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From: Rashmica Gupta <rashmicy@gmail.com>
To: mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org,
	nfont@linux.vnet.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 4/5] powerpc/pseries: Remove MPIC from pseries cpu hotplug
Date: Mon, 30 May 2016 16:18:14 +1000	[thread overview]
Message-ID: <1464589095-442-4-git-send-email-rashmicy@gmail.com> (raw)
In-Reply-To: <1464589095-442-1-git-send-email-rashmicy@gmail.com>

MPIC was only used by Power3 which is now unsupported, so remove MPIC
code.

Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
---
 arch/powerpc/platforms/pseries/hotplug-cpu.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 282837a1d74b..a1b63e00b2f7 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -903,8 +903,6 @@ static int parse_cede_parameters(void)
 
 static int __init pseries_cpu_hotplug_init(void)
 {
-	struct device_node *np;
-	const char *typep;
 	int cpu;
 	int qcss_tok;
 
@@ -913,17 +911,6 @@ static int __init pseries_cpu_hotplug_init(void)
 	ppc_md.cpu_release = dlpar_cpu_release;
 #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
 
-	for_each_node_by_name(np, "interrupt-controller") {
-		typep = of_get_property(np, "compatible", NULL);
-		if (strstr(typep, "open-pic")) {
-			of_node_put(np);
-
-			printk(KERN_INFO "CPU Hotplug not supported on "
-				"systems using MPIC\n");
-			return 0;
-		}
-	}
-
 	rtas_stop_self_token = rtas_token("stop-self");
 	qcss_tok = rtas_token("query-cpu-stopped-state");
 
-- 
2.5.0

  parent reply	other threads:[~2016-05-30  6:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-30  6:18 [PATCH 1/5] powerpc/pseries: Drop support for MPIC in pseries Rashmica Gupta
2016-05-30  6:18 ` [PATCH 2/5] powerpc/pseries: Remove MPIC from pseries smp Rashmica Gupta
2016-05-30  6:18 ` [PATCH 3/5] powerpc/pseries: Remove MPIC from pseries kexec Rashmica Gupta
2016-05-30  6:18 ` Rashmica Gupta [this message]
2016-05-30  6:18 ` [PATCH 5/5] powerpc/pseries: Remove MPIC from pseries event sources Rashmica Gupta
2016-05-30  7:32 ` [PATCH 1/5] powerpc/pseries: Drop support for MPIC in pseries Benjamin Herrenschmidt
2016-05-31  1:34   ` Rashmica
2016-05-31  2:48     ` Rashmica
2016-05-31  4:52       ` Benjamin Herrenschmidt
2016-05-31  5:04       ` Michael Ellerman
2016-05-31  5:30         ` Benjamin Herrenschmidt
2016-05-31  3:00     ` Benjamin Herrenschmidt
2016-06-15 12:39 ` [1/5] " Michael Ellerman

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