--- zzzz-none-000/linux-4.4.271/drivers/clk/qcom/mmcc-apq8084.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/clk/qcom/mmcc-apq8084.c	2023-04-19 10:22:28.000000000 +0000
@@ -3396,6 +3396,9 @@
 		return ret;
 
 	regmap = dev_get_regmap(&pdev->dev, NULL);
+	if (!regmap)
+		return -ENODEV;
+
 	clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
 	clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);