From: tip-bot for Sebastian Andrzej Siewior <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: roy.pledge@nxp.com, tglx@linutronix.de,
linux-kernel@vger.kernel.org, mingo@kernel.org, hpa@zytor.com,
claudiu.manoil@nxp.com, oss@buserror.net, bigeasy@linutronix.de
Subject: [tip:smp/hotplug] soc/fsl/qbman: Convert to hotplug state machine
Date: Thu, 1 Dec 2016 16:17:22 -0800 [thread overview]
Message-ID: <tip-1f759d328f6d8c06b5db55374b028565187deaca@git.kernel.org> (raw)
In-Reply-To: <20161126231350.10321-21-bigeasy@linutronix.de>
Commit-ID: 1f759d328f6d8c06b5db55374b028565187deaca
Gitweb: http://git.kernel.org/tip/1f759d328f6d8c06b5db55374b028565187deaca
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
AuthorDate: Sun, 27 Nov 2016 00:13:48 +0100
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 2 Dec 2016 00:52:40 +0100
soc/fsl/qbman: Convert to hotplug state machine
Install the callbacks via the state machine.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-21-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/soc/fsl/qbman/qman_portal.c | 39 ++++++++++++-------------------------
1 file changed, 12 insertions(+), 27 deletions(-)
diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index 1486143..d068e48 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -179,7 +179,7 @@ static void qman_portal_update_sdest(const struct qm_portal_config *pcfg,
qman_set_sdest(pcfg->channel, cpu);
}
-static void qman_offline_cpu(unsigned int cpu)
+static int qman_offline_cpu(unsigned int cpu)
{
struct qman_portal *p;
const struct qm_portal_config *pcfg;
@@ -192,9 +192,10 @@ static void qman_offline_cpu(unsigned int cpu)
qman_portal_update_sdest(pcfg, 0);
}
}
+ return 0;
}
-static void qman_online_cpu(unsigned int cpu)
+static int qman_online_cpu(unsigned int cpu)
{
struct qman_portal *p;
const struct qm_portal_config *pcfg;
@@ -207,31 +208,9 @@ static void qman_online_cpu(unsigned int cpu)
qman_portal_update_sdest(pcfg, cpu);
}
}
+ return 0;
}
-static int qman_hotplug_cpu_callback(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
-{
- unsigned int cpu = (unsigned long)hcpu;
-
- switch (action) {
- case CPU_ONLINE:
- case CPU_ONLINE_FROZEN:
- qman_online_cpu(cpu);
- break;
- case CPU_DOWN_PREPARE:
- case CPU_DOWN_PREPARE_FROZEN:
- qman_offline_cpu(cpu);
- default:
- break;
- }
- return NOTIFY_OK;
-}
-
-static struct notifier_block qman_hotplug_cpu_notifier = {
- .notifier_call = qman_hotplug_cpu_callback,
-};
-
static int qman_portal_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -346,8 +325,14 @@ static int __init qman_portal_driver_register(struct platform_driver *drv)
if (ret < 0)
return ret;
- register_hotcpu_notifier(&qman_hotplug_cpu_notifier);
-
+ ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
+ "soc/qman_portal:online",
+ qman_online_cpu, qman_offline_cpu);
+ if (ret < 0) {
+ pr_err("qman: failed to register hotplug callbacks.\n");
+ platform_driver_unregister(drv);
+ return ret;
+ }
return 0;
}
next prev parent reply other threads:[~2016-12-02 0:17 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-26 23:13 cpu hotplug: convert more drivers (batch #6 and last) Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 01/22] cpufreq/acpi-cpufreq: Convert to hotplug state machine Sebastian Andrzej Siewior
2016-11-28 5:15 ` Viresh Kumar
2016-11-28 9:49 ` Sebastian Andrzej Siewior
