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From: Mark Rutland <mark.rutland@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, lorenzo.pieralisi@arm.com,
	suzuki.poulose@arm.com, marc.zyngier@arm.com,
	catalin.marinas@arm.com, will.deacon@arm.com,
	linux@armlinux.org.uk, james.morse@arm.com, robin.murphy@arm.com
Subject: [PATCHv3 5/6] firmware: arm_sdei: use common SMCCC_CONDUIT_*
Date: Fri,  9 Aug 2019 14:22:44 +0100	[thread overview]
Message-ID: <20190809132245.43505-6-mark.rutland@arm.com> (raw)
In-Reply-To: <20190809132245.43505-1-mark.rutland@arm.com>

Now that we have common definitions for SMCCC conduits, move the SDEI
code over to them, and remove the SDEI-specific definitions.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: James Morse <james.morse@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/kernel/sdei.c    |  3 ++-
 drivers/firmware/arm_sdei.c | 12 ++++++------
 include/linux/arm_sdei.h    |  6 ------
 3 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c
index ea94cf8f9dc6..d6259dac62b6 100644
--- a/arch/arm64/kernel/sdei.c
+++ b/arch/arm64/kernel/sdei.c
@@ -2,6 +2,7 @@
 // Copyright (C) 2017 Arm Ltd.
 #define pr_fmt(fmt) "sdei: " fmt
 
+#include <linux/arm-smccc.h>
 #include <linux/arm_sdei.h>
 #include <linux/hardirq.h>
 #include <linux/irqflags.h>
@@ -161,7 +162,7 @@ unsigned long sdei_arch_get_entry_point(int conduit)
 			return 0;
 	}
 
-	sdei_exit_mode = (conduit == CONDUIT_HVC) ? SDEI_EXIT_HVC : SDEI_EXIT_SMC;
+	sdei_exit_mode = (conduit == SMCCC_CONDUIT_HVC) ? SDEI_EXIT_HVC : SDEI_EXIT_SMC;
 
 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
 	if (arm64_kernel_unmapped_at_el0()) {
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 9cd70d1a5622..a479023fa036 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -967,29 +967,29 @@ static int sdei_get_conduit(struct platform_device *pdev)
 	if (np) {
 		if (of_property_read_string(np, "method", &method)) {
 			pr_warn("missing \"method\" property\n");
-			return CONDUIT_INVALID;
+			return SMCCC_CONDUIT_NONE;
 		}
 
 		if (!strcmp("hvc", method)) {
 			sdei_firmware_call = &sdei_smccc_hvc;
-			return CONDUIT_HVC;
+			return SMCCC_CONDUIT_HVC;
 		} else if (!strcmp("smc", method)) {
 			sdei_firmware_call = &sdei_smccc_smc;
-			return CONDUIT_SMC;
+			return SMCCC_CONDUIT_SMC;
 		}
 
 		pr_warn("invalid \"method\" property: %s\n", method);
 	} else if (IS_ENABLED(CONFIG_ACPI) && !acpi_disabled) {
 		if (acpi_psci_use_hvc()) {
 			sdei_firmware_call = &sdei_smccc_hvc;
-			return CONDUIT_HVC;
+			return SMCCC_CONDUIT_HVC;
 		} else {
 			sdei_firmware_call = &sdei_smccc_smc;
-			return CONDUIT_SMC;
+			return SMCCC_CONDUIT_SMC;
 		}
 	}
 
-	return CONDUIT_INVALID;
+	return SMCCC_CONDUIT_NONE;
 }
 
 static int sdei_probe(struct platform_device *pdev)
diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
index 3305ea7f9dc7..0a241c5c911d 100644
--- a/include/linux/arm_sdei.h
+++ b/include/linux/arm_sdei.h
@@ -5,12 +5,6 @@
 
 #include <uapi/linux/arm_sdei.h>
 
-enum sdei_conduit_types {
-	CONDUIT_INVALID = 0,
-	CONDUIT_SMC,
-	CONDUIT_HVC,
-};
-
 #include <acpi/ghes.h>
 
 #ifdef CONFIG_ARM_SDE_INTERFACE
-- 
2.11.0


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  parent reply	other threads:[~2019-08-09 13:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-09 13:22 [PATCHv3 0/6] arm/arm64: SMCCC conduit cleanup Mark Rutland
2019-08-09 13:22 ` [PATCHv3 1/6] arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Mark Rutland
2019-08-12 15:03   ` Dave Martin
2019-08-12 15:06     ` Mark Rutland
2019-08-12 15:10       ` Dave Martin
2019-08-12 15:26         ` Mark Rutland
2019-08-13 11:38           ` Dave Martin
2019-08-09 13:22 ` [PATCHv3 2/6] arm64: errata: use arm_smccc_1_1_get_conduit() Mark Rutland
2019-08-09 13:22 ` [PATCHv3 3/6] arm: spectre-v2: " Mark Rutland
2019-10-11 14:02   ` Catalin Marinas
2019-08-09 13:22 ` [PATCHv3 4/6] firmware/psci: use common SMCCC_CONDUIT_* Mark Rutland
2019-08-09 13:22 ` Mark Rutland [this message]
2019-08-09 13:22 ` [PATCHv3 6/6] smccc: make 1.1 macros value-returning Mark Rutland
2019-08-15 16:42   ` Will Deacon
2019-08-19 10:44     ` Mark Rutland

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