openwrt/target/linux/generic/backport-5.10/850-v5.17-0005-PCI-aardvark-Comment-actions-in-driver-remove-method.patch
Marek Behún 612e1c6801 kernel: 5.10: Backport pci-aardvark driver changes from 5.17
Backport Aardvark PCIe controller driver changes that will appear in
5.17 kernel. They are currently accessible on LKML [1], in linux-next
repository [2], or in Bjorn Helgaas' repository [3].

These changes mainly enhance driver removal method.

[1] https://lore.kernel.org/linux-pci/20211130172913.9727-1-kabel@kernel.org/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/drivers/pci?h=next-20220107
[3] https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=next

Signed-off-by: Marek Behún <kabel@kernel.org>
2022-01-15 17:26:55 +01:00

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From a4ca7948e1d47275f8f3e5023243440c40561916 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Tue, 30 Nov 2021 18:29:07 +0100
Subject: [PATCH] PCI: aardvark: Comment actions in driver remove method
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add two more comments into the advk_pcie_remove() method.
Link: https://lore.kernel.org/r/20211130172913.9727-6-kabel@kernel.org
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
---
drivers/pci/controller/pci-aardvark.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 71ce9f02d596..6348584c33be 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1697,11 +1697,13 @@ static int advk_pcie_remove(struct platform_device *pdev)
struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie);
int i;
+ /* Remove PCI bus with all devices */
pci_lock_rescan_remove();
pci_stop_root_bus(bridge->bus);
pci_remove_root_bus(bridge->bus);
pci_unlock_rescan_remove();
+ /* Remove IRQ domains */
advk_pcie_remove_msi_irq_domain(pcie);
advk_pcie_remove_irq_domain(pcie);
--
2.34.1