v5.19-net-mtk_eth_soc-move-MAC_MCR-setting-to-mac_finish.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=c5c0760adc260d55265c086b9efb350ea6dda38b
generic/pending-5.15/735-net-mediatek-mtk_eth_soc-release-MAC_MCR_FORCE_LINK-.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=448cc8b5f743985f6d1d98aa4efb386fef4c3bf2
generic/pending-5.15/736-net-ethernet-mtk_eth_soc-fix-PPE-hanging-issue.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=9fcadd125044007351905d40c405fadc2d3bb6d6
Add new configuration symbols for tegra target.
Tested-by: Stijn Segers <foss@volatilesystems.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit fb2c6e9d4d)
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 3fb8841513c4ec3a2e5d366df86230c45f239a57 Mon Sep 17 00:00:00 2001
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From: Alexander Couzens <lynxis@fe80.eu>
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Date: Sat, 13 Aug 2022 13:08:22 +0200
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Subject: [PATCH 03/10] net: mt7531: ensure all MACs are powered down before
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reset
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The datasheet [1] explicit describes it as requirement for a reset.
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[1] MT7531 Reference Manual for Development Board rev 1.0, page 735
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Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
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---
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drivers/net/dsa/mt7530.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -2467,7 +2467,7 @@ mt7531_setup(struct dsa_switch *ds)
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struct mt7530_priv *priv = ds->priv;
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struct mt7530_dummy_poll p;
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u32 val, id;
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- int ret;
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+ int ret, i;
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/* Reset whole chip through gpio pin or memory-mapped registers for
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* different type of hardware
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@@ -2499,6 +2499,10 @@ mt7531_setup(struct dsa_switch *ds)
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return -ENODEV;
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}
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+ /* all MACs must be forced link-down before sw reset */
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+ for (i = 0; i < MT7530_NUM_PORTS; i++)
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+ mt7530_write(priv, MT7530_PMCR_P(i), MT7531_FORCE_LNK);
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+
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/* Reset the switch through internal reset */
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mt7530_write(priv, MT7530_SYS_CTRL,
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SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
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