diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/edac/edac_core.h | 1 | ||||
| -rw-r--r-- | drivers/edac/edac_pci.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h index 3189c76fe62e..28f2c3f959b5 100644 --- a/drivers/edac/edac_core.h +++ b/drivers/edac/edac_core.h @@ -844,6 +844,7 @@ extern void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci); extern void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci, unsigned long value); +extern int edac_pci_alloc_index(void); extern int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx); extern struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev); diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c index 5d3c8083a40e..5b150aea703a 100644 --- a/drivers/edac/edac_pci.c +++ b/drivers/edac/edac_pci.c @@ -30,6 +30,7 @@ static DEFINE_MUTEX(edac_pci_ctls_mutex); static LIST_HEAD(edac_pci_list); +static atomic_t pci_indexes = ATOMIC_INIT(0); /* * edac_pci_alloc_ctl_info @@ -318,6 +319,19 @@ void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci, EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period); /* + * edac_pci_alloc_index: Allocate a unique PCI index number + * + * Return: + * allocated index number + * + */ +int edac_pci_alloc_index(void) +{ + return atomic_inc_return(&pci_indexes) - 1; +} +EXPORT_SYMBOL_GPL(edac_pci_alloc_index); + +/* * edac_pci_add_device: Insert the 'edac_dev' structure into the * edac_pci global list and create sysfs entries associated with * edac_pci structure. |