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54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
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From 9ec0a800c8e0850e1358b7402d6af557af81cb38 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 31/48] 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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@@ -408,13 +408,6 @@ 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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@@ -2286,6 +2279,12 @@ 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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