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Deleted (upstreamed): bcm27xx/patches-5.10/950-0669-drm-vc4-hdmi-Make-sure-the-device-is-powered-with-CE.patch [1] bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch [1] gemini/patches-5.10/0003-ARM-dts-gemini-NAS4220-B-fis-index-block-with-128-Ki.patch [2] Manually rebased: bcm27xx/patches-5.10/950-0675-drm-vc4-hdmi-Drop-devm-interrupt-handler-for-CEC-int.patch Manually reverted: generic/pending-5.10/860-Revert-ASoC-mediatek-Check-for-error-clk-pointer.patch [3] [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.94&id=55b10b88ac8654fc2f31518aa349a2e643b37f18 [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.94&id=958a8819d41420d7a74ed922a09cacc0ba3a4218 [3] https://lore.kernel.org/all/trinity-2a727d96-0335-4d03-8f30-e22a0e10112d-1643363480085@3c-app-gmx-bap33/ Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From 759dec2e3dfdbd261c41d2279f04f2351c971a49 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
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Date: Tue, 30 Nov 2021 18:29:12 +0100
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Subject: [PATCH] PCI: aardvark: Disable link training when unbinding driver
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Disable link training circuit in driver unbind sequence. We want to
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leave link training in the same state as it was before the driver was
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probed.
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Link: https://lore.kernel.org/r/20211130172913.9727-11-kabel@kernel.org
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Signed-off-by: Pali Rohár <pali@kernel.org>
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Signed-off-by: Marek Behún <kabel@kernel.org>
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Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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---
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drivers/pci/controller/pci-aardvark.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/pci/controller/pci-aardvark.c
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+++ b/drivers/pci/controller/pci-aardvark.c
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@@ -1742,6 +1742,11 @@ static int advk_pcie_remove(struct platf
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if (pcie->reset_gpio)
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gpiod_set_value_cansleep(pcie->reset_gpio, 1);
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+ /* Disable link training */
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+ val = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
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+ val &= ~LINK_TRAINING_EN;
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+ advk_writel(pcie, val, PCIE_CORE_CTRL0_REG);
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+
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/* Disable outbound address windows mapping */
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for (i = 0; i < OB_WIN_COUNT; i++)
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advk_pcie_disable_ob_win(pcie, i);
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