--- zzzz-none-000/linux-4.19.183/drivers/mtd/nand/raw/brcmnand/iproc_nand.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/drivers/mtd/nand/raw/brcmnand/iproc_nand.c	2023-06-28 08:54:19.000000000 +0000
@@ -127,8 +127,10 @@
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "iproc-ext");
 	priv->ext_base = devm_ioremap_resource(dev, res);
+#if !defined(CONFIG_BCM_KF_MTD_BCMNAND)
 	if (IS_ERR(priv->ext_base))
 		return PTR_ERR(priv->ext_base);
+#endif
 
 	soc->ctlrdy_ack = iproc_nand_intc_ack;
 	soc->ctlrdy_set_enabled = iproc_nand_intc_set;