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path: root/drivers/edac/edac_pci_sysfs.c
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Diffstat (limited to 'drivers/edac/edac_pci_sysfs.c')
-rw-r--r--drivers/edac/edac_pci_sysfs.c82
1 files changed, 30 insertions, 52 deletions
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index e8658e451762..7b44afcf48db 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -11,12 +11,9 @@
#include <linux/slab.h>
#include <linux/ctype.h>
-#include "edac_core.h"
+#include "edac_pci.h"
#include "edac_module.h"
-/* Turn off this whole feature if PCI is not configured */
-#ifdef CONFIG_PCI
-
#define EDAC_PCI_SYMLINK "device"
/* data variables exported via sysfs */
@@ -138,17 +135,18 @@ INSTANCE_ATTR(pe_count, S_IRUGO, instance_pe_count_show, NULL);
INSTANCE_ATTR(npe_count, S_IRUGO, instance_npe_count_show, NULL);
/* pci instance attributes */
-static struct instance_attribute *pci_instance_attr[] = {
- &attr_instance_pe_count,
- &attr_instance_npe_count,
+static struct attribute *pci_instance_attrs[] = {
+ &attr_instance_pe_count.attr,
+ &attr_instance_npe_count.attr,
NULL
};
+ATTRIBUTE_GROUPS(pci_instance);
/* the ktype for a pci instance */
static struct kobj_type ktype_pci_instance = {
.release = edac_pci_instance_release,
.sysfs_ops = &pci_instance_ops,
- .default_attrs = (struct attribute **)pci_instance_attr,
+ .default_groups = pci_instance_groups,
};
/*
@@ -295,15 +293,16 @@ EDAC_PCI_ATTR(pci_parity_count, S_IRUGO, edac_pci_int_show, NULL);
EDAC_PCI_ATTR(pci_nonparity_count, S_IRUGO, edac_pci_int_show, NULL);
/* Base Attributes of the memory ECC object */
-static struct edac_pci_dev_attribute *edac_pci_attr[] = {
- &edac_pci_attr_check_pci_errors,
- &edac_pci_attr_edac_pci_log_pe,
- &edac_pci_attr_edac_pci_log_npe,
- &edac_pci_attr_edac_pci_panic_on_pe,
- &edac_pci_attr_pci_parity_count,
- &edac_pci_attr_pci_nonparity_count,
+static struct attribute *edac_pci_attrs[] = {
+ &edac_pci_attr_check_pci_errors.attr,
+ &edac_pci_attr_edac_pci_log_pe.attr,
+ &edac_pci_attr_edac_pci_log_npe.attr,
+ &edac_pci_attr_edac_pci_panic_on_pe.attr,
+ &edac_pci_attr_pci_parity_count.attr,
+ &edac_pci_attr_pci_nonparity_count.attr,
NULL,
};
+ATTRIBUTE_GROUPS(edac_pci);
/*
* edac_pci_release_main_kobj
@@ -330,19 +329,17 @@ static void edac_pci_release_main_kobj(struct kobject *kobj)
static struct kobj_type ktype_edac_pci_main_kobj = {
.release = edac_pci_release_main_kobj,
.sysfs_ops = &edac_pci_sysfs_ops,
- .default_attrs = (struct attribute **)edac_pci_attr,
+ .default_groups = edac_pci_groups,
};
/**
- * edac_pci_main_kobj_setup()
- *
- * setup the sysfs for EDAC PCI attributes
- * assumes edac_subsys has already been initialized
+ * edac_pci_main_kobj_setup: Setup the sysfs for EDAC PCI attributes.
