All of lore.kernel.org
 help / color / mirror / Atom feed
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

WARNING: multiple messages have this Message-ID (diff)
From: avorontsov@mvista.com (Anton Vorontsov)
To: 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

WARNING: multiple messages have this Message-ID (diff)
From: Anton Vorontsov <avorontsov@mvista.com>
To: Russell King <linux@arm.linux.org.uk>
Cc: "Tony Lindgren" <tony@atomide.com>,
	"Kukjin Kim" <kgene.kim@samsung.com>,
	"Colin Cross" <ccross@android.com>,
	"Srinidhi Kasagar" <srinidhi.kasagar@stericsson.com>,
	"Jamie Iles" <jamie.iles@picochip.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.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: 55+ 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 ` Anton Vorontsov
2010-11-30 17:16 ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup Anton Vorontsov
2010-11-30 17:16   ` Anton Vorontsov
2010-11-30 17:16   ` Anton Vorontsov
2010-11-30 22:24   ` Russell King - ARM Linux
2010-11-30 22:24     ` Russell King - ARM Linux
2010-11-30 23:32   ` Russell King - ARM Linux
2010-11-30 23:32     ` Russell King - ARM Linux
2010-12-01  0:25     ` Russell King - ARM Linux
2010-12-01  0:25       ` Russell King - ARM Linux
2010-12-02 15:19       ` Catalin Marinas
2010-12-02 15:19         ` Catalin Marinas
2010-12-02 15:19         ` Catalin Marinas
2010-12-02 15:24         ` Russell King - ARM Linux
2010-12-02 15:24           ` Russell King - ARM Linux
2010-12-02 16:28           ` Catalin Marinas
2010-12-02 16:28             ` Catalin Marinas
2010-12-02 17:38             ` Russell King - ARM Linux
2010-12-02 17:38               ` Russell King - ARM Linux
2010-12-02 17:55               ` Catalin Marinas
2010-12-02 17:55                 ` Catalin Marinas
2010-12-02 18:01               ` Russell King - ARM Linux
2010-12-02 18:01                 ` Russell King - ARM Linux
2010-12-04  8:48                 ` Russell King - ARM Linux
2010-12-04  8:48                 ` Russell King - ARM Linux
2010-12-04  8:48                   ` Russell King - ARM Linux
2010-12-04  8:48                   ` Russell King - ARM Linux
2010-12-06  7:28                   ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPUbootup Santosh Shilimkar
2010-12-06  7:28                     ` Santosh Shilimkar
2010-12-06  7:28                     ` Santosh Shilimkar
2010-12-06  7:28                   ` Santosh Shilimkar
2010-12-01  6:21     ` [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup Srinidhi Kasagar
2010-12-01  6:21       ` Srinidhi Kasagar
2010-11-30 17:17 ` [PATCH 2/8] ARM: cns3xxx: Add support for SMP Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 18:14   ` Russell King - ARM Linux
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 17:17   ` Anton Vorontsov
2010-11-30 23:27   ` Russell King - ARM Linux
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   ` Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 17:17 ` [PATCH 5/8] ARM: S5PV310: " Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 17:17 ` [PATCH 6/8] ARM: ux500: " Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 17:17 ` Anton Vorontsov [this message]
2010-11-30 17:17   ` [PATCH 7/8] ARM: tegra: " Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov
2010-11-30 17:17 ` [PATCH 8/8] ARM: OMAP2: " Anton Vorontsov
2010-11-30 17:17   ` Anton Vorontsov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20101130171710.GG24034@oksana.dev.rtsoft.ru \
    --to=avorontsov@mvista.com \
    --cc=catalin.marinas@arm.com \
    --cc=ccross@android.com \
    --cc=jamie.iles@picochip.com \
    --cc=kgene.kim@samsung.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=srinidhi.kasagar@stericsson.com \
    --cc=tony@atomide.com \
    --cc=u.kleine-koenig@pengutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.