2016-11-28 9:51 ` [PATCH 01/22 v2] " Sebastian Andrzej Siewior
2016-11-28 9:54 ` Viresh Kumar
2016-11-28 12:46 ` Rafael J. Wysocki
2016-11-26 23:13 ` [PATCH 02/22] cpufreq/acpi-cpufreq: drop rdmsr_on_cpus() usage Sebastian Andrzej Siewior
2016-11-28 9:52 ` [PATCH 02/22 v2] " Sebastian Andrzej Siewior
2016-11-28 9:54 ` Viresh Kumar
2016-11-26 23:13 ` [PATCH 03/22] idle/intel: Remove superfluous SMP fuction call Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 04/22] idle/intel: Convert to hotplug state machine Sebastian Andrzej Siewior
2016-11-28 17:29 ` Thomas Gleixner
2016-11-29 9:40 ` Sebastian Andrzej Siewior
2016-11-29 9:51 ` [PATCH 04/22 v2] " Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 05/22] oprofile/nmi timer: " Sebastian Andrzej Siewior
2016-12-02 0:09 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 06/22] tracing/rb: " Sebastian Andrzej Siewior
2016-12-02 0:10 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-12-07 11:15 ` [linux-next] tracing/rb: NULL pointer dereference at trace_rb_cpu_prepare() Tetsuo Handa
2016-12-07 13:31 ` [PATCH] tracing/rb: init the CPU mask on allocation Sebastian Andrzej Siewior
2016-12-07 13:43 ` [tip:smp/hotplug] tracing/rb: Init " tip-bot for Sebastian Andrzej Siewior
2016-12-07 14:33 ` [PATCH] tracing/rb: init " Tetsuo Handa
2016-11-26 23:13 ` [PATCH 07/22] mm/vmstat: Drop get_online_cpus() from init_cpu_node_state/vmstat_cpu_dead() Sebastian Andrzej Siewior
2016-11-28 9:24 ` Michal Hocko
2016-12-02 0:10 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 08/22] mm/vmstat: Avoid on each online CPU loops Sebastian Andrzej Siewior
2016-11-28 9:28 ` Michal Hocko
2016-11-29 14:08 ` Thomas Gleixner
2016-11-29 14:44 ` Michal Hocko
2016-11-29 14:51 ` [PATCH 08/22 v2] " Sebastian Andrzej Siewior
2016-11-29 15:20 ` Michal Hocko
2016-12-02 0:11 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 09/22] mm/vmstat: Convert to hotplug state machine Sebastian Andrzej Siewior
2016-11-29 14:52 ` [PATCH 09/22 v2] " Sebastian Andrzej Siewior
2016-12-02 0:11 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 10/22] mm/zsmalloc: " Sebastian Andrzej Siewior
2016-12-02 0:12 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 11/22] mm/zswap: Convert dst-mem " Sebastian Andrzej Siewior
2016-12-02 0:12 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 12/22] mm/zswap: Convert pool " Sebastian Andrzej Siewior
2016-12-02 0:13 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 13/22] iommu/vt-d: Convert " Sebastian Andrzej Siewior
2016-12-02 0:13 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 14/22] mm/compaction: " Sebastian Andrzej Siewior
2016-12-02 0:14 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 15/22] arm64/cpuinfo: Make hotplug notifier symmetric Sebastian Andrzej Siewior
2016-11-29 17:22 ` Suzuki K Poulose
2016-12-02 0:14 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 16/22] arm64/cpuinfo: Convert to hotplug state machine Sebastian Andrzej Siewior
2016-11-29 17:26 ` Suzuki K Poulose
2016-12-02 0:15 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 17/22] KVM/PPC/Book3S HV: " Sebastian Andrzej Siewior
2016-12-02 0:15 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 18/22] zram: " Sebastian Andrzej Siewior
2016-12-02 0:16 ` [tip:smp/hotplug] " tip-bot for Anna-Maria Gleixner
2016-11-26 23:13 ` [PATCH 19/22] soc/fsl/qbman: " Sebastian Andrzej Siewior
