mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
7d139bd5f3
Deleted (upstreamed): 303-linksys_hardcode_nand_ecc_settings.patch [1] Deleted (not needed): 314-arm64-dts-uDPU-switch-PHY-operation-mode-to-2500base.patch [2] Manually rebased: 700-mvneta-tx-queue-workaround.patch [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4daff3e5b42422cd4af758cc7768223d2b7f6e14 [2] https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=7f73acade0cde61341cb77e0dc74de51ac059d4f Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
61 lines
1.6 KiB
Diff
61 lines
1.6 KiB
Diff
From 287b9df160b6159f8d385424904f8bac501280c1 Mon Sep 17 00:00:00 2001
|
|
From: Russell King <rmk+kernel@armlinux.org.uk>
|
|
Date: Sat, 9 Jul 2016 10:58:16 +0100
|
|
Subject: pci: mvebu: time out reset on link up
|
|
|
|
If the port reports that the link is up while we are resetting, there's
|
|
little point in waiting for the full duration.
|
|
|
|
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
|
|
---
|
|
drivers/pci/controller/pci-mvebu.c | 20 ++++++++++++++------
|
|
1 file changed, 14 insertions(+), 6 deletions(-)
|
|
|
|
--- a/drivers/pci/controller/pci-mvebu.c
|
|
+++ b/drivers/pci/controller/pci-mvebu.c
|
|
@@ -1023,6 +1023,7 @@ static int mvebu_pcie_powerup(struct mve
|
|
|
|
if (port->reset_gpio) {
|
|
u32 reset_udelay = PCI_PM_D3COLD_WAIT * 1000;
|
|
+ unsigned int i;
|
|
|
|
of_property_read_u32(port->dn, "reset-delay-us",
|
|
&reset_udelay);
|
|
@@ -1030,7 +1031,13 @@ static int mvebu_pcie_powerup(struct mve
|
|
udelay(100);
|
|
|
|
gpiod_set_value_cansleep(port->reset_gpio, 0);
|
|
- msleep(reset_udelay / 1000);
|
|
+ for (i = 0; i < reset_udelay; i += 1000) {
|
|
+ if (mvebu_pcie_link_up(port))
|
|
+ break;
|
|
+ msleep(1);
|
|
+ }
|
|
+
|
|
+ printk("%s: reset completed in %dus\n", port->name, i);
|
|
}
|
|
|
|
return 0;
|
|
@@ -1190,15 +1197,16 @@ static int mvebu_pcie_probe(struct platf
|
|
if (!child)
|
|
continue;
|
|
|
|
- ret = mvebu_pcie_powerup(port);
|
|
- if (ret < 0)
|
|
- continue;
|
|
-
|
|
port->base = mvebu_pcie_map_registers(pdev, child, port);
|
|
if (IS_ERR(port->base)) {
|
|
dev_err(dev, "%s: cannot map registers\n", port->name);
|
|
port->base = NULL;
|
|
- mvebu_pcie_powerdown(port);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ ret = mvebu_pcie_powerup(port);
|
|
+ if (ret < 0) {
|
|
+ port->base = NULL;
|
|
continue;
|
|
}
|
|
|