linux-kernel - Re: [PATCH v3] USB: PHY: Palmas USB Transceiver Driver

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Message-ID: <20130326101947.GC11244@arwen.pp.htv.fi>
Date:	Tue, 26 Mar 2013 12:19:47 +0200
From:	Felipe Balbi <balbi@...com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	Laxman Dewangan <ldewangan@...dia.com>,
	"balbi@...com" <balbi@...com>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
	Rajendra Nayak <rnayak@...com>,
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	<broonie@...nsource.wolfsonmicro.com>,
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	<devicetree-discuss@...ts.ozlabs.org>,
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	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v3] USB: PHY: Palmas USB Transceiver Driver

Hi,

On Tue, Mar 26, 2013 at 11:33:44AM +0530, Kishon Vijay Abraham I wrote:
> >>+static int palmas_usb_write(struct palmas *palmas, unsigned int reg,
> >>+               unsigned int data)
> >>+{
> >>+       unsigned int addr;
> >>+       int slave;
> >>+
> >>+       slave = PALMAS_BASE_TO_SLAVE(PALMAS_USB_OTG_BASE);
> >>+       addr = PALMAS_BASE_TO_REG(PALMAS_USB_OTG_BASE, reg);
> >>+
> >>+       return regmap_write(palmas->regmap[slave], addr, data);
> >
> >Same as above.
> >
> >
> >
> >>+
> >>+       if (status != OMAP_DWC3_UNKNOWN) {
> >>+               palmas_usb->linkstat = status;
> >>+               palmas_usb->mailboxstat = dwc3_omap_mailbox(status);
> >Omap specific call, why? This is generic palma driver.
> 
> hmm.. I think we should either fall-back to the notification
> mechanism or have the client drivers pass function pointer here.
> Felipe?

hmmm, if palmas is being used outside of OMAP world, then I guess extcon
is the way to go... too bad

-- 
balbi

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