The patch titled
revert gregkh-pci-pci-reduce-aer-init-error-information
has been added to the -mm tree. Its filename is
revert-gregkh-pci-pci-reduce-aer-init-error-information.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: revert gregkh-pci-pci-reduce-aer-init-error-information
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
It deletes aerdrv_acpi.c but we still need it.
Cc: "Zhang, Yanmin" <yanmin.zhang@xxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/pci/pci-acpi.c | 8 ++-
drivers/pci/pcie/aer/aerdrv.h | 5 +
drivers/pci/pcie/aer/aerdrv_acpi.c | 68 +++++++++++++++++++++++++++
drivers/pci/pcie/aer/aerdrv_core.c | 55 ++-------------------
4 files changed, 86 insertions(+), 50 deletions(-)
diff -puN drivers/pci/pci-acpi.c~revert-gregkh-pci-pci-reduce-aer-init-error-information drivers/pci/pci-acpi.c
--- a/drivers/pci/pci-acpi.c~revert-gregkh-pci-pci-reduce-aer-init-error-information
+++ a/drivers/pci/pci-acpi.c
@@ -55,6 +55,8 @@ acpi_query_osc (
status = acpi_evaluate_object(handle, "_OSC", &input, &output);
if (ACPI_FAILURE (status)) {
+ printk(KERN_DEBUG
+ "Evaluate _OSC Set fails. Status = 0x%04x\n", status);
*ret_status = status;
return status;
}
@@ -122,9 +124,11 @@ acpi_run_osc (
in_params[3].buffer.pointer = (u8 *)context;
status = acpi_evaluate_object(handle, "_OSC", &input, &output);
- if (ACPI_FAILURE (status))
+ if (ACPI_FAILURE (status)) {
+ printk(KERN_DEBUG
+ "Evaluate _OSC Set fails. Status = 0x%04x\n", status);
return status;
-
+ }
out_obj = output.pointer;
if (out_obj->type != ACPI_TYPE_BUFFER) {
printk(KERN_DEBUG
diff -puN drivers/pci/pcie/aer/aerdrv.h~revert-gregkh-pci-pci-reduce-aer-init-error-information drivers/pci/pcie/aer/aerdrv.h
--- a/drivers/pci/pcie/aer/aerdrv.h~revert-gregkh-pci-pci-reduce-aer-init-error-information
+++ a/drivers/pci/pcie/aer/aerdrv.h
@@ -19,6 +19,10 @@
#define AER_ERROR_MASK 0x001fffff
#define AER_ERROR(d) (d & AER_ERROR_MASK)
+#define OSC_METHOD_RUN_SUCCESS 0
+#define OSC_METHOD_NOT_SUPPORTED 1
+#define OSC_METHOD_RUN_FAILURE 2
+
/* Root Error Status Register Bits */
#define ROOT_ERR_STATUS_MASKS 0x0f
@@ -117,5 +121,6 @@ extern void aer_delete_rootport(struct a
extern int aer_init(struct pcie_device *dev);
extern void aer_isr(struct work_struct *work);
extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
+extern int aer_osc_setup(struct pci_dev *dev);
#endif //_AERDRV_H_
diff -puN /dev/null drivers/pci/pcie/aer/aerdrv_acpi.c
--- /dev/null
+++ a/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -0,0 +1,68 @@
+/*
+ * Access ACPI _OSC method
+ *
+ * Copyright (C) 2006 Intel Corp.
+ * Tom Long Nguyen (tom.l.nguyen@xxxxxxxxx)
+ * Zhang Yanmin (yanmin.zhang@xxxxxxxxx)
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/acpi.h>
+#include <linux/pci-acpi.h>
+#include <linux/delay.h>
+#include "aerdrv.h"
+
+/**
+ * aer_osc_setup - run ACPI _OSC method
+ *
+ * Return:
+ * Zero if success. Nonzero for otherwise.
+ *
+ * Invoked when PCIE bus loads AER service driver. To avoid conflict with
+ * BIOS AER support requires BIOS to yield AER control to OS native driver.
+ **/
+int aer_osc_setup(struct pci_dev *dev)
+{
+ int retval = OSC_METHOD_RUN_SUCCESS;
+ acpi_status status;
+ acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
+ struct pci_dev *pdev = dev;
+ struct pci_bus *parent;
+
+ while (!handle) {
+ if (!pdev || !pdev->bus->parent)
+ break;
+ parent = pdev->bus->parent;
+ if (!parent->self)
+ /* Parent must be a host bridge */
+ handle = acpi_get_pci_rootbridge_handle(
+ pci_domain_nr(parent),
+ parent->number);
+ else
+ handle = DEVICE_ACPI_HANDLE(
+ &(parent->self->dev));
+ pdev = parent->self;
+ }
+
+ if (!handle)
+ return OSC_METHOD_NOT_SUPPORTED;
+
+ pci_osc_support_set(OSC_EXT_PCI_CONFIG_SUPPORT);
+ status = pci_osc_control_set(handle, OSC_PCI_EXPRESS_AER_CONTROL |
+ OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_SUPPORT)
+ retval = OSC_METHOD_NOT_SUPPORTED;
+ else
+ retval = OSC_METHOD_RUN_FAILURE;
+ }
+
+ return retval;
+}
+
diff -puN drivers/pci/pcie/aer/aerdrv_core.c~revert-gregkh-pci-pci-reduce-aer-init-error-information drivers/pci/pcie/aer/aerdrv_core.c
--- a/drivers/pci/pcie/aer/aerdrv_core.c~revert-gregkh-pci-pci-reduce-aer-init-error-information
+++ a/drivers/pci/pcie/aer/aerdrv_core.c
@@ -726,47 +726,6 @@ void aer_delete_rootport(struct aer_rpc
}
/**
- * aer_osc_setup - run ACPI _OSC method
- *
- * Return:
- * Zero if success. Nonzero for otherwise.
