---

yaml --- r: 219547 b: refs/heads/master c: b22c3d8 h: refs/heads/master i: 219545: 62e10a3 219543: 8a6c46e v: v3
git-mirror · Oct 15, 2010 · 07b206e · 07b206e
1 parent 46e864c
commit 07b206e
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Showing 5 changed files with 40 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 42b219322a97ccef347388b233aceaafe3fa517d
+refs/heads/master: b22c3d82757109fa107ce17ba9484d45273eed05
diff --git a/trunk/drivers/pci/pcie/aer/aerdrv.c b/trunk/drivers/pci/pcie/aer/aerdrv.c
@@ -416,7 +416,7 @@ static void aer_error_resume(struct pci_dev *dev)
  */
 static int __init aer_service_init(void)
 {
-	if (!pci_aer_available())
+	if (!pci_aer_available() || aer_acpi_firmware_first())
 		return -ENXIO;
 	return pcie_port_service_register(&aerdriver);
 }

diff --git a/trunk/drivers/pci/pcie/aer/aerdrv.h b/trunk/drivers/pci/pcie/aer/aerdrv.h
@@ -132,13 +132,16 @@ static inline int aer_osc_setup(struct pcie_device *pciedev)
 
 #ifdef CONFIG_ACPI_APEI
 extern int pcie_aer_get_firmware_first(struct pci_dev *pci_dev);
+extern bool aer_acpi_firmware_first(void);
 #else
 static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
 {
 	if (pci_dev->__aer_firmware_first_valid)
 		return pci_dev->__aer_firmware_first;
 	return 0;
 }
+
+static inline bool aer_acpi_firmware_first(void) { return false; }
 #endif
 
 static inline void pcie_aer_force_firmware_first(struct pci_dev *pci_dev,

diff --git a/trunk/drivers/pci/pcie/aer/aerdrv_acpi.c b/trunk/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -93,4 +93,38 @@ int pcie_aer_get_firmware_first(struct pci_dev *dev)
 		aer_set_firmware_first(dev);
 	return dev->__aer_firmware_first;
 }
+
+static bool aer_firmware_first;
+
+static int aer_hest_parse_aff(struct acpi_hest_header *hest_hdr, void *data)
+{
+	struct acpi_hest_aer_common *p;
+
+	if (aer_firmware_first)
+		return 0;
+
+	switch (hest_hdr->type) {
+	case ACPI_HEST_TYPE_AER_ROOT_PORT:
+	case ACPI_HEST_TYPE_AER_ENDPOINT:
+	case ACPI_HEST_TYPE_AER_BRIDGE:
+		p = (struct acpi_hest_aer_common *)(hest_hdr + 1);
+		aer_firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+	default:
+		return 0;
+	}
+}
+
+/**
+ * aer_acpi_firmware_first - Check if APEI should control AER.
+ */
+bool aer_acpi_firmware_first(void)
+{
+	static bool parsed = false;
+
+	if (!parsed) {
+		apei_hest_parse(aer_hest_parse_aff, NULL);
+		parsed = true;
+	}
+	return aer_firmware_first;
+}
 #endif
diff --git a/trunk/drivers/pci/pcie/portdrv_acpi.c b/trunk/drivers/pci/pcie/portdrv_acpi.c
@@ -49,7 +49,7 @@ int pcie_port_acpi_setup(struct pci_dev *port, int *srv_mask)
 		| OSC_PCI_EXPRESS_PME_CONTROL;
 
 	if (pci_aer_available()) {
-		if (pcie_aer_get_firmware_first(port))
+		if (aer_acpi_firmware_first())
 			dev_dbg(&port->dev, "PCIe errors handled by BIOS.\n");
 		else
 			flags |= OSC_PCI_EXPRESS_AER_CONTROL;