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From: Anton Vorontsov <avorontsov@mvista.com>
To: Russell King <linux@arm.linux.org.uk>
Cc: "Kukjin Kim" <kgene.kim@samsung.com>,
	"Srinidhi Kasagar" <srinidhi.kasagar@stericsson.com>,
	"Tony Lindgren" <tony@atomide.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Jamie Iles" <jamie.iles@picochip.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	"Colin Cross" <ccross@android.com>,
	linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/8] ARM: tegra: Switch to generic SCU routines
Date: Tue, 30 Nov 2010 20:17:10 +0300	[thread overview]
Message-ID: <20101130171710.GG24034@oksana.dev.rtsoft.ru> (raw)
In-Reply-To: <20101130171626.GA6165@oksana.dev.rtsoft.ru>

This shrinks platform-specific code a little bit.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
---
 arch/arm/mach-tegra/platsmp.c |   36 ++----------------------------------
 1 files changed, 2 insertions(+), 34 deletions(-)

diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 1c0fd92..bf5433a 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -115,42 +115,10 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
  */
 void __init smp_init_cpus(void)
 {
-	unsigned int i, ncores = scu_get_core_count(scu_base);
-
-	for (i = 0; i < ncores; i++)
-		cpu_set(i, cpu_possible_map);
+	scu_init_cpus(scu_base);
 }
 
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-	unsigned int ncores = scu_get_core_count(scu_base);
-	unsigned int cpu = smp_processor_id();
-	int i;
-
-	smp_store_cpu_info(cpu);
-
-	/*
-	 * are we trying to boot more cores than exist?
-	 */
-	if (max_cpus > ncores)
-		max_cpus = ncores;
-
-	/*
-	 * Initialise the present map, which describes the set of CPUs
-	 * actually populated at the present time.
-	 */
-	for (i = 0; i < max_cpus; i++)
-		set_cpu_present(i, true);
-
-	/*
-	 * Initialise the SCU if there are more than one CPU and let
-	 * them know where to start. Note that, on modern versions of
-	 * MILO, the "poke" doesn't actually do anything until each
-	 * individual core is sent a soft interrupt to get it out of
-	 * WFI
-	 */
-	if (max_cpus > 1) {
-		percpu_timer_setup();
-		scu_enable(scu_base);
-	}
+	scu_prepare_cpus(scu_base, max_cpus);
 }
-- 
1.7.0.5

  parent reply	other threads:[~2010-11-30 17:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30 17:16 [PATCH v4 0/8] SMP support for CNS3xxx + some SMP SCU cleanups Anton Vorontsov
2010-11-30 17:16 ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup Anton Vorontsov
2010-11-30 22:24   ` Russell King - ARM Linux
2010-11-30 23:32   ` Russell King - ARM Linux
2010-12-01  0:25     ` Russell King - ARM Linux
2010-12-02 15:19       ` Catalin Marinas
2010-12-02 15:24         ` Russell King - ARM Linux
2010-12-02 16:28           ` Catalin Marinas
2010-12-02 17:38             ` Russell King - ARM Linux
2010-12-02 17:55               ` Catalin Marinas
2010-12-02 18:01               ` Russell King - ARM Linux
2010-12-04  8:48                 ` Russell King - ARM Linux
     [not found]                 ` <20101204084815.GA20969@n2100.arm.linux.org.uk>
2010-12-06  7:28                   ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPUbootup Santosh Shilimkar
2010-12-01  6:21     ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup Srinidhi Kasagar
2010-11-30 17:17 ` [PATCH 2/8] ARM: cns3xxx: Add support for SMP Anton Vorontsov
2010-11-30 18:14   ` Russell King - ARM Linux
2010-11-30 17:17 ` [PATCH 3/8] ARM: VExpress: Switch to generic SCU routines Anton Vorontsov
2010-11-30 23:27   ` Russell King - ARM Linux
2010-11-30 17:17 ` [PATCH 4/8] ARM: RealView: " Anton Vorontsov
2010-11-30 17:17 ` [PATCH 5/8] ARM: S5PV310: " Anton Vorontsov
2010-11-30 17:17 ` [PATCH 6/8] ARM: ux500: " Anton Vorontsov
2010-11-30 17:17 ` Anton Vorontsov [this message]
2010-11-30 17:17 ` [PATCH 8/8] ARM: OMAP2: " Anton Vorontsov

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