From: Jianyong Wu <jianyong.wu@arm.com>
To: netdev@vger.kernel.org, yangbo.lu@nxp.com,
john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com,
sean.j.christopherson@intel.com, maz@kernel.org,
richardcochran@gmail.com, Mark.Rutland@arm.com, will@kernel.org,
suzuki.poulose@arm.com, steven.price@arm.com
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
Steve.Capper@arm.com, Kaly.Xin@arm.com, justin.he@arm.com,
jianyong.wu@arm.com, nd@arm.com
Subject: [RFC PATCH 4/9] clocksource: Add clocksource id for arm arch counter
Date: Mon, 10 Feb 2020 16:49:01 +0800 [thread overview]
Message-ID: <20200210084906.24870-5-jianyong.wu@arm.com> (raw)
In-Reply-To: <20200210084906.24870-1-jianyong.wu@arm.com>
Add clocksource id for arm arch counter to let it be identified easily and
elegantly in ptp_kvm implementation for arm.
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
---
drivers/clocksource/arm_arch_timer.c | 2 ++
include/linux/clocksource_ids.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 9a5464c625b4..4eb014fefa5b 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -16,6 +16,7 @@
#include <linux/cpu_pm.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
+#include <linux/clocksource_ids.h>
#include <linux/interrupt.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
@@ -187,6 +188,7 @@ static u64 arch_counter_read_cc(const struct cyclecounter *cc)
static struct clocksource clocksource_counter = {
.name = "arch_sys_counter",
+ .id = CSID_ARM_ARCH_COUNTER,
.rating = 400,
.read = arch_counter_read,
.mask = CLOCKSOURCE_MASK(56),
diff --git a/include/linux/clocksource_ids.h b/include/linux/clocksource_ids.h
index 5595ab843c3d..93bec8426c44 100644
--- a/include/linux/clocksource_ids.h
+++ b/include/linux/clocksource_ids.h
@@ -5,6 +5,7 @@
/* Enum to give clocksources a unique identifier */
enum clocksource_ids {
CSID_GENERIC = 0,
+ CSID_ARM_ARCH_COUNTER,
CSID_MAX,
};
--
2.17.1
next prev parent reply other threads:[~2020-02-10 8:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 8:48 [RFC PATCH v10 0/9] Enable ptp_kvm for arm/arm64 Jianyong Wu
2020-02-10 8:48 ` [RFC PATCH 1/9] psci: export psci conduit get helper Jianyong Wu
2020-02-10 8:48 ` [RFC PATCH 2/9] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2020-02-10 8:49 ` [RFC PATCH 3/9] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2020-02-10 8:49 ` Jianyong Wu [this message]
2020-02-10 8:49 ` [RFC PATCH 5/9] psci: Add hypercall service for ptp_kvm Jianyong Wu
2020-02-10 8:49 ` [RFC PATCH 6/9] ptp: arm/arm64: Enable ptp_kvm for arm/arm64 Jianyong Wu
2020-02-10 8:49 ` [RFC PATCH 7/9] ptp: extend input argument for getcrosstimestamp API Jianyong Wu
2020-02-10 8:49 ` [RFC PATCH 8/9] arm/arm64: add mechanism to let user choose which counter to return Jianyong Wu
2020-02-10 8:49 ` [RFC PATCH 9/9] arm/arm64: Add kvm capability check extension for ptp_kvm Jianyong Wu
2020-02-17 2:28 ` [RFC PATCH v10 0/9] Enable ptp_kvm for arm/arm64 Jianyong Wu
2020-03-27 9:35 ` Jianyong Wu
2020-03-27 9:36 ` Marc Zyngier
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=20200210084906.24870-5-jianyong.wu@arm.com \
--to=jianyong.wu@arm.com \
--cc=Kaly.Xin@arm.com \
--cc=Mark.Rutland@arm.com \
--cc=Steve.Capper@arm.com \
--cc=john.stultz@linaro.org \
--cc=justin.he@arm.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maz@kernel.org \
--cc=nd@arm.com \
--cc=netdev@vger.kernel.org \
--cc=pbonzini@redhat.com \
--cc=richardcochran@gmail.com \
--cc=sean.j.christopherson@intel.com \
--cc=steven.price@arm.com \
--cc=suzuki.poulose@arm.com \
--cc=tglx@linutronix.de \
--cc=will@kernel.org \
--cc=yangbo.lu@nxp.com \
/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).