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fd42798fea
No manual changes needed.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 1fbe41f489)
75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
From 1bd099c49f65ed923b9f19b8c4b3cd1ff0024091 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Mon, 3 Apr 2023 02:17:40 +0100
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Subject: [PATCH 06/16] net: dsa: mt7530: use unlocked regmap accessors
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Instead of wrapping the locked register accessor functions, use the
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unlocked variants and add locking wrapper functions to let regmap
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handle the locking.
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This is a preparation towards being able to always use regmap to
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access switch registers instead of open-coded accessor functions.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/dsa/mt7530.c | 23 ++++++++++++++---------
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1 file changed, 14 insertions(+), 9 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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@@ -3130,7 +3130,7 @@ static int mt7530_regmap_read(void *cont
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{
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struct mt7530_priv *priv = context;
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- *val = mt7530_read(priv, reg);
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+ *val = mt7530_mii_read(priv, reg);
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return 0;
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};
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@@ -3138,23 +3138,25 @@ static int mt7530_regmap_write(void *con
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{
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struct mt7530_priv *priv = context;
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- mt7530_write(priv, reg, val);
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+ mt7530_mii_write(priv, reg, val);
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return 0;
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};
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-static int mt7530_regmap_update_bits(void *context, unsigned int reg,
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- unsigned int mask, unsigned int val)
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+static void
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+mt7530_mdio_regmap_lock(void *mdio_lock)
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{
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- struct mt7530_priv *priv = context;
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+ mutex_lock_nested(mdio_lock, MDIO_MUTEX_NESTED);
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+}
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- mt7530_rmw(priv, reg, mask, val);
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- return 0;
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-};
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+static void
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+mt7530_mdio_regmap_unlock(void *mdio_lock)
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+{
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+ mutex_unlock(mdio_lock);
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+}
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static const struct regmap_bus mt7531_regmap_bus = {
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.reg_write = mt7530_regmap_write,
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.reg_read = mt7530_regmap_read,
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- .reg_update_bits = mt7530_regmap_update_bits,
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};
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static int
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@@ -3180,6 +3182,9 @@ mt7531_create_sgmii(struct mt7530_priv *
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mt7531_pcs_config[i]->reg_stride = 4;
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mt7531_pcs_config[i]->reg_base = MT7531_SGMII_REG_BASE(5 + i);
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mt7531_pcs_config[i]->max_register = 0x17c;
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+ mt7531_pcs_config[i]->lock = mt7530_mdio_regmap_lock;
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+ mt7531_pcs_config[i]->unlock = mt7530_mdio_regmap_unlock;
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+ mt7531_pcs_config[i]->lock_arg = &priv->bus->mdio_lock;
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regmap = devm_regmap_init(priv->dev,
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&mt7531_regmap_bus, priv,
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