Re: ROM Patching (was: [PATCH] bluetooth: remove wrong dependency for BT_ATH3K)
From: Luis R. Rodriguez
Date: Wed Jul 31 2013 - 03:48:59 EST
On Tue, Jul 30, 2013 at 11:46 PM, Johannes Berg
> On Tue, 2013-07-30 at 15:48 -0700, Luis R. Rodriguez wrote:
>> Neat. Perhaps we need something that we can share with 802.11 or other
>> hardare I highly doubt we're the only ones patching ROM. Don't we even
>> patch up core CPUs? I'm wondering if firmware_class could be expanded to
>> support serialized ROM patching. The biggest hurdle I see with splititng
>> ROM patching from a single firmware is serializing that, addressing
>> revision dependencies and of course kernel dependencies.
> I don't really see what you're trying to get it so I arbitrarily picked
> this ...
> I think "ROM patching" like in BT and 802.11 are two completely
> different things. In BT at least you have a common transport to the
> device, a more-or-less common command set (HCI) etc.
> None of that exists
> for wireless (today) so trying to find common ground between firmware
> (patches) for different 802.11 hardware seems completely futile?
So long as we can gaurantee mobile drivers get fw updated as much as
is really needed in the industry great.
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