linux-kernel - Re: [PATCH 1/8] mwifiex: only call mwifiex_sdio_probe

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Message-ID: <CAGRGNgWHGR_KJW1SExte-YSG1ynxy-GrtKjO-GRKEadUx4HpWA@mail.gmail.com>
Date:	Wed, 1 Jun 2016 14:14:25 +1000
From:	Julian Calaby <julian.calaby@...il.com>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Xinming Hu <huxm@...vell.com>,
	Amitkumar Karwar <akarwar@...vell.com>,
	Kalle Valo <kvalo@...eaurora.org>,
	netdev <netdev@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Nishant Sarmukadam <nishants@...vell.com>
Subject: Re: [PATCH 1/8] mwifiex: only call mwifiex_sdio_probe_of() if dev has
 an OF node

Hi All,

On Sat, May 28, 2016 at 12:18 AM, Javier Martinez Canillas
<javier@....samsung.com> wrote:
> SDIO is an auto enumerable bus so the SDIO devices are matched using the
> sdio_device_id table and not using compatible strings from a OF id table.
>
> However, commit ce4f6f0c353b ("mwifiex: add platform specific wakeup
> interrupt support") allowed to match nodes defined as child of the SDIO
> host controller in the probe function using a compatible string to setup
> platform specific parameters in the DT.
>
> The problem is that the OF parse function is always called regardless if
> the SDIO dev has an OF node associated or not, and prints an error if it
> is not found. So, on a platform that doesn't have a node for a SDIO dev,
> the following misleading error message will be printed:
>
> [  12.480042] mwifiex_sdio mmc2:0001:1: sdio platform data not available
>
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

This looks sensible to me.

Reviewed-by: Julian Calaby <julian.calaby@...il.com>

>  drivers/net/wireless/marvell/mwifiex/sdio.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Thanks,

-- 
Julian Calaby

Email: julian.calaby@...il.com
Profile: http://www.google.com/profiles/julian.calaby/