- *
- * Invoked when PCIE bus loads AER service driver. To avoid conflict with
- * BIOS AER support requires BIOS to yield AER control to OS native driver.
- **/
-acpi_status aer_osc_setup(struct pci_dev *dev)
-{
- acpi_status status = AE_NOT_FOUND;
- acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
- struct pci_dev *pdev = dev;
- struct pci_bus *parent;
-
- while (!handle) {
- if (!pdev || !pdev->bus->parent)
- break;
- parent = pdev->bus->parent;
- if (!parent->self)
- /* Parent must be a host bridge */
- handle = acpi_get_pci_rootbridge_handle(
- pci_domain_nr(parent),
- parent->number);
- else
- handle = DEVICE_ACPI_HANDLE(
- &(parent->self->dev));
- pdev = parent->self;
- }
-
- if (!handle)
- return status;
-
- pci_osc_support_set(OSC_EXT_PCI_CONFIG_SUPPORT);
- status = pci_osc_control_set(handle, OSC_PCI_EXPRESS_AER_CONTROL |
- OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL);
-
- return status;
-}
-
-/**
* aer_init - provide AER initialization
* @dev: pointer to AER pcie device
*
@@ -774,19 +733,19 @@ acpi_status aer_osc_setup(struct pci_dev
**/
int aer_init(struct pcie_device *dev)
{
- acpi_status status;
+ int status;
/* Run _OSC Method */
status = aer_osc_setup(dev->port);
- if (ACPI_FAILURE(status)) {
- printk(KERN_DEBUG "AER service couldn't init device %s - %s\n",
- dev->device.bus_id,
- (status == AE_SUPPORT || status == AE_NOT_FOUND) ?
- "no _OSC support" : "Run ACPI _OSC fails");
+ if(status != OSC_METHOD_RUN_SUCCESS) {
+ printk(KERN_DEBUG "%s: AER service init fails - %s\n",
+ __FUNCTION__,
+ (status == OSC_METHOD_NOT_SUPPORTED) ?
+ "No ACPI _OSC support" : "Run ACPI _OSC fails");
if (!forceload)
- return -ENXIO;
+ return status;
}
return AER_SUCCESS;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
document-acked-by.patch
git-acpi.patch
git-acpi-tickh-needs-hrtimerh.patch
working-3d-dri-intel-agpko-resume-for-i815-chip.patch
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fix-gregkh-driver-block-device.patch
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driver-core-check-return-code-of-sysfs_create_link.patch
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git-gfs2-nmw.patch
git-input.patch
git-input-fixup.patch
git-kbuild.patch
git-kvm.patch
git-leds.patch
git-mips-fixup.patch
use-mutex-instead-of-semaphore-in-the-mtd-st-m25pxx-driver.patch
git-ubi.patch
sundance-phy-address-form-0-only-for-device-id-0x0200-fix.patch
wrong-timeout-value-in-sk_wait_data-v2-fix.patch
git-battery.patch
git-nfs-server-cluster-locking-api-fixup.patch
git-parisc.patch
revert-gregkh-pci-pci-reduce-aer-init-error-information.patch
gregkh-pci-pci-reduce-aer-init-error-information-fix.patch
pci-x-pci-express-read-control-interfaces-fix.patch
git-scsi-misc.patch
scsi-dont-build-scsi_dma_mapunmap-for-has_dma-fix.patch
git-unionfs.patch
fix-gregkh-usb-usb-ehci-cpufreq-fix.patch
git-wireless.patch
x86_64-mm-xen-attempt-to-patch-inline-versions-of-common-operations.patch
revert-x86_64-mm-allocate-sparsemem-memmap-above-4g-on-x86_64.patch
fix-x86_64-numa-fake-apicid_to_node-mapping-for-fake-numa-2.patch
fix-x86_64-mm-sched-clock-share.patch
i386-add-support-for-picopower-irq-router.patch
x86_64-extract-helper-function-from-e820_register_active_regions.patch
mmconfig-x86_64-i386-insert-unclaimed-mmconfig-resources.patch
x86_64-fix-smp_call_function_single-return-value.patch
i386-flush_tlb_kernel_range-add-reference-to-the-arguments.patch
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x86-64-calgary-introduce-chipset-specific-ops-fix.patch
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x86-64-calgary-reserve-tces-with-the-same-address-as-mem-regions-fix.patch
i386-do-not-restore-reserved-memory-after-hibernation-fix.patch
git-xfs.patch
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git-xtensa.patch
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allow-huge-page-allocations-to-use-gfp_high_movable-fix-2.patch
maps2-move-the-page-walker-code-to-lib.patch
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maps2-add-proc-pid-pagemap-interface.patch
slub-change-error-reporting-format-to-follow-lockdep-loosely-fix.patch
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freezer-run-show_state-when-freezing-times-out.patch
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procfs-directory-entry-cleanup-fix.patch
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writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-4.patch
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