linux-kernel - RE: [V7 PATCH 1/3] ACPICA: Add ACPI

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Message-ID: <94F2FBAB4432B54E8AACC7DFDE6C92E37D2B1C7B@ORSMSX112.amr.corp.intel.com>
Date:	Mon, 30 Mar 2015 17:09:02 +0000
From:	"Moore, Robert" <robert.moore@...el.com>
To:	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	"rjw@...ysocki.net" <rjw@...ysocki.net>,
	"mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
	"Zheng, Lv" <lv.zheng@...el.com>,
	"hanjun.guo@...aro.org" <hanjun.guo@...aro.org>
CC:	"lenb@...nel.org" <lenb@...nel.org>,
	"hdegoede@...hat.com" <hdegoede@...hat.com>,
	"tj@...nel.org" <tj@...nel.org>,
	"mjg59@...f.ucam.org" <mjg59@...f.ucam.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"al.stone@...aro.org" <al.stone@...aro.org>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	"leo.duran@....com" <leo.duran@....com>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>
Subject: RE: [V7 PATCH 1/3] ACPICA: Add ACPI _CLS processing

AE_AML_OPERAND_TYPE -- used to indicate an exception raised by a type issue related to the AML code. Used to differentiate between a programmer error (AE_TYPE).


> -----Original Message-----
> From: Suravee Suthikulanit [mailto:suravee.suthikulpanit@....com]
> Sent: Monday, March 30, 2015 7:17 AM
> To: Moore, Robert; rjw@...ysocki.net; mika.westerberg@...ux.intel.com;
> Zheng, Lv; hanjun.guo@...aro.org
> Cc: lenb@...nel.org; hdegoede@...hat.com; tj@...nel.org;
> mjg59@...f.ucam.org; gregkh@...uxfoundation.org; al.stone@...aro.org;
> graeme.gregory@...aro.org; leo.duran@....com; linux-ide@...r.kernel.org;
> linux-acpi@...r.kernel.org; linux-kernel@...r.kernel.org; linaro-
> acpi@...ts.linaro.org
> Subject: Re: [V7 PATCH 1/3] ACPICA: Add ACPI _CLS processing
> 
> On 3/27/2015 12:51 PM, Moore, Robert wrote:
> > +	cls_objects = obj_desc->package.elements;
> > +
> > +	if (obj_desc->common.type == ACPI_TYPE_PACKAGE &&
> > +	    obj_desc->package.count == 3 &&
> > +	    cls_objects[0]->common.type == ACPI_TYPE_INTEGER &&
> > +	    cls_objects[1]->common.type == ACPI_TYPE_INTEGER &&
> > +	    cls_objects[2]->common.type == ACPI_TYPE_INTEGER) {
> > +
> > +		/* Allocate a buffer for the CLS */
> > +		cls = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) +
> > +					 (acpi_size) 7);
> >
> > I would like to see an error returned if an object or subobject is of
> the incorrect type.
> > Then, the caller knows not to attempt to look at it.
> >
> 
> Ok. I will return AE_TYPE if the condition is false here.
> 
> Thanks,
> 
> Suravee

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