linux-kernel - Re: [PATCH] Make platform_device_add

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Message-ID: <4570848C.5040705@freescale.com>
Date:	Fri, 01 Dec 2006 13:37:48 -0600
From:	Scott Wood <scottwood@...escale.com>
To:	Russell King <rmk+lkml@....linux.org.uk>
CC:	trivial@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make platform_device_add_data accept a const pointer.

Russell King wrote:
> On Fri, Dec 01, 2006 at 12:54:47PM -0600, Scott Wood wrote:
> 
>>platform_device_add_data() makes a copy of the data that is given to it,
>>and thus the parameter can be const.  This removes a warning when data
>>from get_property() on powerpc is handed to platform_device_add_data(),
>>as get_property() returns a const pointer.
> 
> 
> Doesn't this cause a compile warning in platform.c, concerning assigning
> 'data' to struct device's non-const 'platform_data' pointer?

No, because it doesn't assign data to platform_data; it memcpy()s it (as 
stated above).

-Scott
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