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realtek: pcs: rtl931x: map interface mode to hardware mode

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The PCS driver is intended to use a dedicated hardware mode in the
future because the hardware capabilities and modes of the SerDes do not
align with the PHY_INTERFACE_MODE_* modes.

For the beginning, use the previously introduced generic mode mapping
in the SerDes setup and assign the determined hardware mode to the
corresponding field of a SerDes instance. This allows parallel usage of
both mode representations for the time being, until the phy_interface_t
modes can be dropped from internal functions completely.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21184
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Jonas Jelonek 2025-12-15 17:37:01 +00:00 • committed by Hauke Mehrtens
parent 9856f6b0aa
commit d7a184e3b1
1 changed files with 9 additions and 1 deletions
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10
target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
View file

@ -278,7 +278,6 @@ static struct rtpcs_link *rtpcs_phylink_pcs_to_link(struct phylink_pcs *pcs)
return container_of(pcs, struct rtpcs_link, pcs);
}
__maybe_unused
static int rtpcs_sds_determine_hw_mode(struct rtpcs_serdes *sds,
phy_interface_t if_mode,
enum rtpcs_sds_mode *hw_mode)
@ -2805,6 +2804,7 @@ static int rtpcs_931x_setup_serdes(struct rtpcs_serdes *sds,
struct rtpcs_serdes *even_sds = rtpcs_sds_get_even(sds);
struct rtpcs_ctrl *ctrl = sds->ctrl;
u32 band, ori, model_info, val;
enum rtpcs_sds_mode hw_mode;
u32 sds_id = sds->id;
int ret, chiptype = 0;
@ -2854,6 +2854,13 @@ static int rtpcs_931x_setup_serdes(struct rtpcs_serdes *sds,
/* this was in rtl931x_phylink_mac_config in dsa/rtl83xx/dsa.c before */
band = rtpcs_931x_sds_cmu_band_get(sds, mode);
ret = rtpcs_sds_determine_hw_mode(sds, mode, &hw_mode);
if (ret < 0) {
dev_err(ctrl->dev, "SerDes %u doesn't support %s mode\n", sds_id,
phy_modes(mode));
return -ENOTSUPP;
}
ret = rtpcs_931x_sds_config_mode(sds, mode, chiptype);
if (ret < 0)
return ret;
@ -2894,6 +2901,7 @@ static int rtpcs_931x_setup_serdes(struct rtpcs_serdes *sds,
else
rtpcs_931x_sds_fiber_mode_set(sds, mode);
}
sds->hw_mode = hw_mode;
return 0;
}