This is a note to let you know that I've just added the patch titled PCI: Add defines for normal and subtractive PCI bridges to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pci-add-defines-for-normal-and-subtractive-pci-bridges.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 904b10fb189cc15376e9bfce1ef0282e68b0b004 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@xxxxxxxxxx> Date: Mon, 14 Feb 2022 12:41:08 +0100 Subject: PCI: Add defines for normal and subtractive PCI bridges MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Pali Rohár <pali@xxxxxxxxxx> commit 904b10fb189cc15376e9bfce1ef0282e68b0b004 upstream. Add these PCI class codes to pci_ids.h: PCI_CLASS_BRIDGE_PCI_NORMAL PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE Use these defines in all kernel code for describing PCI class codes for normal and subtractive PCI bridges. [bhelgaas: similar change in pci-mvebu.c] Link: https://lore.kernel.org/r/20220214114109.26809-1-pali@xxxxxxxxxx Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: Guenter Roeck <linux@xxxxxxxxxxxx>a Cc: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> [ gregkh - take only the pci_ids.h portion for stable backports ] Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/linux/pci_ids.h | 2 ++ 1 file changed, 2 insertions(+) --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -59,6 +59,8 @@ #define PCI_CLASS_BRIDGE_EISA 0x0602 #define PCI_CLASS_BRIDGE_MC 0x0603 #define PCI_CLASS_BRIDGE_PCI 0x0604 +#define PCI_CLASS_BRIDGE_PCI_NORMAL 0x060400 +#define PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE 0x060401 #define PCI_CLASS_BRIDGE_PCMCIA 0x0605 #define PCI_CLASS_BRIDGE_NUBUS 0x0606 #define PCI_CLASS_BRIDGE_CARDBUS 0x0607 Patches currently in stable-queue which might be from pali@xxxxxxxxxx are queue-5.4/powerpc-pci-fix-phb-numbering-when-using-opal-phbid.patch queue-5.4/serial-mvebu-uart-uart2-error-bits-clearing.patch queue-5.4/pci-add-defines-for-normal-and-subtractive-pci-bridges.patch queue-5.4/crypto-inside-secure-add-missing-module_device_table.patch queue-5.4/powerpc-pci-prefer-pci-domain-assignment-via-dt-linu.patch queue-5.4/pci-portdrv-don-t-disable-aer-reporting-in-get_port_.patch queue-5.4/powerpc-fsl-pci-fix-class-code-of-pcie-root-port.patch