2016-12-02 0:16 ` [tip:smp/hotplug] " tip-bot for Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 20/22] " Sebastian Andrzej Siewior
2016-12-02 0:17 ` tip-bot for Sebastian Andrzej Siewior [this message]
2016-11-26 23:13 ` [PATCH 21/22] staging/lustre/libcfs: " Sebastian Andrzej Siewior
2016-12-02 10:18 ` [PATCH 21/22 v2] " Sebastian Andrzej Siewior
2016-12-02 10:42 ` Greg Kroah-Hartman
2016-12-02 11:00 ` [PATCH 21/22 v3] " Sebastian Andrzej Siewior
2016-11-26 23:13 ` [PATCH 22/22] Remove obsolete cpu hotplug register / unregister functions Sebastian Andrzej Siewior
2016-12-21 19:19 [patch 00/10] cpu/hotplug: Final cleanup Thomas Gleixner
2016-12-21 19:19 ` [patch 01/10] ARM: imx: mmcd: Fix broken cpu hotplug handling Thomas Gleixner
2016-12-22 20:18 ` [tip:smp/urgent] ARM/imx/mmcd: " tip-bot for Thomas Gleixner
2016-12-25 10:02 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 02/10] cpu/hotplug: Prevent overwriting of callbacks Thomas Gleixner
2016-12-22 11:07 ` Thomas Gleixner
2016-12-26 23:04 ` ojab
2016-12-26 23:12 ` ojab
2016-12-22 20:21 ` [tip:smp/urgent] " tip-bot for Thomas Gleixner
2016-12-25 10:04 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 03/10] scsi/bnx2fc: Convert to hotplug state machine Thomas Gleixner
2016-12-22 20:21 ` [tip:smp/urgent] " tip-bot for Sebastian Andrzej Siewior
2016-12-25 10:05 ` tip-bot for Sebastian Andrzej Siewior
2016-12-21 19:19 ` [patch 04/10] scsi/bnx2i: " Thomas Gleixner
2016-12-22 20:22 ` [tip:smp/urgent] " tip-bot for Sebastian Andrzej Siewior
2016-12-25 10:05 ` tip-bot for Sebastian Andrzej Siewior
2016-12-21 19:19 ` [patch 05/10] staging/lustre/libcfs: " Thomas Gleixner
2016-12-22 20:22 ` [tip:smp/urgent] " tip-bot for Anna-Maria Gleixner
2016-12-25 10:06 ` tip-bot for Anna-Maria Gleixner
2016-12-21 19:19 ` [patch 06/10] cpu/hotplug: Remove obsolete cpu hotplug register/unregister functions Thomas Gleixner
2016-12-22 20:23 ` [tip:smp/urgent] " tip-bot for Thomas Gleixner
2016-12-25 10:06 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 07/10] cpu/hotplug: Cleanup state names Thomas Gleixner
2016-12-22 20:23 ` [tip:smp/urgent] " tip-bot for Thomas Gleixner
2016-12-25 10:07 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 08/10] coresight: etm3/4x: Consolidate hotplug state space Thomas Gleixner
2016-12-22 16:30 ` Mathieu Poirier
2016-12-22 20:24 ` [tip:smp/urgent] coresight/etm3/4x: " tip-bot for Thomas Gleixner
2016-12-25 10:07 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 09/10] irqchip/gic: " Thomas Gleixner
2016-12-22 20:24 ` [tip:smp/urgent] " tip-bot for Thomas Gleixner
2016-12-25 10:08 ` tip-bot for Thomas Gleixner
2016-12-21 19:19 ` [patch 10/10] irqchip/armada-xp: " Thomas Gleixner
2016-12-21 20:22 ` Thomas Petazzoni
2016-12-21 20:27 ` Thomas Gleixner
2016-12-22 20:25 ` [tip:smp/urgent] " tip-bot for Thomas Gleixner
2016-12-25 10:08 ` tip-bot for Thomas Gleixner
2016-12-22 17:59 ` [patch 00/10] cpu/hotplug: Final cleanup Sam Ravnborg
2016-12-27 11:17 ` Thomas Gleixner
2016-12-27 19:41 ` Sam Ravnborg
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=tip-1f759d328f6d8c06b5db55374b028565187deaca@git.kernel.org \
--to=tipbot@zytor.com \
--cc=bigeasy@linutronix.de \
--cc=claudiu.manoil@nxp.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=oss@buserror.net \
--cc=roy.pledge@nxp.com \
--cc=tglx@linutronix.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).