mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-30 18:52:14 +00:00
f2f42a54e8
The qca8k patch series brings the numbering to 799. This patch renames 7xx patches to create space for more backports to be added. Signed-off-by: Matthew Hagan <mnhagan88@gmail.com> [rename 729->719] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
87 lines
2.5 KiB
Diff
87 lines
2.5 KiB
Diff
From 504bf65931824eda83494e5b5d75686e27ace03e Mon Sep 17 00:00:00 2001
|
|
From: Ansuel Smith <ansuelsmth@gmail.com>
|
|
Date: Fri, 14 May 2021 22:59:53 +0200
|
|
Subject: [PATCH] net: dsa: qca8k: improve qca8k read/write/rmw bus access
|
|
|
|
Put bus in local variable to improve faster access to the mdio bus.
|
|
|
|
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
|
|
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
|
|
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
---
|
|
drivers/net/dsa/qca8k.c | 29 ++++++++++++++++-------------
|
|
1 file changed, 16 insertions(+), 13 deletions(-)
|
|
|
|
--- a/drivers/net/dsa/qca8k.c
|
|
+++ b/drivers/net/dsa/qca8k.c
|
|
@@ -142,17 +142,18 @@ qca8k_set_page(struct mii_bus *bus, u16
|
|
static u32
|
|
qca8k_read(struct qca8k_priv *priv, u32 reg)
|
|
{
|
|
+ struct mii_bus *bus = priv->bus;
|
|
u16 r1, r2, page;
|
|
u32 val;
|
|
|
|
qca8k_split_addr(reg, &r1, &r2, &page);
|
|
|
|
- mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
+ mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
|
|
- qca8k_set_page(priv->bus, page);
|
|
- val = qca8k_mii_read32(priv->bus, 0x10 | r2, r1);
|
|
+ qca8k_set_page(bus, page);
|
|
+ val = qca8k_mii_read32(bus, 0x10 | r2, r1);
|
|
|
|
- mutex_unlock(&priv->bus->mdio_lock);
|
|
+ mutex_unlock(&bus->mdio_lock);
|
|
|
|
return val;
|
|
}
|
|
@@ -160,35 +161,37 @@ qca8k_read(struct qca8k_priv *priv, u32
|
|
static void
|
|
qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val)
|
|
{
|
|
+ struct mii_bus *bus = priv->bus;
|
|
u16 r1, r2, page;
|
|
|
|
qca8k_split_addr(reg, &r1, &r2, &page);
|
|
|
|
- mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
+ mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
|
|
- qca8k_set_page(priv->bus, page);
|
|
- qca8k_mii_write32(priv->bus, 0x10 | r2, r1, val);
|
|
+ qca8k_set_page(bus, page);
|
|
+ qca8k_mii_write32(bus, 0x10 | r2, r1, val);
|
|
|
|
- mutex_unlock(&priv->bus->mdio_lock);
|
|
+ mutex_unlock(&bus->mdio_lock);
|
|
}
|
|
|
|
static u32
|
|
qca8k_rmw(struct qca8k_priv *priv, u32 reg, u32 mask, u32 val)
|
|
{
|
|
+ struct mii_bus *bus = priv->bus;
|
|
u16 r1, r2, page;
|
|
u32 ret;
|
|
|
|
qca8k_split_addr(reg, &r1, &r2, &page);
|
|
|
|
- mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
+ mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED);
|
|
|
|
- qca8k_set_page(priv->bus, page);
|
|
- ret = qca8k_mii_read32(priv->bus, 0x10 | r2, r1);
|
|
+ qca8k_set_page(bus, page);
|
|
+ ret = qca8k_mii_read32(bus, 0x10 | r2, r1);
|
|
ret &= ~mask;
|
|
ret |= val;
|
|
- qca8k_mii_write32(priv->bus, 0x10 | r2, r1, ret);
|
|
+ qca8k_mii_write32(bus, 0x10 | r2, r1, ret);
|
|
|
|
- mutex_unlock(&priv->bus->mdio_lock);
|
|
+ mutex_unlock(&bus->mdio_lock);
|
|
|
|
return ret;
|
|
}
|