From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 270251A0063 for ; Thu, 11 Feb 2016 12:32:44 +1100 (AEDT) Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 10 Feb 2016 20:32:42 -0500 Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id 9D63EC90042 for ; Wed, 10 Feb 2016 20:32:37 -0500 (EST) Received: from d01av05.pok.ibm.com (d01av05.pok.ibm.com [9.56.224.195]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1B1WdBF35061938 for ; Thu, 11 Feb 2016 01:32:39 GMT Received: from d01av05.pok.ibm.com (localhost [127.0.0.1]) by d01av05.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u1B1TMFR003713 for ; Wed, 10 Feb 2016 20:29:22 -0500 From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, nfont@linux.vnet.ibm.com, brking@linux.vnet.ibm.com, jthumshirn@suse.de, manoj@linux.vnet.ibm.com, Tyrel Datwyler Subject: [PATCH v2 4/7] ibmvscsi: Use of_root to access OF device tree root node Date: Wed, 10 Feb 2016 19:32:25 -0600 Message-Id: <1455154348-3226-5-git-send-email-tyreld@linux.vnet.ibm.com> In-Reply-To: <1455154348-3226-1-git-send-email-tyreld@linux.vnet.ibm.com> References: <1455154348-3226-1-git-send-email-tyreld@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Reviewed-by: Johannes Thumshirn --- drivers/scsi/ibmvscsi/ibmvscsi.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 4b09a9b..c208295 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) -- 2.5.0