diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/750-v5.16-net-dsa-qca8k-make-sure-pad0-mac06-exchange-is-disabled.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/750-v5.16-net-dsa-qca8k-make-sure-pad0-mac06-exchange-is-disabled.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/generic/backport-5.10/750-v5.16-net-dsa-qca8k-make-sure-pad0-mac06-exchange-is-disabled.patch b/target/linux/generic/backport-5.10/750-v5.16-net-dsa-qca8k-make-sure-pad0-mac06-exchange-is-disabled.patch deleted file mode 100644 index 4a61703c52..0000000000 --- a/target/linux/generic/backport-5.10/750-v5.16-net-dsa-qca8k-make-sure-pad0-mac06-exchange-is-disabled.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 5f15d392dcb4aa250a63d6f2c5adfc26c0aedc78 Mon Sep 17 00:00:00 2001 -From: Ansuel Smith <ansuelsmth@gmail.com> -Date: Tue, 2 Nov 2021 19:30:41 +0100 -Subject: net: dsa: qca8k: make sure PAD0 MAC06 exchange is disabled - -Some device set MAC06 exchange in the bootloader. This cause some -problem as we don't support this strange mode and we just set the port6 -as the primary CPU port. With MAC06 exchange, PAD0 reg configure port6 -instead of port0. Add an extra check and explicitly disable MAC06 exchange -to correctly configure the port PAD config. - -Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> -Fixes: 3fcf734aa482 ("net: dsa: qca8k: add support for cpu port 6") -Reviewed-by: Vladimir Oltean <olteanv@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/qca8k.c | 8 ++++++++ - drivers/net/dsa/qca8k.h | 1 + - 2 files changed, 9 insertions(+) - ---- a/drivers/net/dsa/qca8k.c -+++ b/drivers/net/dsa/qca8k.c -@@ -1109,6 +1109,14 @@ qca8k_setup(struct dsa_switch *ds) - if (ret) - return ret; - -+ /* Make sure MAC06 is disabled */ -+ ret = qca8k_reg_clear(priv, QCA8K_REG_PORT0_PAD_CTRL, -+ QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN); -+ if (ret) { -+ dev_err(priv->dev, "failed disabling MAC06 exchange"); -+ return ret; -+ } -+ - /* Enable CPU Port */ - ret = qca8k_reg_set(priv, QCA8K_REG_GLOBAL_FW_CTRL0, - QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN); ---- a/drivers/net/dsa/qca8k.h -+++ b/drivers/net/dsa/qca8k.h -@@ -34,6 +34,7 @@ - #define QCA8K_MASK_CTRL_DEVICE_ID_MASK GENMASK(15, 8) - #define QCA8K_MASK_CTRL_DEVICE_ID(x) ((x) >> 8) - #define QCA8K_REG_PORT0_PAD_CTRL 0x004 -+#define QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN BIT(31) - #define QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE BIT(19) - #define QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE BIT(18) - #define QCA8K_REG_PORT5_PAD_CTRL 0x008 |