linux-kernel - Re: [PATCH v5 01/18] remoteproc: make rsc table support optional

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Message-ID: <20160607195617.GI1256@tuxbot>
Date:	Tue, 7 Jun 2016 12:56:17 -0700
From:	Bjorn Andersson <bjorn.andersson@...aro.org>
To:	Peter Griffin <peter.griffin@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...inux.com, maxime.coquelin@...com, patrice.chotard@...com,
	srinivas.kandagatla@...il.com, vinod.koul@...el.com,
	arnaud.pouliquen@...com, arnd@...db.de, lee.jones@...aro.org,
	dmaengine@...r.kernel.org, linux-remoteproc@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v5 01/18] remoteproc: make rsc table support optional

On Tue 07 Jun 09:18 PDT 2016, Peter Griffin wrote:

> Some firmware and rproc drivers such as slim core don't have a
> resource table. To avoid having to fudge an empty table
> in the rproc driver this patch introduces a new has_rsctable
> flag. rproc drivers which don't require a rsc table can set
> this flag to false, and it avoids doing the initial async
> firmware load in rproc_add_virtio_devices() to parse the
> rsc table during rproc_add(), and also optimises rproc_fw_boot()
> code path to avoid unnecessary rsc table processing of an
> empty table.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>

Hi Peter,

Thanks for the patch. I do however dislike the amount of conditionals
already in these code paths, so I'm not in favour of adding more.

Please revert back to providing a dummy table from your driver and let's
handle this topic separate of this series.

Regards,
Bjorn