Re: [RFC][PATCH 23/30] ACPI / hotplug / PCI: Do not exectute _PS0and _PS3 directly

From: Mika Westerberg
Date: Fri Jul 12 2013 - 08:59:46 EST


On Fri, Jul 12, 2013 at 02:01:30AM +0200, Rafael J. Wysocki wrote:
> Index: linux-pm/drivers/pci/hotplug/acpiphp.h
> ===================================================================
> --- linux-pm.orig/drivers/pci/hotplug/acpiphp.h
> +++ linux-pm/drivers/pci/hotplug/acpiphp.h
> @@ -160,7 +160,6 @@ struct acpiphp_attention_info
>
> /* slot flags */
>
> -#define SLOT_POWEREDON (0x00000001)
> #define SLOT_ENABLED (0x00000002)
> #define SLOT_MULTIFUNCTION (0x00000004)
>
> @@ -168,11 +167,7 @@ struct acpiphp_attention_info
>
> #define FUNC_HAS_STA (0x00000001)
> #define FUNC_HAS_EJ0 (0x00000002)
> -#define FUNC_HAS_PS0 (0x00000010)
> -#define FUNC_HAS_PS1 (0x00000020)
> -#define FUNC_HAS_PS2 (0x00000040)
> -#define FUNC_HAS_PS3 (0x00000080)
> -#define FUNC_HAS_DCK (0x00000100)
> +#define FUNC_HAS_DCK (0x00000003)

These are flags not enum so the above wants to be

#define FUNC_HAS_DCK (0x00000004)

otherwise we accidentally match checks like:

/* install notify handler */
if (!(newfunc->flags & FUNC_HAS_DCK)) {
...
--
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