linux-kernel - Re: [PATCH] pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard

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Date:   Fri, 21 Jun 2019 13:39:28 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nathan Chancellor <natechancellor@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        Lee Jones <lee.jones@...aro.org>,
        Michal Simek <monstr@...str.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Darren Hart <dvhart@...radead.org>
Subject: Re: [PATCH] pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard

On Fri, 2019-06-21 at 13:20 -0700, Nathan Chancellor wrote:
> Clang warns when CONFIG_ACPI is unset:

Any of these others need the same s/#if/#ifdef/ ?

$ git grep -P '^\s*#\s*if\s+CONFIG_[A-Z0-9_]+\s*$' *
arch/microblaze/include/asm/exceptions.h:#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
arch/microblaze/include/asm/hash.h:#if CONFIG_XILINX_MICROBLAZE0_USE_BARREL
arch/microblaze/include/asm/irqflags.h:#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
arch/microblaze/kernel/entry-nommu.S:#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
arch/microblaze/kernel/entry.S:#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
arch/microblaze/kernel/entry.S:#if CONFIG_MANUAL_RESET_VECTOR
arch/microblaze/kernel/setup.c:#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
arch/powerpc/platforms/powernv/pci.c:#if CONFIG_EEH
arch/x86/boot/compressed/misc.c:#if CONFIG_X86_NEED_RELOCS
arch/x86/boot/compressed/misc.h:#if CONFIG_RANDOMIZE_BASE
drivers/pinctrl/qcom/pinctrl-sdm845.c:#if CONFIG_ACPI
kernel/futex.c:#if CONFIG_BASE_SMALL