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7f257296ec
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>
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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@@ -1414,6 +1414,7 @@ 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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@@ -1421,7 +1422,13 @@ 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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@@ -1538,15 +1545,16 @@ 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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