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Date: Thu, 19 Aug 2010 10:51:34 +0800 From: Ike Panhc <ike.pan@...onical.com> To: Matthew Garrett <mjg59@...f.ucam.org> CC: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, Thomas Renninger <trenn@...e.de>, Alan Cox <alan@...ux.intel.com>, Andrew Morton <akpm@...ux-foundation.org>, Corentin Chary <corentincj@...aif.net>, David Woodhouse <David.Woodhouse@...el.com>, Randy Dunlap <randy.dunlap@...cle.com>, Len Brown <len.brown@...el.com> Subject: Re: [PATCH 3/8] ideapad: make sure we bind on the correct device On 08/18/2010 09:27 PM, Matthew Garrett wrote: > On Wed, Aug 18, 2010 at 04:37:33PM +0800, Ike Panhc wrote: >> By reading from method _STA and _CFG to make sure we bind on the correct >> VPC2004 device. > > I know some other drivers check _STA themselves, but it's unnecessary - > if _STA didn't evaluate appropriately, the bus driver won't create the > pnp object and there won't be anything for you to bind to in the first > place. > yes, you are right. when add, acpi_bus will check for it and tell if the device exist or not from its bits. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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