From: Krzysztof Hałasa <khc@pm.waw.pl>
Date: Sun, 17 Apr 2011 19:06:06 +0000 (+0200)
Subject: IXP4xx: Remove time limit for PCI TRDY to enable use of slow devices.
X-Git-Tag: next-20121015~7^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d5f1d48164a83188ec90aa0dda22838ae8344cda;p=karo-tx-linux.git

IXP4xx: Remove time limit for PCI TRDY to enable use of slow devices.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
---

diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index 1694f01ce2b6..6d6bde3e15fa 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -410,6 +410,7 @@ void __init ixp4xx_pci_preinit(void)
 		 * Enable the IO window to be way up high, at 0xfffffc00
 		 */
 		local_write_config(PCI_BASE_ADDRESS_5, 4, 0xfffffc01);
+		local_write_config(0x40, 4, 0x000080FF); /* No TRDY time limit */
 	} else {
 		printk("PCI: IXP4xx is target - No bus scan performed\n");
 	}