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c6ddf8d502
Many changes were done in drivers/pinctrl/bcm/pinctrl-bcm2835.c between
5.4.171 and 5.4.179.
The following 3 patches do not apply any more:
* target/linux/bcm27xx/patches-5.4/950-0316-pinctrl-bcm2835-Add-support-for-BCM2711-pull-up-func.patch
This was already integrated in kernel v5.4-rc1, it was never needed.
* target/linux/bcm27xx/patches-5.4/950-0328-Revert-pinctrl-bcm2835-Pass-irqchip-when-adding-gpio.patch
* target/linux/bcm27xx/patches-5.4/950-0362-pinctrl-bcm2835-Change-init-order-for-gpio-hogs.patch
I think these were done to fix the problem which was really fixed in
commit 75278f1aff5e ("pinctrl: bcm2835: Change init order for gpio
hogs") from v5.4.175
target/linux/generic/backport-5.4/716-v5.5-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch
Move fwnode_device_is_available to the same position as in kernel 5.10.
target/linux/layerscape/patches-5.4/302-dts-0083-arm64-ls1028a-qds-correct-bus-of-rtc.patch
Applied in commit 65816c1034769e714edb70f59a33bc5472d9e55f ("arm64: dts:
ls1028a-qds: move rtc node to the correct i2c bus")
Compile-tested: lantiq/xrx200, bcm27xx/bcm2710
Run-tested: lantiq/xrx200
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
61 lines
1.6 KiB
Diff
61 lines
1.6 KiB
Diff
From 287b9df160b6159f8d385424904f8bac501280c1 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Sat, 9 Jul 2016 10:58:16 +0100
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Subject: pci: mvebu: time out reset on link up
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If the port reports that the link is up while we are resetting, there's
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little point in waiting for the full duration.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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drivers/pci/controller/pci-mvebu.c | 20 ++++++++++++++------
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1 file changed, 14 insertions(+), 6 deletions(-)
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--- a/drivers/pci/controller/pci-mvebu.c
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+++ b/drivers/pci/controller/pci-mvebu.c
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@@ -944,6 +944,7 @@ static int mvebu_pcie_powerup(struct mve
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if (port->reset_gpio) {
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u32 reset_udelay = PCI_PM_D3COLD_WAIT * 1000;
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+ unsigned int i;
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of_property_read_u32(port->dn, "reset-delay-us",
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&reset_udelay);
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@@ -951,7 +952,13 @@ static int mvebu_pcie_powerup(struct mve
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udelay(100);
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gpiod_set_value_cansleep(port->reset_gpio, 0);
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- msleep(reset_udelay / 1000);
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+ for (i = 0; i < reset_udelay; i += 1000) {
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+ if (mvebu_pcie_link_up(port))
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+ break;
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+ msleep(1);
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+ }
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+
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+ printk("%s: reset completed in %dus\n", port->name, i);
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}
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return 0;
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@@ -1115,15 +1122,16 @@ static int mvebu_pcie_probe(struct platf
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if (!child)
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continue;
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- ret = mvebu_pcie_powerup(port);
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- if (ret < 0)
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- continue;
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-
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port->base = mvebu_pcie_map_registers(pdev, child, port);
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if (IS_ERR(port->base)) {
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dev_err(dev, "%s: cannot map registers\n", port->name);
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port->base = NULL;
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- mvebu_pcie_powerdown(port);
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+ continue;
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+ }
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+
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+ ret = mvebu_pcie_powerup(port);
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+ if (ret < 0) {
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+ port->base = NULL;
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continue;
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}
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