X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/d24f4397f1e2e8d831ef8f683a9fbe39aed6c31c..831384550cfca629c98ba023ff198d7d9b429297:/target/linux/rb532-2.6/patches/100-rb5xx_support.patch

diff --git a/target/linux/rb532-2.6/patches/100-rb5xx_support.patch b/target/linux/rb532-2.6/patches/100-rb5xx_support.patch
index 43e68c01b..c5c5ca932 100644
--- a/target/linux/rb532-2.6/patches/100-rb5xx_support.patch
+++ b/target/linux/rb532-2.6/patches/100-rb5xx_support.patch
@@ -130,13 +130,14 @@ diff -urN linux.old/arch/mips/pci/Makefile linux.dev/arch/mips/pci/Makefile
 diff -urN linux.old/arch/mips/pci/ops-rc32434.c linux.dev/arch/mips/pci/ops-rc32434.c
 --- linux.old/arch/mips/pci/ops-rc32434.c	1970-01-01 01:00:00.000000000 +0100
 +++ linux.dev/arch/mips/pci/ops-rc32434.c	2006-12-14 04:09:50.000000000 +0100
-@@ -0,0 +1,195 @@
+@@ -0,0 +1,218 @@
 +/**************************************************************************
 + *
 + *  BRIEF MODULE DESCRIPTION
 + *     pci_ops for IDT EB434 board
 + *
 + *  Copyright 2004 IDT Inc. (rischelp@idt.com)
++ *  Copyright 2006 Felix Fietkau <nbd@openwrt.org>
 + *         
 + *  This program is free software; you can redistribute  it and/or modify it
 + *  under  the terms of  the GNU General  Public License as published by the
@@ -242,8 +243,30 @@ diff -urN linux.old/arch/mips/pci/ops-rc32434.c linux.dev/arch/mips/pci/ops-rc32
 +                             int where, u32 * val)
 +{
 +	int ret;
-+	
++	int delay = 1;
++
++	if (bus->number == 0 && PCI_SLOT(devfn) > 21)
++		return 0;
++
++retry:
 +	ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val);
++	
++	/* PCI scan: check for invalid values, device may not have
++	 * finished initializing */
++
++	if (where == PCI_VENDOR_ID) {
++		if (ret == 0xffffffff || ret == 0x00000000 ||
++			ret == 0x0000ffff || ret == 0xffff0000) {
++
++			if (delay > 4)
++				return 0;
++
++			delay *= 2;
++			msleep(delay);
++			goto retry;
++		}
++	}
++	
 +	return ret;
 +}
 +