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: justin.he@arm.com, Wei.Chen@arm.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, nd@arm.com,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v13 6/9] clocksource: Add clocksource id for arm arch counter
Date: Fri, 19 Jun 2020 17:30:30 +0800 [thread overview]
Message-ID: <20200619093033.58344-7-jianyong.wu@arm.com> (raw)
In-Reply-To: <20200619093033.58344-1-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 ecf7b7db2d05..edc5be0ae324 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>
@@ -191,6 +192,7 @@ 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 4d8e19e05328..16775d7d8f8d 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
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next prev parent reply other threads:[~2020-06-19 9:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 9:30 [RFC PATCH v13 0/9] Enable ptp_kvm for arm64 Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 1/9] arm64: Probe for the presence of KVM hypervisor services during boot Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 2/9] arm/arm64: KVM: Advertise KVM UID to guests via SMCCC Jianyong Wu
2020-06-19 9:30 ` [PATCH v13 3/9] smccc: Export smccc conduit get helper Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 4/9] ptp: Reorganize ptp_kvm module to make it arch-independent Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 5/9] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2020-06-19 9:30 ` Jianyong Wu [this message]
2020-06-19 9:30 ` [RFC PATCH v13 7/9] arm64/kvm: Add hypercall service for kvm ptp Jianyong Wu
2020-06-19 10:44 ` Steven Price
2020-06-22 2:25 ` Jianyong Wu
2020-06-22 9:51 ` Steven Price
2020-06-23 10:23 ` Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 8/9] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2020-06-19 9:30 ` [RFC PATCH v13 9/9] arm64: Add kvm capability check extension for ptp_kvm Jianyong Wu
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