From: Greg KH <gregkh@linuxfoundation•org>
To: Arun MURTHY <arun.murthy@stericsson•com>
Cc: "linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
"netdev@vger•kernel.org" <netdev@vger•kernel.org>,
"linux-doc@vger•kernel.org" <linux-doc@vger•kernel.org>,
Sjur BRENDELAND <sjur.brandeland@stericsson•com>
Subject: Re: [PATCHv2 1/4] modem_shm: Add Modem Access Framework
Date: Wed, 8 Aug 2012 06:37:48 -0700 [thread overview]
Message-ID: <20120808133748.GA14459@kroah.com> (raw)
In-Reply-To: <F45880696056844FA6A73F415B568C695B0E796A03@EXDCVYMBSTM006.EQ1STM.local>
On Wed, Aug 08, 2012 at 05:36:05AM +0200, Arun MURTHY wrote:
> > On Tue, Aug 07, 2012 at 12:24:28PM +0530, Arun Murthy wrote:
> > > Adds Modem Access Framework, which allows for registering platform
> > specific
> > > modem access mechanisms. The framework also exposes APIs for client
> > drivers
> > > for getting and releasing access to modem, regardless of the
> > underlying
> > > platform specific access mechanism.
> >
> > The term "modems" here has a lot of legacy connotations. First of
> > which
> > is, userspace handles this today as tty devices, why aren't you doing
> > the same here? Why does this have to be something "special"?
> >
>
> The main focus over there the modem IPC.
Over where?
What "modem IPC"?
You need to really explain what you are doing here, as I have no idea.
And I have no idea why you still can't just use a tty device, why can't
you?
> In doing so, there are some functionality like waking the modem, or
> releasing the modem etc. These will be used by the modem IPC drivers
> and also few others like sim driver and security drivers.
What's a "sim driver", and what type of "security drivers" are you
referring to?
> Since this is a shared call and hence has to be synchronized. Hence so a
> small framework like is being done to monitor the modem access related only
> operations.
Again, why can't the tty layer do this for you?
greg k-h
next prev parent reply other threads:[~2012-08-08 13:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-07 6:54 [PATCHv2 0/4] modem_shm: U8500 SHaRed Memory driver(SHRM) Arun Murthy
2012-08-07 6:54 ` [PATCHv2 1/4] modem_shm: Add Modem Access Framework Arun Murthy
2012-08-07 18:38 ` Greg KH
2012-08-08 3:36 ` Arun MURTHY
2012-08-08 13:37 ` Greg KH [this message]
2012-08-09 9:53 ` Arun MURTHY
2012-08-09 11:38 ` Alan Cox
2012-08-13 13:33 ` Linus Walleij
2012-08-09 10:14 ` Arun MURTHY
2012-08-07 6:54 ` [PATCHv2 2/4] modem_shm: Register u8500 client for MAF Arun Murthy
2012-08-07 6:54 ` [PATCHv2 3/4] modem_shm: u8500-shm: U8500 Shared Memory Driver Arun Murthy
2012-08-07 10:01 ` Alan Cox
2012-08-08 3:03 ` Arun MURTHY
2012-08-08 10:46 ` Alan Cox
2012-08-09 10:11 ` Arun MURTHY
2012-08-07 18:39 ` Greg KH
2012-08-08 3:36 ` Arun MURTHY
2012-08-07 6:54 ` [PATCHv2 4/4] Doc: Add u8500_shrm document Arun Murthy
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