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Backport lots upstream changes, many of them fixes, for the mt7530 DSA driver, similar to how it was done for Linux 6.1 in the previous commit. The remaining differences compared to the upstream driver are only the 'slave' -> 'user', 'master' -> 'conduit' language change in DSA and the rename of 'struct ethtool_eee' to 'struct ethtool_keee' as well as tree-wide replacement of ethtool_sprintf with ethtool_puts, all of them do not have any functional impact. Apart from some minor bug fixes and style improvements the switch should now behave more conformant when it comes to link-local frames, and we will again be able to cleanly pick patches from upstream. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
From 12c511cd31c2dc6bd96e4a89f7709d515aa8a76b Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
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Date: Tue, 6 Feb 2024 01:08:03 +0300
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Subject: [PATCH 13/30] net: dsa: mt7530: move XTAL check to mt7530_setup()
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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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The crystal frequency concerns the switch core. The frequency should be
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checked when the switch is being set up so the driver can reject the
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unsupported hardware earlier and without requiring port 6 to be used.
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Move it to mt7530_setup(). Drop the unnecessary function printing.
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
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Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
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Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-2-d7d92a185cb1@arinc9.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/dsa/mt7530.c | 13 ++++++-------
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1 file changed, 6 insertions(+), 7 deletions(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -422,13 +422,6 @@ mt7530_pad_clk_setup(struct dsa_switch *
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xtal = mt7530_read(priv, MT7530_MHWTRAP) & HWTRAP_XTAL_MASK;
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- if (xtal == HWTRAP_XTAL_20MHZ) {
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- dev_err(priv->dev,
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- "%s: MT7530 with a 20MHz XTAL is not supported!\n",
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- __func__);
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- return -EINVAL;
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- }
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-
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switch (interface) {
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case PHY_INTERFACE_MODE_RGMII:
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trgint = 0;
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@@ -2295,6 +2288,12 @@ mt7530_setup(struct dsa_switch *ds)
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return -ENODEV;
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}
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+ if ((val & HWTRAP_XTAL_MASK) == HWTRAP_XTAL_20MHZ) {
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+ dev_err(priv->dev,
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+ "MT7530 with a 20MHz XTAL is not supported!\n");
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+ return -EINVAL;
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+ }
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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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