diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/735-v5.14-14-net-dsa-qca8k-add-support-for-switch-rev.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/735-v5.14-14-net-dsa-qca8k-add-support-for-switch-rev.patch | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/target/linux/generic/backport-5.10/735-v5.14-14-net-dsa-qca8k-add-support-for-switch-rev.patch b/target/linux/generic/backport-5.10/735-v5.14-14-net-dsa-qca8k-add-support-for-switch-rev.patch deleted file mode 100644 index ed9b8188de..0000000000 --- a/target/linux/generic/backport-5.10/735-v5.14-14-net-dsa-qca8k-add-support-for-switch-rev.patch +++ /dev/null @@ -1,114 +0,0 @@ -From 95ffeaf18b3bb90eeef52cbf7d79ccc9d0345ff5 Mon Sep 17 00:00:00 2001 -From: Ansuel Smith <ansuelsmth@gmail.com> -Date: Fri, 14 May 2021 23:00:04 +0200 -Subject: [PATCH] net: dsa: qca8k: add support for switch rev - -qca8k internal phy driver require some special debug value to be set -based on the switch revision. Rework the switch id read function to -also read the chip revision. - -Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> -Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/qca8k.c | 53 ++++++++++++++++++++++++++--------------- - drivers/net/dsa/qca8k.h | 7 ++++-- - 2 files changed, 39 insertions(+), 21 deletions(-) - ---- a/drivers/net/dsa/qca8k.c -+++ b/drivers/net/dsa/qca8k.c -@@ -1588,12 +1588,40 @@ static const struct dsa_switch_ops qca8k - .phylink_mac_link_up = qca8k_phylink_mac_link_up, - }; - -+static int qca8k_read_switch_id(struct qca8k_priv *priv) -+{ -+ const struct qca8k_match_data *data; -+ u32 val; -+ u8 id; -+ -+ /* get the switches ID from the compatible */ -+ data = of_device_get_match_data(priv->dev); -+ if (!data) -+ return -ENODEV; -+ -+ val = qca8k_read(priv, QCA8K_REG_MASK_CTRL); -+ if (val < 0) -+ return -ENODEV; -+ -+ id = QCA8K_MASK_CTRL_DEVICE_ID(val & QCA8K_MASK_CTRL_DEVICE_ID_MASK); -+ if (id != data->id) { -+ dev_err(priv->dev, "Switch id detected %x but expected %x", id, data->id); -+ return -ENODEV; -+ } -+ -+ priv->switch_id = id; -+ -+ /* Save revision to communicate to the internal PHY driver */ -+ priv->switch_revision = (val & QCA8K_MASK_CTRL_REV_ID_MASK); -+ -+ return 0; -+} -+ - static int - qca8k_sw_probe(struct mdio_device *mdiodev) - { -- const struct qca8k_match_data *data; - struct qca8k_priv *priv; -- u32 id; -+ int ret; - - /* allocate the private data struct so that we can probe the switches - * ID register -@@ -1619,24 +1647,11 @@ qca8k_sw_probe(struct mdio_device *mdiod - gpiod_set_value_cansleep(priv->reset_gpio, 0); - } - -- /* get the switches ID from the compatible */ -- data = of_device_get_match_data(&mdiodev->dev); -- if (!data) -- return -ENODEV; -+ /* Check the detected switch id */ -+ ret = qca8k_read_switch_id(priv); -+ if (ret) -+ return ret; - -- /* read the switches ID register */ -- id = qca8k_read(priv, QCA8K_REG_MASK_CTRL); -- if (id < 0) -- return id; -- -- id >>= QCA8K_MASK_CTRL_ID_S; -- id &= QCA8K_MASK_CTRL_ID_M; -- if (id != data->id) { -- dev_err(&mdiodev->dev, "Switch id detected %x but expected %x", id, data->id); -- return -ENODEV; -- } -- -- priv->switch_id = id; - priv->ds = devm_kzalloc(&mdiodev->dev, sizeof(*priv->ds), GFP_KERNEL); - if (!priv->ds) - return -ENOMEM; ---- a/drivers/net/dsa/qca8k.h -+++ b/drivers/net/dsa/qca8k.h -@@ -30,8 +30,10 @@ - - /* Global control registers */ - #define QCA8K_REG_MASK_CTRL 0x000 --#define QCA8K_MASK_CTRL_ID_M 0xff --#define QCA8K_MASK_CTRL_ID_S 8 -+#define QCA8K_MASK_CTRL_REV_ID_MASK GENMASK(7, 0) -+#define QCA8K_MASK_CTRL_REV_ID(x) ((x) >> 0) -+#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_REG_PORT5_PAD_CTRL 0x008 - #define QCA8K_REG_PORT6_PAD_CTRL 0x00c -@@ -251,6 +253,7 @@ struct qca8k_match_data { - - struct qca8k_priv { - u8 switch_id; -+ u8 switch_revision; - struct regmap *regmap; - struct mii_bus *bus; - struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS]; |