diff options
| author | Tyrel Datwyler <tyreld@linux.vnet.ibm.com> | 2016-02-11 04:32:25 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 05:27:02 +0300 |
| commit | 5114d6a70911dd5d57fb99bf75fd067893a50afa (patch) | |
| tree | 57f9baef102174d4b4c58736808da707550707a7 /drivers/scsi/ibmvscsi/ibmvscsi.c | |
| parent | 45d8c30f0c343547f0d56001cc109a0752b81c83 (diff) | |
| download | linux-5114d6a70911dd5d57fb99bf75fd067893a50afa.tar.xz | |
ibmvscsi: Use of_root to access OF device tree root node
The root node of the OF device tree is exported as of_root. No need to
look up the root by path name. Instead just get a reference directly via
of_root.
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 4b09a9b9cb86..c2082953e15c 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -248,25 +248,23 @@ static void ibmvscsi_task(void *data) static void gather_partition_info(void) { - struct device_node *rootdn; - const char *ppartition_name; const __be32 *p_number_ptr; /* Retrieve information about this partition */ - rootdn = of_find_node_by_path("/"); - if (!rootdn) { + if (!of_root) return; - } - ppartition_name = of_get_property(rootdn, "ibm,partition-name", NULL); + of_node_get(of_root); + + ppartition_name = of_get_property(of_root, "ibm,partition-name", NULL); if (ppartition_name) strncpy(partition_name, ppartition_name, sizeof(partition_name)); - p_number_ptr = of_get_property(rootdn, "ibm,partition-no", NULL); + p_number_ptr = of_get_property(of_root, "ibm,partition-no", NULL); if (p_number_ptr) partition_number = of_read_number(p_number_ptr, 1); - of_node_put(rootdn); + of_node_put(of_root); } static void set_adapter_info(struct ibmvscsi_host_data *hostdata) |