From: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
To: Joel Schopp <jschopp@austin.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Dipankar Sarma <dipankar@in.ibm.com>,
Balbir Singh <balbir@in.ibm.com>,
Gautham R Shenoy <ego@in.ibm.com>,
Arun Bharadwaj <arun@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [v4 PATCH 3/5]: pSeries: Incorporate registering of idle loop for pSeries.
Date: Tue, 1 Sep 2009 17:10:36 +0530 [thread overview]
Message-ID: <20090901114036.GJ7599@linux.vnet.ibm.com> (raw)
In-Reply-To: <20090901113704.GG7599@linux.vnet.ibm.com>
* Arun R Bharadwaj <arun@linux.vnet.ibm.com> [2009-09-01 17:07:04]:
Platform needs to register its idle function via register_idle_function()
in order to provide a clean way of handling the ppc_md.power_save
Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
---
arch/powerpc/platforms/pseries/setup.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
Index: linux.trees.git/arch/powerpc/platforms/pseries/setup.c
===================================================================
--- linux.trees.git.orig/arch/powerpc/platforms/pseries/setup.c
+++ linux.trees.git/arch/powerpc/platforms/pseries/setup.c
@@ -280,6 +280,8 @@ static struct notifier_block pci_dn_reco
static void __init pSeries_setup_arch(void)
{
+ struct idle_function_desc pseries_idle_desc;
+
/* Discover PIC type and setup ppc_md accordingly */
pseries_discover_pic();
@@ -305,10 +307,17 @@ static void __init pSeries_setup_arch(vo
vpa_init(boot_cpuid);
if (get_lppaca()->shared_proc) {
printk(KERN_DEBUG "Using shared processor idle loop\n");
- ppc_md.power_save = pseries_shared_idle_sleep;
+ //snprintf(pseries_idle_desc.name, 16, "shared_loop");
+ pseries_idle_desc.name = "shared_loop";
+ pseries_idle_desc.idle_func = pseries_shared_idle_sleep;
+ register_idle_function(&pseries_idle_desc);
} else {
printk(KERN_DEBUG "Using dedicated idle loop\n");
- ppc_md.power_save = pseries_dedicated_idle_sleep;
+ //snprintf(pseries_idle_desc.name, 16, "dedicated_loop");
+ pseries_idle_desc.name = "dedicated_loop";
+ pseries_idle_desc.idle_func =
+ pseries_dedicated_idle_sleep;
+ register_idle_function(&pseries_idle_desc);
}
} else {
printk(KERN_DEBUG "Using default idle loop\n");
next prev parent reply other threads:[~2009-09-01 11:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 11:37 [v4 PATCH 0/5]: cpuidle/POWER (REDISIGN): Introducing cpuidle to POWER Arun R Bharadwaj
2009-09-01 11:38 ` [v4 PATCH 1/5]: cpuidle: Cleanup drivers/cpuidle/cpuidle.c Arun R Bharadwaj
2009-09-01 17:28 ` Balbir Singh
2009-09-02 5:21 ` Arun R Bharadwaj
2009-09-02 5:45 ` Arun R Bharadwaj
2009-09-02 5:42 ` Peter Zijlstra
2009-09-03 4:42 ` Arun R Bharadwaj
2009-09-03 9:40 ` Peter Zijlstra
2009-09-01 11:39 ` [v4 PATCH 2/5]: cpuidle: Implement routines to register and unregister idle function Arun R Bharadwaj
2009-09-01 11:40 ` Arun R Bharadwaj [this message]
2009-09-01 11:41 ` [v4 PATCH 4/5]: cpuidle: Add Kconfig entry to enable cpuidle for POWER Arun R Bharadwaj
2009-09-01 11:42 ` [v4 PATCH 5/5]: pSeries: Implement pSeries processor idle module Arun R Bharadwaj
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