linux-kernel - Re: [PATCH v2 2/4] soc: ti: add firmware file name as part of the driver

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Date:	Tue, 13 Oct 2015 16:32:43 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Murali Karicheri <m-karicheri2@...com>
Cc:	corbet@....net, ssantosh@...nel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux@....linux.org.uk, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/4] soc: ti: add firmware file name as part of the driver

On Monday 12 October 2015 15:46:49 Murali Karicheri wrote:
> Currently firmware file name is included in the DTS. This is not scalable
> as user has to change the DTS if they need upgrade to a new firmware.
> Instead, add the firmware file name in the driver itself. As long as there
> is no API change, new firmware upgrade is easy and require no driver
> change. User is expected to copy the firmware image to the file system
> and add a sym link to the new firmware for doing an upgrade. Driver add
> a array of firmware file names to search for the available firmware blobs.
> This scheme also prepare the driver for future changes to API if ever
> happens. In such case it is assumed that driver needs to change to
> accommodate the new firmware and new firmware file name will get added to
> the array.
> 
> Also update the DT document to remove the firmware attribute and add
> description about firmware in the driver documentation.
> 
> Signed-off-by: Murali Karicheri <m-karicheri2@...com>
> 

Acked-by: Arnd Bergmann <arnd@...db.de>

Looks good.
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