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ibmvscsi: Use of_root to access OF device tree root node

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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>
This commit is contained in:
Tyrel Datwyler 2016-02-10 19:32:25 -06:00 committed by Martin K. Petersen
parent 45d8c30f0c
commit 5114d6a709
1 changed files with 6 additions and 8 deletions
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14
drivers/scsi/ibmvscsi/ibmvscsi.c
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@ -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)