diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index d3c9cdee292b..09a455d4b6ed 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -103,6 +103,7 @@ static int megasas_poll_wait_aen; static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait); static u32 support_poll_for_event; static u32 megasas_dbg_lvl; +static u32 support_device_change; /* define lock for aen poll */ spinlock_t poll_aen_lock; @@ -4658,6 +4659,15 @@ megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf) static DRIVER_ATTR(support_poll_for_event, S_IRUGO, megasas_sysfs_show_support_poll_for_event, NULL); + static ssize_t +megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf) +{ + return sprintf(buf, "%u\n", support_device_change); +} + +static DRIVER_ATTR(support_device_change, S_IRUGO, + megasas_sysfs_show_support_device_change, NULL); + static ssize_t megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) { @@ -4978,6 +4988,7 @@ static int __init megasas_init(void) MEGASAS_EXT_VERSION); support_poll_for_event = 2; + support_device_change = 1; memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); @@ -5026,8 +5037,17 @@ static int __init megasas_init(void) if (rval) goto err_dcf_poll_mode_io; + rval = driver_create_file(&megasas_pci_driver.driver, + &driver_attr_support_device_change); + if (rval) + goto err_dcf_support_device_change; + return rval; +err_dcf_support_device_change: + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_poll_mode_io); + err_dcf_poll_mode_io: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_dbg_lvl); @@ -5058,6 +5078,10 @@ static void __exit megasas_exit(void) driver_remove_file(&megasas_pci_driver.driver, &driver_attr_dbg_lvl); driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_poll_for_event); + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_device_change); + driver_remove_file(&megasas_pci_driver.driver, &driver_attr_release_date); driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); |