openwrt/target/linux/mvebu/patches-6.1/801-pci-mvebu-time-out-reset-on-link-up.patch
Stefan Kalscheuer 7f257296ec mvebu: refresh patches for 6.1
Remove the following patches:
100-ARM-dts-turris-omnia-configure-LED-0-pin-function-to [1]
101-ARM-dts-turris-omnia-enable-LED-controller-node [2]
702-net-next-ethernet-marvell-mvnetaMQPrioOffload [3]
703-net-next-ethernet-marvell-mvnetaMQPrioFlag [4]
704-net-next-ethernet-marvell-mvnetaMQPrioQueue [5]
705-net-next-ethernet-marvell-mvnetaMQPrioTCOffload [6]
710-v6.2-phy-marvell-phy-mvebu-a3700-comphy-Reset-COMPHY-regi [7]

Manually rebased:
902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU

All other patches automatically rebased

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=94a29bffdd59498382131fd428fed221f5c96def
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=40624346b7ae0c2b1209fc9993ea30699e512c50
[3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=75fa71e3acadbb4ab5eda18505277eb9a1f69b23
[4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e7ca75fe6662f78bfeb0112671c812e4c7b8e214
[5] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e9f7099d0730341b24c057acbf545dd019581db6
[6] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2551dc9e398c37a15e52122d385c29a8b06be45f
[7] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=cd1e1735aeab49abc679218a79ee764c0d394880

Signed-off-by: Stefan Kalscheuer <stefan@stklcode.de>
2023-08-02 16:21:19 +02:00

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
@@ -1414,6 +1414,7 @@ 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);
@@ -1421,7 +1422,13 @@ 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;
@@ -1538,15 +1545,16 @@ 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;
}