openwrtv3/target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch
Luka Perkov cd43416a78 imx6: pcie driver fixups
Add upstream patches needed for PCIe through a switch.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

SVN-Revision: 38511
2013-10-23 22:16:03 +00:00

24 lines
813 B
Diff

From 11e8d0ed8cc3b415767961555efc2885791a9391 Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Thu, 17 Oct 2013 15:57:28 -0700
Subject: [PATCH 4/5] PCI: imx6: increase link startup
An increase link startup delay is required when certain PCI switches are
attached to the root complex.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
drivers/pci/host/pci-imx6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -318,7 +318,7 @@ static void imx6_pcie_host_init(struct p
while (!dw_pcie_link_up(pp)) {
usleep_range(100, 1000);
count++;
- if (count >= 10) {
+ if (count >= 200) {
dev_err(pp->dev, "phy link never came up\n");
dev_dbg(pp->dev,
"DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",