[RFC] Initial support for the new MC74XX modules

Dan Williams dcbw at redhat.com
Wed Jan 6 09:24:57 PST 2016


On Tue, 2015-12-29 at 17:56 +0100, Aleksander Morgado wrote:
> Hey,
> 
> The new Sierra MC74XX modules are very very different to all previous
> Sierra modules. Among other things, they always work in raw-ip mode,
> and they also don't implement "DMS UIM" commands.
> 
> This series of patches introduces some initial support for these
> modules, by trying to modify the expected link layer protocol in the
> kernel to the one reported via WDA (if any), and also by implementing
> the "unlock required" check using "UIM Get Card Status" instead of
> "DMS UIM Get PIN status". There are multiple other operations based
> on "DMS UIM" that should be updated to use "UIM" service operations,
> but this one at least allows using the module when the SIM card has
> PIN request disabled.
> 
> There's also another patch which ends up requesting Static IP
> configuration on the newly connected Bearer if raw-ip is used; for
> now to avoid needing a DHCP client with raw-ip support.
> 
> Comments welcome!

Patches look good to me.

Dan


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