linux-kernel - Re: [PATCH 4/7] usb: musb: omap2430: Don't use omap_get_control

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Date:	Tue, 6 Aug 2013 17:21:52 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Roger Quadros <rogerq@...com>
CC:	<balbi@...com>, <tony@...mide.com>, <george.cherian@...com>,
	<dmurphy@...com>, <linux-usb@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/7] usb: musb: omap2430: Don't use omap_get_control_dev()

Hi,

On Thursday 01 August 2013 07:35 PM, Roger Quadros wrote:
> omap_get_control_dev() is being deprecated as it doesn't support
> multiple instances. As control device is present only from OMAP4
> onwards which supports DT only, we use phandles to get the
> reference to the control device.
>
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>   drivers/usb/musb/omap2430.c |   22 ++++++++++++++++++----
>   1 files changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> index ebb46ec..1db9588 100644
> --- a/drivers/usb/musb/omap2430.c
> +++ b/drivers/usb/musb/omap2430.c
> @@ -38,6 +38,7 @@
>   #include <linux/delay.h>
>   #include <linux/usb/musb-omap.h>
>   #include <linux/usb/omap_control_usb.h>
> +#include <linux/of_platform.h>
>
>   #include "musb_core.h"
>   #include "omap2430.h"
> @@ -547,12 +548,25 @@ static int omap2430_probe(struct platform_device *pdev)
>   	}
>
>   	if (pdata->has_mailbox) {

I think you can remove this this check all together. Mailbox is present 
only from OMAP4 so it can be dt only.

Thanks
Kishon
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