On Wed, Dec 04, 2013 at 12:36:47AM +0800, Hanjun Guo wrote:
> +#if defined(CONFIG_X86) || defined(CONFIG_IA64)
> /* Enable coordination with firmware's _TSD info */
> buf[2] = ACPI_PDC_SMP_T_SWCOORD;
> + if (boot_option_idle_override == IDLE_NOMWAIT) {
> + /*
> + * If mwait is disabled for CPU C-states, the C2C3_FFH access
> + * mode will be disabled in the parameter of _PDC object.
> + * Of course C1_FFH access mode will also be disabled.
> + */
> + buf[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
> +
> + }
> +#endif
This is (fairly) arch-specific, so why not move it to
arch_acpi_set_pdc_bits()?
--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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