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SubjectRe: [PATCH v2] acpi: Fix ARM32 platforms compile issue introduced by fw_table changes
On Tue, Nov 21, 2023 at 11:19 PM Dave Jiang <dave.jiang@intel.com> wrote:

> Linus reported that:
> After commit a103f46633fd the kernel stopped compiling for
> several ARM32 platforms that I am building with a bare metal
> compiler. Bare metal compilers (arm-none-eabi-) don't
> define __linux__.
>
> This is because the header <acpi/platform/acenv.h> is now
> in the include path for <linux/irq.h>:
>
> CC arch/arm/kernel/irq.o
> CC kernel/sysctl.o
> CC crypto/api.o
> In file included from ../include/acpi/acpi.h:22,
> from ../include/linux/fw_table.h:29,
> from ../include/linux/acpi.h:18,
> from ../include/linux/irqchip.h:14,
> from ../arch/arm/kernel/irq.c:25:
> ../include/acpi/platform/acenv.h:218:2: error: #error Unknown target environment
> 218 | #error Unknown target environment
> | ^~~~~
>
> The issue is caused by the introducing of splitting out the ACPI code to
> support the new generic fw_table code.
>
> Rafael suggested [1] moving the fw_table.h include in linux/acpi.h to below
> the linux/mutex.h. Remove the two includes in fw_table.h. Add include of
> linux/acpi.h in fw_table.c before the fw_table.h include.
>
> Link: https://lore.kernel.org/linux-acpi/CAJZ5v0idWdJq3JSqQWLG5q+b+b=zkEdWR55rGYEoxh7R6N8kFQ@mail.gmail.com/
> Fixes: a103f46633fd ("acpi: Move common tables helper functions to common lib")
> Reported-by: Linus Walleij <linus.walleij@linaro.org>
> Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>

This works fine on my end.
Tested-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

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