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realtek: pcs: assign SerDes reference upon PCS creation

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Upon creation of a phylink_pcs instance by calling rtpcs_create, assign
a reference to the corresponding SerDes to the link structure. In the
next step, this should be used everywhere instead of the plain SerDes
number.

Rename the field used to hold the SerDes number from 'sds' to 'sds_num'
and name the new field 'sds' to make clear what is what.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21146
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Jonas Jelonek
2025-12-13 10:29:56 +00:00
committed by Robert Marko
parent 232c1fb14a
commit 69bbcc685b
1 changed files with 16 additions and 12 deletions
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28
target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
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@@ -152,7 +152,8 @@ struct rtpcs_ctrl {
struct rtpcs_link {
struct rtpcs_ctrl *ctrl;
struct phylink_pcs pcs;
int sds;
struct rtpcs_serdes *sds;
int sds_id;
int port;
};
@@ -2919,7 +2920,7 @@ static void rtpcs_pcs_an_restart(struct phylink_pcs *pcs)
struct rtpcs_ctrl *ctrl = link->ctrl;
dev_warn(ctrl->dev, "an_restart() for port %d and sds %d not yet implemented\n",
link->port, link->sds);
link->port, link->sds_id);
}
static int rtpcs_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
@@ -2930,7 +2931,7 @@ static int rtpcs_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
struct rtpcs_ctrl *ctrl = link->ctrl;
int ret = 0;
if (link->sds < 0)
if (link->sds_id < 0)
return 0;
/*
@@ -2940,18 +2941,18 @@ static int rtpcs_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
*/
dev_warn(ctrl->dev, "pcs_config(%s) for port %d and sds %d not yet fully implemented\n",
phy_modes(interface), link->port, link->sds);
phy_modes(interface), link->port, link->sds_id);
mutex_lock(&ctrl->lock);
if (ctrl->cfg->setup_serdes) {
ret = ctrl->cfg->setup_serdes(ctrl, link->sds, interface);
ret = ctrl->cfg->setup_serdes(ctrl, link->sds_id, interface);
if (ret < 0)
goto out;
}
if (ctrl->cfg->set_autoneg) {
ret = ctrl->cfg->set_autoneg(ctrl, link->sds, neg_mode);
ret = ctrl->cfg->set_autoneg(ctrl, link->sds_id, neg_mode);
if (ret < 0)
goto out;
}
@@ -2969,7 +2970,7 @@ struct phylink_pcs *rtpcs_create(struct device *dev, struct device_node *np, int
struct device_node *pcs_np;
struct rtpcs_ctrl *ctrl;
struct rtpcs_link *link;
u32 sds;
u32 sds_id;
if (!np || !of_device_is_available(np))
return ERR_PTR(-ENODEV);
@@ -2997,9 +2998,11 @@ struct phylink_pcs *rtpcs_create(struct device *dev, struct device_node *np, int
if (port < 0 || port > ctrl->cfg->cpu_port)
return ERR_PTR(-EINVAL);
if (of_property_read_u32(np, "reg", &sds))
if (of_property_read_u32(np, "reg", &sds_id))
return ERR_PTR(-EINVAL);
if (rtpcs_sds_read(ctrl, sds, 0, 0) < 0)
if (sds_id >= ctrl->cfg->serdes_count)
return ERR_PTR(-EINVAL);
if (rtpcs_sds_read(ctrl, sds_id, 0, 0) < 0)
return ERR_PTR(-EINVAL);
link = kzalloc(sizeof(*link), GFP_KERNEL);
@@ -3012,13 +3015,14 @@ struct phylink_pcs *rtpcs_create(struct device *dev, struct device_node *np, int
link->ctrl = ctrl;
link->port = port;
link->sds = sds;
link->sds = &ctrl->serdes[sds_id];
link->sds_id = sds_id;
link->pcs.ops = ctrl->cfg->pcs_ops;
link->pcs.neg_mode = true;
ctrl->link[port] = link;
dev_dbg(ctrl->dev, "phylink_pcs created, port %d, sds %d\n", port, sds);
dev_dbg(ctrl->dev, "phylink_pcs created, port %d, sds %d\n", port, sds_id);
return &link->pcs;
}
@@ -3086,7 +3090,7 @@ static int rtpcs_probe(struct platform_device *pdev)
ret = of_property_read_u32(child, "reg", &sds_id);
if (ret)
return ret;
if (sds >= ctrl->cfg->serdes_count)
if (sds_id >= ctrl->cfg->serdes_count)
return -EINVAL;
ctrl->rx_pol_inv[sds_id] = of_property_read_bool(child, "realtek,pnswap-rx");