realtek: pcs: rtl931x: improve CMU page mapping

Improve the RTL931x mapper to infer the CMU page from the hardware mode
by replace unneeded with useful comments, returning a better error code
and dropping irrelevant parts.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/22198
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
index 198794f1fe76d67a6eaefd70a24d2acf0854a40d..f93715a46dce1c709afa799e017c39f4c33d9678 100644 (file)
--- a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
+++ b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
@@ -3427,21 +3427,24 @@ static int rtpcs_931x_sds_cmu_page_get(enum rtpcs_sds_mode hw_mode)
 {
        switch (hw_mode) {
        case RTPCS_SDS_MODE_SGMII:
-       case RTPCS_SDS_MODE_1000BASEX:          /* MII_1000BX_FIBER / 100BX_FIBER / 1000BX100BX_AUTO */
-               return 0x24;
-       case RTPCS_SDS_MODE_2500BASEX:          /* MII_2500Base_X: */
-               return 0x28;
-/*     case MII_HISGMII_5G: */
-/*             return 0x2a; */
+       case RTPCS_SDS_MODE_1000BASEX:
+               return 0x24;                    /* ANA_1G */
+       case RTPCS_SDS_MODE_2500BASEX:
+               return 0x28;                    /* ANA_3G */
        case RTPCS_SDS_MODE_QSGMII:
-               return 0x2a;                    /* Code also has 0x34 */
-/*     case MII_RXAUI_LITE: */
-/*             return 0x2c; */
-       case RTPCS_SDS_MODE_XSGMII:             /* MII_XSGMII */
-       case RTPCS_SDS_MODE_10GBASER:           /* MII_10GR */
-               return 0x2e;
+               return 0x2a;                    /* ANA_5G/6G */
+       //      return 0x34;
+       case RTPCS_SDS_MODE_XSGMII:
+       case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
+       case RTPCS_SDS_MODE_USXGMII_10GDXGMII:
+       case RTPCS_SDS_MODE_USXGMII_10GQXGMII:
+       case RTPCS_SDS_MODE_USXGMII_5GSXGMII:
+       case RTPCS_SDS_MODE_USXGMII_5GDXGMII:
+       case RTPCS_SDS_MODE_USXGMII_2_5GSXGMII:
+       case RTPCS_SDS_MODE_10GBASER:
+               return 0x2e;                    /* ANA_10G */
        default:
-               return -EINVAL;
+               return -ENOTSUPP;
        }
 }