linux-kernel - [PATCH v2 04/10] MIPS: SGI-IP27: do xtalk scanning later

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Message-Id: <20190219155728.19163-5-tbogendoerfer@suse.de>
Date:   Tue, 19 Feb 2019 16:57:18 +0100
From:   Thomas Bogendoerfer <tbogendoerfer@...e.de>
To:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 04/10] MIPS: SGI-IP27: do xtalk scanning later

Move xtalk scanning to a later boot stage to be able using things like
kmalloc and friends.

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>
---
 arch/mips/sgi-ip27/ip27-init.c  |  3 ---
 arch/mips/sgi-ip27/ip27-xtalk.c | 13 ++++++++++++-
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c
index 83399e578b61..aba985cf07c0 100644
--- a/arch/mips/sgi-ip27/ip27-init.c
+++ b/arch/mips/sgi-ip27/ip27-init.c
@@ -52,8 +52,6 @@ EXPORT_SYMBOL_GPL(sn_cpu_info);
 
 extern void pcibr_setup(cnodeid_t);
 
-extern void xtalk_probe_node(cnodeid_t nid);
-
 static void per_hub_init(cnodeid_t cnode)
 {
 	struct hub_data *hub = hub_data(cnode);
@@ -71,7 +69,6 @@ static void per_hub_init(cnodeid_t cnode)
 	REMOTE_HUB_S(nasid, IIO_ICTO, 0xff);
 
 	hub_rtc_init(cnode);
-	xtalk_probe_node(cnode);
 
 #ifdef CONFIG_REPLICATE_EXHANDLERS
 	/*
diff --git a/arch/mips/sgi-ip27/ip27-xtalk.c b/arch/mips/sgi-ip27/ip27-xtalk.c
index 4fe5678ba74d..ce06aaa115ae 100644
--- a/arch/mips/sgi-ip27/ip27-xtalk.c
+++ b/arch/mips/sgi-ip27/ip27-xtalk.c
@@ -99,7 +99,7 @@ static int xbow_probe(nasid_t nasid)
 	return 0;
 }
 
-void xtalk_probe_node(cnodeid_t nid)
+static void xtalk_probe_node(cnodeid_t nid)
 {
 	volatile u64		hubreg;
 	nasid_t			nasid;
@@ -133,3 +133,14 @@ void xtalk_probe_node(cnodeid_t nid)
 		break;
 	}
 }
+
+static int __init xtalk_init(void)
+{
+	cnodeid_t cnode;
+
+	for_each_online_node(cnode)
+		xtalk_probe_node(cnode);
+
+	return 0;
+}
+arch_initcall(xtalk_init);
-- 
2.13.7