>-----Original Message-----
>From: Li, Shaohua
>Sent: Monday, April 02, 2007 1:38 AM
>To: linux acpi
>Cc: Brown, Len; Adam Belay; Pallipadi, Venkatesh
>Subject: [PATCH] acpi cpuidle driver should handle max_cstate
>
>After switching to cpuidle framework, acpi driver ingorned max_cstate,
>which will break ipw driver. Below patch fixed the issue. It's a little
>complicated, but this really should be handled in the driver instead of
>cpuidle core. If you have better fix, please speak.
>
>Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>
>
>
>-module_param(max_cstate, uint, 0644);
>+void acpi_max_cstate_changed(void)
>+{
>+ /* Driver will reset devices' max cstate limit */
>+ cpuidle_unregister_driver(&acpi_idle_driver);
>+ cpuidle_register_driver(&acpi_idle_driver);
>+}
Will a redetect work instead of unregister/register.
Thanks,
Venki
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