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SubjectRE: [PATCH -next] thermal: intel_pch_thermal: fix build for ACPI not enabled
Date
> -----Original Message-----
> From: Randy Dunlap <rdunlap@infradead.org>
> Sent: Tuesday, November 17, 2020 8:08 AM
> To: linux-kernel@vger.kernel.org
> Cc: Randy Dunlap <rdunlap@infradead.org>; Pawnikar, Sumeet R
> <sumeet.r.pawnikar@intel.com>; Daniel Lezcano <daniel.lezcano@linaro.org>;
> Zhang, Rui <rui.zhang@intel.com>; Amit Kucheria <amitk@kernel.org>; linux-
> pm@vger.kernel.org
> Subject: [PATCH -next] thermal: intel_pch_thermal: fix build for ACPI not
> enabled
>
> The reference to acpi_gbl_FADT causes a build error when ACPI is not enabled.
> Fix by making that conditional on CONFIG_ACPI.
>

Thanks for finding this issue and fixing it.

Acked-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>


> ../drivers/thermal/intel/intel_pch_thermal.c: In function 'pch_wpt_suspend':
> ../drivers/thermal/intel/intel_pch_thermal.c:217:8: error: 'acpi_gbl_FADT'
> undeclared (first use in this function); did you mean 'acpi_get_type'?
> if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0))
> ^~~~~~~~~~~~~
>
> Fixes: ef63b043ac86 ("thermal: intel: pch: fix S0ix failure due to PCH
> temperature above threshold")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Cc: Zhang Rui <rui.zhang@intel.com>
> Cc: Amit Kucheria <amitk@kernel.org>
> Cc: linux-pm@vger.kernel.org
> ---
> drivers/thermal/intel/intel_pch_thermal.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> --- linux-next-20201116.orig/drivers/thermal/intel/intel_pch_thermal.c
> +++ linux-next-20201116/drivers/thermal/intel/intel_pch_thermal.c
> @@ -214,8 +214,12 @@ static int pch_wpt_suspend(struct pch_th
> }
>
> /* Do not check temperature if it is not a S0ix capable platform */
> +#ifdef CONFIG_ACPI
> if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0))
> return 0;
> +#else
> + return 0;
> +#endif
>
> /* Do not check temperature if it is not s2idle */
> if (pm_suspend_via_firmware())

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