net: ipa: make use of dev_err_cast_probe()

Using dev_err_cast_probe() to simplify the code.

Signed-off-by: Hongbo Li <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ipa/ipa_power.c

···
 	int ret;
 
 	clk = clk_get(dev, "core");
-	if (IS_ERR(clk)) {
-		dev_err_probe(dev, PTR_ERR(clk), "error getting core clock\n");
-
-		return ERR_CAST(clk);
-	}
+	if (IS_ERR(clk))
+		return dev_err_cast_probe(dev, clk, "error getting core clock\n");
 
 	ret = clk_set_rate(clk, data->core_clock_rate);
 	if (ret) {