realtek: pcs: rtl930x: rename internal mode helpers

RTL930x has some helpers which take care of writing the actual mode
value to the corresponding register. They exist for the MAC setup SerDes
mode, the USXGMII submode and the SerDes IP core mode.

To reflect that, adjust the naming of these helpers accordingly. Most
importantly, prefix the helper names with '__'. This is a common
convention to denote helpers/functions which are internal, not intended
for general use and skip certain checks. Those conditions apply to these
helpers. Though they are still used quite often here, this might change
with further cleanups.

Signed-off-by: Jonas Jelonek <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21565
Signed-off-by: Robert Marko <[email protected]>

target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c

@@ -893,7 +893,7 @@ u16 rtpcs_930x_sds_submode_regs[] = { 0x1cc, 0x1cc, 0x2d8, 0x2d8, 0x2d8, 0x2d8,
 				      0x2d8, 0x2d8};
 u8  rtpcs_930x_sds_submode_lsb[]  = { 0, 5, 0, 5, 10, 15, 20, 25 };
 
-static void rtpcs_930x_sds_set(struct rtpcs_serdes *sds, u32 mode)
+static void __rtpcs_930x_sds_set_mac_mode(struct rtpcs_serdes *sds, u32 mode)
 {
 	u8 sds_id = sds->id;
 
@@ -906,7 +906,7 @@ static void rtpcs_930x_sds_set(struct rtpcs_serdes *sds, u32 mode)
 }
 
 __always_unused
-static u32 rtpcs_930x_sds_mode_get(struct rtpcs_serdes *sds)
+static u32 __rtpcs_930x_sds_get_mac_mode(struct rtpcs_serdes *sds)
 {
 	u8 sds_id = sds->id;
 	u32 v;
@@ -918,7 +918,7 @@ static u32 rtpcs_930x_sds_mode_get(struct rtpcs_serdes *sds)
 }
 
 __always_unused
-static u32 rtpcs_930x_sds_submode_get(struct rtpcs_serdes *sds)
+static u32 __rtpcs_930x_sds_get_usxgmii_submode(struct rtpcs_serdes *sds)
 {
 	u8 sds_id = sds->id;
 	u32 v;
@@ -934,8 +934,8 @@ static u32 rtpcs_930x_sds_submode_get(struct rtpcs_serdes *sds)
 	return v & RTL930X_SDS_MASK;
 }
 
-static void rtpcs_930x_sds_submode_set(struct rtpcs_serdes *sds,
-				       u32 submode)
+static void __rtpcs_930x_sds_set_usxgmii_submode(struct rtpcs_serdes *sds,
+						 u32 submode)
 {
 	u8 sds_id = sds->id;
 
@@ -1059,12 +1059,12 @@ static int rtpcs_930x_sds_wait_clock_ready(struct rtpcs_serdes *sds)
 	return -EBUSY;
 }
 
-static int rtpcs_930x_sds_get_internal_mode(struct rtpcs_serdes *sds)
+static int __rtpcs_930x_sds_get_ip_mode(struct rtpcs_serdes *sds)
 {
 	return rtpcs_sds_read_bits(sds, 0x1f, 0x09, 11, 7);
 }
 
-static void rtpcs_930x_sds_set_internal_mode(struct rtpcs_serdes *sds, int mode)
+static void __rtpcs_930x_sds_set_ip_mode(struct rtpcs_serdes *sds, int mode)
 {
 	rtpcs_sds_write_bits(sds, 0x1f, 0x09, 6, 6, 0x1); /* Force mode enable */
 	rtpcs_sds_write_bits(sds, 0x1f, 0x09, 11, 7, mode);
@@ -1083,16 +1083,16 @@ static void rtpcs_930x_sds_reconfigure_pll(struct rtpcs_serdes *sds, int pll)
 {
 	int mode, tmp, speed;
 
