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RE: [EXT] Re: [PATCH 3/3] mwifiex: pcie: avoid hardcode wifi-only firmware name

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Hi Brain,

> -----Original Message-----
> From: Brian Norris [mailto:briannorris@xxxxxxxxxxxx]
> Sent: 2017年4月4日 2:49
> To: Dmitry Torokhov
> Cc: Xinming Hu; Linux Wireless; Kalle Valo; Rajat Jain; Amitkumar Karwar; Cathy
> Luo; Xinming Hu
> Subject: [EXT] Re: [PATCH 3/3] mwifiex: pcie: avoid hardcode wifi-only
> firmware name
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Fri, Mar 31, 2017 at 03:50:27PM -0700, Dmitry Torokhov wrote:
> > That said, I consider the whole wifi-only firmware business is quite
> > fragile. Can we have unified firmware and have driver figure out what
> > part shoudl be [re]loaded?
> 
> +1. I think we should really give a stab at this first, and *then* see
> how we want to patch up the flagging of support on a per-chipset basis.
> As-is, you're wasting filesystem space on a duplicate firmware blob, that we
> have to make sure gets updated in sync with the combined firmware every
> time there's an update.
> 
> Proof of the duplicate blob -- the latter portion of the combined FW is identical
> to the WLAN-only:
> 
>   $ cmp mrvl/pcie{usb8997_combo,8997_wlan}_v4.bin $((0x2919c)); echo $?
>   0

Thanks for the review, we have a new solution for extracting wifi-only part from combo firmware, will send it in v2.

Thanks
Simon
> 
> Brian




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