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| author | Luka Perkov <luka@openwrt.org> | 2013-10-23 22:16:03 +0000 |
|---|---|---|
| committer | Luka Perkov <luka@openwrt.org> | 2013-10-23 22:16:03 +0000 |
| commit | cd43416a78b0cdd194cc35099959f182cdbba015 (patch) | |
| tree | eec3365951eca4084c4cf2ce30000c5f7fa6b474 /target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch | |
| parent | a0c9c711cd30c26f7b06eeea208fad6233c90d5c (diff) | |
| download | upstream-cd43416a78b0cdd194cc35099959f182cdbba015.tar.gz upstream-cd43416a78b0cdd194cc35099959f182cdbba015.tar.bz2 upstream-cd43416a78b0cdd194cc35099959f182cdbba015.zip | |
imx6: pcie driver fixups
Add upstream patches needed for PCIe through a switch.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
SVN-Revision: 38511
Diffstat (limited to 'target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch')
| -rw-r--r-- | target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch b/target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch new file mode 100644 index 0000000000..a94a166908 --- /dev/null +++ b/target/linux/imx6/patches-3.10/0033-PCI-imx6-increase-link-startup.patch @@ -0,0 +1,24 @@ +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", |