bus: bt1-axi: change to use devm_clk_get_enabled() helper

Use devm_clk_get_enabled() instead of devm_clk_get() to make the code
cleaner and avoid calling clk_disable_unprepare()

Signed-off-by: Wu Bo <[e-mail]>
Acked-by: Serge Semin <[e-mail]>
Signed-off-by: Thomas Bogendoerfer <[e-mail]>

drivers/bus/bt1-axi.c

···
 	return ret;
 }
 
-static void bt1_axi_disable_clk(void *data)
-{
-	struct bt1_axi *axi = data;
-
-	clk_disable_unprepare(axi->aclk);
-}
-
 static int bt1_axi_request_clk(struct bt1_axi *axi)
 {
-	int ret;
-
-	axi->aclk = devm_clk_get(axi->dev, "aclk");
+	axi->aclk = devm_clk_get_enabled(axi->dev, "aclk");
 	if (IS_ERR(axi->aclk))
 		return dev_err_probe(axi->dev, PTR_ERR(axi->aclk),
 				     "Couldn't get AXI Interconnect clock\n");
 
-	ret = clk_prepare_enable(axi->aclk);
-	if (ret) {
-		dev_err(axi->dev, "Couldn't enable the AXI clock\n");
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(axi->dev, bt1_axi_disable_clk, axi);
-	if (ret)
-		dev_err(axi->dev, "Can't add AXI clock disable action\n");
-
-	return ret;
+	return 0;
 }
 
 static int bt1_axi_request_irq(struct bt1_axi *axi)