net: stmmac: replace the has_integrated_pcs field with a flag

struct plat_stmmacenet_data contains several boolean fields that could be
easily replaced with a common integer 'flags' bitfield and bit defines.

Start the process with the has_integrated_pcs field.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20230710090001.303225-2-brgl@bgdev.plReviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c

@@ -786,7 +786,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 	plat_dat->tso_en = of_property_read_bool(np, "snps,tso");
 	if (of_device_is_compatible(np, "qcom,qcs404-ethqos"))
 		plat_dat->rx_clk_runs_in_lpi = 1;
-	plat_dat->has_integrated_pcs = data->has_integrated_pcs;
+	if (data->has_integrated_pcs)
+		plat_dat->flags |= STMMAC_FLAG_HAS_INTEGRATED_PCS;
 
 	if (ethqos->serdes_phy) {
 		plat_dat->serdes_powerup = qcom_ethqos_serdes_powerup;

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -5798,7 +5798,8 @@ static void stmmac_common_interrupt(struct stmmac_priv *priv)
 		}
 
 		/* PCS link status */
-		if (priv->hw->pcs && !priv->plat->has_integrated_pcs) {
+		if (priv->hw->pcs &&
+		    !(priv->plat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS)) {
 			if (priv->xstats.pcs_link)
 				netif_carrier_on(priv->dev);
 			else

include/linux/stmmac.h

@@ -204,6 +204,8 @@ struct dwmac4_addrs {
 	u32 mtl_low_cred_offset;
 };
 
+#define STMMAC_FLAG_HAS_INTEGRATED_PCS		BIT(0)
+
 struct plat_stmmacenet_data {
 	int bus_id;
 	int phy_addr;
@@ -293,6 +295,6 @@ struct plat_stmmacenet_data {
 	bool sph_disable;
 	bool serdes_up_after_phy_linkup;
 	const struct dwmac4_addrs *dwmac4_addrs;
-	bool has_integrated_pcs;
+	unsigned int flags;
 };
 #endif