linux-kernel - Re: [RFCv2 9/9] caif-xshm: Add CAIF driver for Shared memory for M7400

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Message-Id: <20111129.144725.183069721.davem@davemloft.net>
Date:	Tue, 29 Nov 2011 14:47:25 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	sjur.brandeland@...ricsson.com
Cc:	linux-kernel@...r.kernel.org, linus.walleij@...aro.org,
	sjurbren@...il.com, pebolle@...cali.nl, netdev@...r.kernel.org
Subject: Re: [RFCv2 9/9] caif-xshm: Add CAIF driver for Shared memory for
 M7400

From: Sjur Brændeland <sjur.brandeland@...ricsson.com>
Date: Tue, 29 Nov 2011 20:39:10 +0100

> This patch introduces a caif shared memory link layer driver
> for ST-Ericsson's Thor M7400 LTE modem.
> 
> M7400 uses a ring-buffer in shared memory for transporting data from the modem.
> Each ring-buffer element contains an array of caif frames. caif_xshm calls
> napi_schedule() when receiving notification about incoming data.
> The napi-poll function copies data from the ring-buffer to SKBs until
> ring-buffer is empty, or quota is exceeded.
> 
> If transmit ring-buffer is full, it also uses napi for scheduling transmission
> of queued transmit buffer.
> 
> Signed-off-by: Sjur Brændeland <sjur.brandeland@...ricsson.com>
> cc: netdev@...r.kernel.org

I'm happy for this to go into the tree where the necessary xshm infrastructure
goes first:

Acked-by: David S. Miller <davem@...emloft.net>
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