-	mode = rtpcs_930x_sds_get_internal_mode(sds);
+	mode = __rtpcs_930x_sds_get_ip_mode(sds);
 	rtpcs_930x_sds_get_pll_data(sds, &tmp, &speed);
 
 	rtpcs_930x_sds_set_power(sds, false);
-	rtpcs_930x_sds_set_internal_mode(sds, RTL930X_SDS_OFF);
+	__rtpcs_930x_sds_set_ip_mode(sds, RTL930X_SDS_OFF);
 
 	rtpcs_930x_sds_set_pll_data(sds, pll, speed);
 	rtpcs_930x_sds_reset_cmu(sds);
 
-	rtpcs_930x_sds_set_internal_mode(sds, mode);
+	__rtpcs_930x_sds_set_ip_mode(sds, mode);
 	if (rtpcs_930x_sds_wait_clock_ready(sds))
 		pr_err("%s: SDS %d could not sync clock\n", __func__, sds->id);
 
@@ -1126,7 +1126,7 @@ static int rtpcs_930x_sds_config_pll(struct rtpcs_serdes *sds,
 	 * the state of a SerDes back to RTL930X_SDS_OFF is not (yet) implemented.
 	 */
 
-	neighbor_mode = rtpcs_930x_sds_get_internal_mode(nb_sds);
+	neighbor_mode = __rtpcs_930x_sds_get_ip_mode(nb_sds);
 	rtpcs_930x_sds_get_pll_data(nb_sds, &neighbor_pll, &neighbor_speed);
 
 	if ((hw_mode == RTPCS_SDS_MODE_1000BASEX) ||
@@ -1237,7 +1237,7 @@ static void rtpcs_930x_sds_force_mode(struct rtpcs_serdes *sds,
 	}
 
 	rtpcs_930x_sds_set_power(sds, false);
-	rtpcs_930x_sds_set_internal_mode(sds, RTL930X_SDS_OFF);
+	__rtpcs_930x_sds_set_ip_mode(sds, RTL930X_SDS_OFF);
 	if (hw_mode == RTPCS_SDS_MODE_OFF)
 		return;
 
@@ -1245,7 +1245,7 @@ static void rtpcs_930x_sds_force_mode(struct rtpcs_serdes *sds,
 		pr_err("%s: SDS %d could not configure PLL for mode %d\n", __func__,
 		       sds->id, hw_mode);
 
-	rtpcs_930x_sds_set_internal_mode(sds, mode_val);
+	__rtpcs_930x_sds_set_ip_mode(sds, mode_val);
 	if (rtpcs_930x_sds_wait_clock_ready(sds))
 		pr_err("%s: SDS %d could not sync clock\n", __func__, sds->id);
 
@@ -1279,14 +1279,14 @@ static void rtpcs_930x_sds_mode_set(struct rtpcs_serdes *sds,
 	}
 
 	/* SerDes off first. */
-	rtpcs_930x_sds_set(sds, RTL930X_SDS_OFF);
+	__rtpcs_930x_sds_set_mac_mode(sds, RTL930X_SDS_OFF);
 
 	/* Set the mode. */
-	rtpcs_930x_sds_set(sds, mode_val);
+	__rtpcs_930x_sds_set_mac_mode(sds, mode_val);
 
 	/* Set the submode if needed. */
 	if (hw_mode == RTPCS_SDS_MODE_USXGMII_10GQXGMII)
-		rtpcs_930x_sds_submode_set(sds, submode_val);
+		__rtpcs_930x_sds_set_usxgmii_submode(sds, submode_val);
 }
 
 static void rtpcs_930x_sds_tx_config(struct rtpcs_serdes *sds,
@@ -2542,7 +2542,7 @@ static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
 	}
 
 	/* Turn Off Serdes */
-	rtpcs_930x_sds_set(sds, RTL930X_SDS_OFF);
+	__rtpcs_930x_sds_set_mac_mode(sds, RTL930X_SDS_OFF);
 
 	/* Apply serdes patches */
 	rtpcs_930x_sds_patch(sds, hw_mode);