linux-kernel - Re: [PATCH v2 0/2] pinctrl: Intel Cherryview/Braswell support

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Message-ID: <54595ED7.2090406@codeaurora.org>
Date:	Tue, 04 Nov 2014 17:18:47 -0600
From:	Timur Tabi <timur@...eaurora.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Ning Li <ning.li@...el.com>, Alan Cox <alan@...ux.intel.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/2] pinctrl: Intel Cherryview/Braswell support

On 11/04/2014 04:56 PM, Timur Tabi wrote:
>
>  >  I'm
>> not sure how much of that code can be shared between DT and ACPI ATM, but
>> it looks like at least some of it can be shared.
>
> So ACPI does not support the concept if variable length properties?

Ah, I see that it does:

int acpi_dev_prop_read_array(struct acpi_device *adev, const char *propname,
			     enum dev_prop_type proptype, void *val,
			     size_t nval)
{
...
	if (!val)
		return obj->package.count;


If I pass NULL for 'val', it returns the number of items.

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Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
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