diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/739-v5.15-net-dsa-qca8k-fix-kernel-panic-with-legacy-mdio-mapping.patch')
-rw-r--r-- | target/linux/generic/backport-5.10/739-v5.15-net-dsa-qca8k-fix-kernel-panic-with-legacy-mdio-mapping.patch | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/target/linux/generic/backport-5.10/739-v5.15-net-dsa-qca8k-fix-kernel-panic-with-legacy-mdio-mapping.patch b/target/linux/generic/backport-5.10/739-v5.15-net-dsa-qca8k-fix-kernel-panic-with-legacy-mdio-mapping.patch deleted file mode 100644 index 1e293d3a0b..0000000000 --- a/target/linux/generic/backport-5.10/739-v5.15-net-dsa-qca8k-fix-kernel-panic-with-legacy-mdio-mapping.patch +++ /dev/null @@ -1,80 +0,0 @@ -From ce062a0adbfe933b1932235fdfd874c4c91d1bb0 Mon Sep 17 00:00:00 2001 -From: Ansuel Smith <ansuelsmth@gmail.com> -Date: Sat, 11 Sep 2021 17:50:09 +0200 -Subject: net: dsa: qca8k: fix kernel panic with legacy mdio mapping - -When the mdio legacy mapping is used the mii_bus priv registered by DSA -refer to the dsa switch struct instead of the qca8k_priv struct and -causes a kernel panic. Create dedicated function when the internal -dedicated mdio driver is used to properly handle the 2 different -implementation. - -Fixes: 759bafb8a322 ("net: dsa: qca8k: add support for internal phy and internal mdio") -Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/qca8k.c | 30 ++++++++++++++++++++++-------- - 1 file changed, 22 insertions(+), 8 deletions(-) - ---- a/drivers/net/dsa/qca8k.c -+++ b/drivers/net/dsa/qca8k.c -@@ -643,10 +643,8 @@ qca8k_mdio_busy_wait(struct mii_bus *bus - } - - static int --qca8k_mdio_write(struct mii_bus *salve_bus, int phy, int regnum, u16 data) -+qca8k_mdio_write(struct mii_bus *bus, int phy, int regnum, u16 data) - { -- struct qca8k_priv *priv = salve_bus->priv; -- struct mii_bus *bus = priv->bus; - u16 r1, r2, page; - u32 val; - int ret; -@@ -682,10 +680,8 @@ exit: - } - - static int --qca8k_mdio_read(struct mii_bus *salve_bus, int phy, int regnum) -+qca8k_mdio_read(struct mii_bus *bus, int phy, int regnum) - { -- struct qca8k_priv *priv = salve_bus->priv; -- struct mii_bus *bus = priv->bus; - u16 r1, r2, page; - u32 val; - int ret; -@@ -727,6 +723,24 @@ exit: - } - - static int -+qca8k_internal_mdio_write(struct mii_bus *slave_bus, int phy, int regnum, u16 data) -+{ -+ struct qca8k_priv *priv = slave_bus->priv; -+ struct mii_bus *bus = priv->bus; -+ -+ return qca8k_mdio_write(bus, phy, regnum, data); -+} -+ -+static int -+qca8k_internal_mdio_read(struct mii_bus *slave_bus, int phy, int regnum) -+{ -+ struct qca8k_priv *priv = slave_bus->priv; -+ struct mii_bus *bus = priv->bus; -+ -+ return qca8k_mdio_read(bus, phy, regnum); -+} -+ -+static int - qca8k_phy_write(struct dsa_switch *ds, int port, int regnum, u16 data) - { - struct qca8k_priv *priv = ds->priv; -@@ -775,8 +789,8 @@ qca8k_mdio_register(struct qca8k_priv *p - - bus->priv = (void *)priv; - bus->name = "qca8k slave mii"; -- bus->read = qca8k_mdio_read; -- bus->write = qca8k_mdio_write; -+ bus->read = qca8k_internal_mdio_read; -+ bus->write = qca8k_internal_mdio_write; - snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d", - ds->index); - |