phy: rockchip: samsung-hdptx: Do no set rk_hdptx_phy->rate in case of errors

Ensure rk_hdptx_ropll_tmds_cmn_config() updates hdptx->rate only after
all the other operations have been successful.

Fixes: c4b09c5 ("phy: phy-rockchip-samsung-hdptx: Add clock provider support")
Signed-off-by: Cristian Ciocaltea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: cristicc

drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c

@@ -1006,9 +1006,7 @@ static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx,
 {
 	const struct ropll_config *cfg = NULL;
 	struct ropll_config rc = {0};
-	int i;
-
-	hdptx->rate = rate * 100;
+	int ret, i;
 
 	for (i = 0; i < ARRAY_SIZE(ropll_tmds_cfg); i++)
 		if (rate == ropll_tmds_cfg[i].bit_rate) {
@@ -1063,7 +1061,11 @@ static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx,
 	regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_EN_MASK,
 			   FIELD_PREP(PLL_PCG_CLK_EN_MASK, 0x1));
 
-	return rk_hdptx_post_enable_pll(hdptx);
+	ret = rk_hdptx_post_enable_pll(hdptx);
+	if (!ret)
+		hdptx->rate = rate * 100;
+
+	return ret;
 }
 
 static int rk_hdptx_ropll_tmds_mode_config(struct rk_hdptx_phy *hdptx,