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[focal:linux-azure,2/2] Revert "Revert "PCI: hv: Make sure the bus domain is really unique""

Message ID 20210112151612.2722768-3-marcelo.cerri@canonical.com
State New
Headers show
Series LP:#1911205 - Revert or drop obsolete patches for PCI | expand

Commit Message

Marcelo Henrique Cerri Jan. 12, 2021, 3:16 p.m. UTC 
BugLink: https://bugs.launchpad.net/bugs/1911205

This reverts commit ef098f8f66e5831bdd642d7156399863120eed25.

Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
---
 drivers/pci/controller/pci-hyperv.c | 11 -----------
 1 file changed, 11 deletions(-)
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Patch

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 77dcb196fa84..95c04b0ffeb1 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1978,17 +1978,6 @@  static struct hv_pci_dev *new_pcichild_device(struct hv_pcibus_device *hbus,
 	get_pcichild(hpdev);
 	spin_lock_irqsave(&hbus->device_list_lock, flags);
 
-	/*
-	 * When a device is being added to the bus, we set the PCI domain
-	 * number to be the device serial number, which is non-zero and
-	 * unique on the same VM.  The serial numbers start with 1, and
-	 * increase by 1 for each device.  So device names including this
-	 * can have shorter names than based on the bus instance UUID.
-	 * Only the first device serial number is used for domain, so the
-	 * domain number will not change after the first device is added.
-	 */
-	if (list_empty(&hbus->children))
-		hbus->sysdata.domain = desc->ser;
 	list_add_tail(&hpdev->list_entry, &hbus->children);
 	spin_unlock_irqrestore(&hbus->device_list_lock, flags);
 	return hpdev;