*/
static int edac_pci_main_kobj_setup(void)
{
- int err;
- struct bus_type *edac_subsys;
+ int err = -ENODEV;
+ const struct bus_type *edac_subsys;
+ struct device *dev_root;
edac_dbg(0, "\n");
@@ -354,11 +351,6 @@ static int edac_pci_main_kobj_setup(void)
* controls and attributes
*/
edac_subsys = edac_get_sysfs_subsys();
- if (edac_subsys == NULL) {
- edac_dbg(1, "no edac_subsys\n");
- err = -ENODEV;
- goto decrement_count_fail;
- }
/* Bump the reference count on this module to ensure the
* modules isn't unloaded until we deconstruct the top
@@ -366,8 +358,7 @@ static int edac_pci_main_kobj_setup(void)
*/
if (!try_module_get(THIS_MODULE)) {
edac_dbg(1, "try_module_get() failed\n");
- err = -ENODEV;
- goto mod_get_fail;
+ goto decrement_count_fail;
}
edac_pci_top_main_kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL);
@@ -378,9 +369,13 @@ static int edac_pci_main_kobj_setup(void)
}
/* Instanstiate the pci object */
- err = kobject_init_and_add(edac_pci_top_main_kobj,
- &ktype_edac_pci_main_kobj,
- &edac_subsys->dev_root->kobj, "pci");
+ dev_root = bus_get_dev_root(edac_subsys);
+ if (dev_root) {
+ err = kobject_init_and_add(edac_pci_top_main_kobj,
+ &ktype_edac_pci_main_kobj,
+ &dev_root->kobj, "pci");
+ put_device(dev_root);
+ }
if (err) {
edac_dbg(1, "Failed to register '.../edac/pci'\n");
goto kobject_init_and_add_fail;
@@ -397,14 +392,11 @@ static int edac_pci_main_kobj_setup(void)
/* Error unwind statck */
kobject_init_and_add_fail:
- kfree(edac_pci_top_main_kobj);
+ kobject_put(edac_pci_top_main_kobj);
kzalloc_fail:
module_put(THIS_MODULE);
-mod_get_fail:
- edac_put_sysfs_subsys();
-
decrement_count_fail:
/* if are on this error exit, nothing to tear down */
atomic_dec(&edac_pci_sysfs_refcount);
@@ -429,16 +421,9 @@ static void edac_pci_main_kobj_teardown(void)
if (atomic_dec_return(&edac_pci_sysfs_refcount) == 0) {
edac_dbg(0, "called kobject_put on main kobj\n");
kobject_put(edac_pci_top_main_kobj);
- edac_put_sysfs_subsys();
}
}
-/*
- *
- * edac_pci_create_sysfs
- *
- * Create the controls/attributes for the specified EDAC PCI device
- */
int edac_pci_create_sysfs(struct edac_pci_ctl_info *pci)
{
int err;
@@ -474,11 +459,6 @@ unregister_cleanup:
return err;
}
-/*
- * edac_pci_remove_sysfs
- *
- * remove the controls and attributes for this EDAC PCI device
- */
void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci)
{
edac_dbg(0, "index=%d\n", pci->pci_idx);
@@ -541,7 +521,7 @@ static void edac_pci_dev_parity_clear(struct pci_dev *dev)
/* read the device TYPE, looking for bridges */
pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
+ if ((header_type & PCI_HEADER_TYPE_MASK) == PCI_HEADER_TYPE_BRIDGE)
get_pci_parity_status(dev, 1);
}
@@ -603,7 +583,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
edac_dbg(4, "PCI HEADER TYPE= 0x%02x %s\n",
header_type, dev_name(&dev->dev));
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
+ if ((header_type & PCI_HEADER_TYPE_MASK) == PCI_HEADER_TYPE_BRIDGE) {
/* On bridges, need to examine secondary status register */
status = get_pci_parity_status(dev, 1);
@@ -761,5 +741,3 @@ MODULE_PARM_DESC(check_pci_errors,
module_param(edac_pci_panic_on_pe, int, 0644);
MODULE_PARM_DESC(edac_pci_panic_on_pe,
"Panic on PCI Bus Parity error: 0=off 1=on");
-
-#endif /* CONFIG_PCI */