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Wed, 29 Nov 2017 14:03:18 +0000 From: Yury Norov To: Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: fix missing 'const' qualifiers Date: Wed, 29 Nov 2017 17:03:03 +0300 Message-Id: <20171129140303.14283-1-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 X-Originating-IP: [111.93.218.67] X-ClientProxiedBy: HE1PR0102CA0011.eurprd01.prod.exchangelabs.com (2603:10a6:7:14::24) To SN4PR0701MB3839.namprd07.prod.outlook.com (2603:10b6:803:4f::14) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 661a5fc8-31ea-4424-e879-08d53731f1a9 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(4534020)(4602075)(4627115)(201703031133081)(201702281549075)(5600026)(4604075)(2017052603199); SRVR:SN4PR0701MB3839; X-Microsoft-Exchange-Diagnostics: 1; SN4PR0701MB3839; 3:oCaMMC2G81sVPQuFaMGy6DEglNSXcUtb7FxPQwK2IgWiqJHq5BiEIS9g1pcfyFmstelddEoEjFh7kWAIS7i1Uv5kFcWXQ9AkKnUHK226a4wVsbzX2VsqZvN54y+TCsmpqNPcujjoBVNJpWNPfIXRehCbNgtdE+3j2BxshZbpX0JShB7W1HTAIsT++HtnAqA8UPOBxn9AR5bF7DVMmYYeLrNY8hq+8Nx3JC9a0lJ0/XF6iVZDrYjnOgquFyui80Ym; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Andi Kleen , Kees Cook , Ard Biesheuvel , Peter Zijlstra , Catalin Marinas , Nick Desaulniers , Yury Norov , Alexander Potapenko , Sami Tolvanen , Alex Matveev , Stephen Boyd , Maxim Kuvyrkov Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP There's inconsistency in variable declaration and section type. GCC doesn't throw error for usual build. But if LTO enabled, build becomes broken, like this: mm/percpu.c:2168:20: error: pcpu_fc_names causes a section type conflict with dt_supported_cpu_ops const char * const pcpu_fc_names[PCPU_FC_NR] __initconst = { ^ arch/arm64/kernel/cpu_ops.c:34:37: note: ‘dt_supported_cpu_ops’ was declared here static const struct cpu_operations *dt_supported_cpu_ops[] __initconst = { And so on. Fix it by adding missed const qualifiers. v2: more details in patch description. Signed-off-by: Yury Norov Reviewed-by: Nick Desaulniers --- arch/arm64/kernel/cpu_ops.c | 6 +++--- drivers/clk/hisilicon/crg-hi3516cv300.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index d16978213c5b..ea001241bdd4 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -31,13 +31,13 @@ extern const struct cpu_operations cpu_psci_ops; const struct cpu_operations *cpu_ops[NR_CPUS] __ro_after_init; -static const struct cpu_operations *dt_supported_cpu_ops[] __initconst = { +static const struct cpu_operations *const dt_supported_cpu_ops[] __initconst = { &smp_spin_table_ops, &cpu_psci_ops, NULL, }; -static const struct cpu_operations *acpi_supported_cpu_ops[] __initconst = { +static const struct cpu_operations *const acpi_supported_cpu_ops[] __initconst = { #ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL &acpi_parking_protocol_ops, #endif @@ -47,7 +47,7 @@ static const struct cpu_operations *acpi_supported_cpu_ops[] __initconst = { static const struct cpu_operations * __init cpu_get_ops(const char *name) { - const struct cpu_operations **ops; + const struct cpu_operations *const *ops; ops = acpi_disabled ? dt_supported_cpu_ops : acpi_supported_cpu_ops; diff --git a/drivers/clk/hisilicon/crg-hi3516cv300.c b/drivers/clk/hisilicon/crg-hi3516cv300.c index 2007123832bb..53450b651e4c 100644 --- a/drivers/clk/hisilicon/crg-hi3516cv300.c +++ b/drivers/clk/hisilicon/crg-hi3516cv300.c @@ -204,7 +204,7 @@ static const struct hisi_crg_funcs hi3516cv300_crg_funcs = { /* hi3516CV300 sysctrl CRG */ #define HI3516CV300_SYSCTRL_NR_CLKS 16 -static const char *wdt_mux_p[] __initconst = { "3m", "apb" }; +static const char *const wdt_mux_p[] __initconst = { "3m", "apb" }; static u32 wdt_mux_table[] = {0, 1}; static const struct hisi_mux_clock hi3516cv300_sysctrl_mux_clks[] = {