diff mbox series

[v3,2/8] PCI: vmd: Add vmd_configure_cfgbar()

Message ID 20241122085215.424736-3-szymon.durawa@linux.intel.com (mailing list archive)
State New
Headers show
Series VMD add second rootbus support | expand

Commit Message

Szymon Durawa Nov. 22, 2024, 8:52 a.m. UTC 
Move the VMD CFGBAR initialization code to a new helper
vmd_configure_cfgbar(). No functional changes.

Suggested-by: Nirmal Patel <nirmal.patel@linux.intel.com>
Reviewed-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Szymon Durawa <szymon.durawa@linux.intel.com>
---
 drivers/pci/controller/vmd.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index fb66910f9204..bb09114068f5 100755
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -778,6 +778,18 @@  static int vmd_pm_enable_quirk(struct pci_dev *pdev, void *userdata)
 	return 0;
 }
 
+static void vmd_configure_cfgbar(struct vmd_dev *vmd)
+{
+	struct resource *res = &vmd->dev->resource[VMD_CFGBAR];
+
+	vmd->resources[0] = (struct resource){
+		.name = "VMD CFGBAR",
+		.start = vmd->busn_start,
+		.end = vmd->busn_start + (resource_size(res) >> 20) - 1,
+		.flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED,
+	};
+}
+
 static void vmd_bus_enumeration(struct pci_bus *bus, unsigned long features)
 {
 	struct pci_bus *child;
@@ -864,13 +876,7 @@  static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
 			return ret;
 	}
 
-	res = &vmd->dev->resource[VMD_CFGBAR];
-	vmd->resources[0] = (struct resource) {
-		.name  = "VMD CFGBAR",
-		.start = vmd->busn_start,
-		.end   = vmd->busn_start + (resource_size(res) >> 20) - 1,
-		.flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED,
-	};
+	vmd_configure_cfgbar(vmd);
 
 	/*
 	 * If the window is below 4GB, clear IORESOURCE_MEM_64 so we can