From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-kernel@vger.kernel.org, Steven Price <steven.price@arm.com>,
harb@amperecomputing.com, Sudeep Holla <sudeep.holla@arm.com>,
Will Deacon <will@kernel.org>
Subject: [PATCH 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes
Date: Thu, 30 Apr 2020 12:48:11 +0100 [thread overview]
Message-ID: <20200430114814.14116-3-sudeep.holla@arm.com> (raw)
In-Reply-To: <20200430114814.14116-1-sudeep.holla@arm.com>
Add the definition for SMCCC v1.2 version and new error code added.
While at it, also add a note that ARM DEN 0070A is deprecated and is
now merged into the main SMCCC specification(ARM DEN 0028C).
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
include/linux/arm-smccc.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 6c1d1eda3be4..9d9a2e42e919 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -56,6 +56,7 @@
#define ARM_SMCCC_VERSION_1_0 0x10000
#define ARM_SMCCC_VERSION_1_1 0x10001
+#define ARM_SMCCC_VERSION_1_2 0x10002
#define ARM_SMCCC_VERSION_FUNC_ID \
ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
@@ -314,10 +315,14 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
*/
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
-/* Return codes defined in ARM DEN 0070A */
+/*
+ * Return codes defined in ARM DEN 0070A
+ * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028C
+ */
#define SMCCC_RET_SUCCESS 0
#define SMCCC_RET_NOT_SUPPORTED -1
#define SMCCC_RET_NOT_REQUIRED -2
+#define SMCCC_RET_INVALID_PARAMETER -3
/*
* Like arm_smccc_1_1* but always returns SMCCC_RET_NOT_SUPPORTED.
--
2.17.1
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next prev parent reply other threads:[~2020-04-30 11:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 11:48 [PATCH 0/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-04-30 11:48 ` [PATCH 1/5] arm/arm64: smccc: Update link to latest SMCCC specification Sudeep Holla
2020-05-01 14:46 ` Steven Price
2020-04-30 11:48 ` Sudeep Holla [this message]
2020-05-01 14:46 ` [PATCH 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes Steven Price
2020-04-30 11:48 ` [PATCH 3/5] arm/arm64: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead Sudeep Holla
2020-05-01 14:48 ` Steven Price
2020-04-30 11:48 ` [PATCH 4/5] firmware: psci: Add function to fetch SMCCC version Sudeep Holla
2020-04-30 11:48 ` [PATCH 5/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-05-01 15:07 ` Steven Price
2020-05-01 15:57 ` Sudeep Holla
2020-05-01 15:25 ` John Garry
2020-05-01 16:05 ` Sudeep Holla
2020-05-01 16:40 ` John Garry
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