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SubjectRe: [PATCH] ACPI: tables: Add custom DSDT file as makefile prerequisite
On Mon, Jun 21, 2021 at 5:24 PM Richard Fitzgerald
<rf@opensource.cirrus.com> wrote:
>
> A custom DSDT file is mostly used during development or debugging,
> and in that case it is quite likely to want to rebuild the kernel
> after changing ONLY the content of the DSDT.
>
> This patch adds the custom DSDT as a prerequisite to tables.o
> to ensure a rebuild if the DSDT file is updated. Make will merge
> the prerequisites from multiple rules for the same target.
>
> Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
> ---
> drivers/acpi/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
> index efb0d1f64019..ceb1aed4b1fc 100644
> --- a/drivers/acpi/Makefile
> +++ b/drivers/acpi/Makefile
> @@ -8,6 +8,11 @@ ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
> #
> # ACPI Boot-Time Table Parsing
> #
> +ifeq ($(CONFIG_ACPI_CUSTOM_DSDT),y)
> +tables.o: $(src)/../../include/$(subst $\",,$(CONFIG_ACPI_CUSTOM_DSDT_FILE)) ;
> +
> +endif
> +
> obj-$(CONFIG_ACPI) += tables.o
> obj-$(CONFIG_X86) += blacklist.o
>
> --

Applied as 5.14 material, thanks!

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