staging: mfd: hi6421-spmi-pmic: cleanup OF properties

Simplify the names of the DT properties and do some cleanups,
in order to better document them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/24ffcd28a17ee7b0940d8aabef556d172d5feddf.1597647359.git.mchehab+huawei@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/hikey9xx/hi6421-spmi-pmic.c

@@ -209,37 +209,37 @@ static int get_pmic_device_tree_data(struct device_node *np, struct hisi_pmic *p
 	int ret = 0;
 
 	/*get pmic irq num*/
-	ret = of_property_read_u32_array(np, "hisilicon,hisi-pmic-irq-num",
+	ret = of_property_read_u32_array(np, "irq-num",
 					 &pmic->irqnum, 1);
 	if (ret) {
-		pr_err("no hisilicon,hisi-pmic-irq-num property set\n");
+		pr_err("no irq-num property set\n");
 		ret = -ENODEV;
 		return ret;
 	}
 
 	/*get pmic irq array number*/
-	ret = of_property_read_u32_array(np, "hisilicon,hisi-pmic-irq-array",
+	ret = of_property_read_u32_array(np, "irq-array",
 					 &pmic->irqarray, 1);
 	if (ret) {
-		pr_err("no hisilicon,hisi-pmic-irq-array property set\n");
+		pr_err("no irq-array property set\n");
 		ret = -ENODEV;
 		return ret;
 	}
 
 	/*SOC_PMIC_IRQ_MASK_0_ADDR*/
-	ret = of_property_read_u32_array(np, "hisilicon,hisi-pmic-irq-mask-addr",
+	ret = of_property_read_u32_array(np, "irq-mask-addr",
 					 (int *)&pmic->irq_mask_addr, 2);
 	if (ret) {
-		pr_err("no hisilicon,hisi-pmic-irq-mask-addr property set\n");
+		pr_err("no irq-mask-addr property set\n");
 		ret = -ENODEV;
 		return ret;
 	}
 
 	/*SOC_PMIC_IRQ0_ADDR*/
-	ret = of_property_read_u32_array(np, "hisilicon,hisi-pmic-irq-addr",
+	ret = of_property_read_u32_array(np, "irq-addr",
 					 (int *)&pmic->irq_addr, 2);
 	if (ret) {
-		pr_err("no hisilicon,hisi-pmic-irq-addr property set\n");
+		pr_err("no irq-addr property set\n");
 		ret = -ENODEV;
 		return ret;
 	}