--- zzzz-none-000/linux-3.10.107/arch/mips/txx9/generic/pci.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/txx9/generic/pci.c	2021-02-04 17:41:59.000000000 +0000
@@ -268,7 +268,7 @@
 	return err;
 }
 
-static void quirk_slc90e66_bridge(struct pci_dev *dev)
+static void __init_refok quirk_slc90e66_bridge(struct pci_dev *dev)
 {
 	int irq;	/* PCI/ISA Bridge interrupt */
 	u8 reg_64;
@@ -331,7 +331,7 @@
 	 * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
 	 */
 	dat |= 0x01;
-	pci_write_config_byte(dev, regs[i], dat);
+	pci_write_config_byte(dev, 0x5c, dat);
 	pci_read_config_byte(dev, 0x5c, &dat);
 	printk(KERN_CONT " REG5C %02x", dat);
 	printk(KERN_CONT "\n");