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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, kvm@vger.kernel.org, Steve.Capper@arm.com,
	jianyong.wu@arm.com, linux-kernel@vger.kernel.org,
	Kaly.Xin@arm.com, nd@arm.com, kvmarm@lists.cs.columbia.edu,
	linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v9 2/8] psci: let arm_smccc_1_1_invoke available by modules
Date: Tue, 10 Dec 2019 11:40:20 +0800	[thread overview]
Message-ID: <20191210034026.45229-3-jianyong.wu@arm.com> (raw)
In-Reply-To: <20191210034026.45229-1-jianyong.wu@arm.com>

Export arm_smccc_1_1_get_conduit and apply it to get conduit
in arm_smccc_1_1_invoke, then modules can use this arm_smccc_1_1_invoke.

Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
---
 drivers/firmware/psci/psci.c | 1 +
 include/linux/arm-smccc.h    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 5f31f1bea1af..cf509171422c 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -71,6 +71,7 @@ enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
 		return SMCCC_CONDUIT_NONE;
 	}
 }
+EXPORT_SYMBOL(arm_smccc_1_1_get_conduit);
 
 typedef unsigned long (psci_fn)(unsigned long, unsigned long,
 				unsigned long, unsigned long);
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 701fa1da6b4a..6f82c87308ed 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -373,7 +373,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
  * The return value also provides the conduit that was used.
  */
 #define arm_smccc_1_1_invoke(...) ({					\
-		int method = psci_ops.conduit;				\
+		int method = arm_smccc_1_1_get_conduit();		\
 		switch (method) {					\
 		case PSCI_CONDUIT_HVC:					\
 			arm_smccc_1_1_hvc(__VA_ARGS__);			\
-- 
2.17.1


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  parent reply	other threads:[~2019-12-10  3:41 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10  3:40 [RFC PATCH v9 0/8] Enable ptp_kvm for arm64 Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 1/8] arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Jianyong Wu
2019-12-10  3:40 ` Jianyong Wu [this message]
2019-12-10  3:40 ` [RFC PATCH v9 3/8] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 4/8] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 5/8] clocksource: Add clocksource id for arm arch counter Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 6/8] psci: Add hvc call service for ptp_kvm Jianyong Wu
2020-01-07  9:16   ` Marc Zyngier
2020-01-09  5:45     ` Jianyong Wu
2020-01-09  9:16       ` Marc Zyngier
2020-01-10  9:51         ` Jianyong Wu
2020-01-10 10:56           ` Marc Zyngier
2020-01-13 10:30             ` Jianyong Wu
2020-01-13 11:16               ` Marc Zyngier
2020-01-14 10:34                 ` Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2020-01-07  9:29   ` Marc Zyngier
2020-01-09  5:59     ` Jianyong Wu
2020-01-09  9:24       ` Marc Zyngier
2020-01-09  9:46         ` Marc Zyngier
2020-01-10 10:15           ` Jianyong Wu
2020-01-10 10:15         ` Jianyong Wu
2020-01-10 10:35           ` Marc Zyngier
2020-01-13 10:37             ` Jianyong Wu
2020-01-13 11:21               ` Marc Zyngier
2020-01-14 10:22                 ` Jianyong Wu
2019-12-10  3:40 ` [RFC PATCH v9 8/8] kvm: arm64: Add capability check extension for ptp_kvm Jianyong Wu
2020-01-06  9:38 ` [RFC PATCH v9 0/8] Enable ptp_kvm for arm64 Jianyong Wu
2020-01-07  8:15   ` Paolo Bonzini
2020-01-07  9:33     ` Marc Zyngier

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