linux-kernel - RE: [PATCH 3/3] usb: dwc3: omap Modify dwc3_omap

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Date:	Wed, 29 May 2013 06:54:04 +0000
From:	"Cherian, George" <george.cherian@...com>
To:	"Balbi, Felipe" <balbi@...com>
CC:	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: RE: [PATCH 3/3] usb: dwc3: omap Modify dwc3_omap_readl/writel with
 offsets



> -----Original Message-----
> From: Balbi, Felipe
> Sent: Tuesday, May 28, 2013 11:02 PM
> To: Cherian, George
> Cc: Balbi, Felipe; linux-usb@...r.kernel.org; linux-omap@...r.kernel.org;
> linux-kernel@...r.kernel.org; gregkh@...uxfoundation.org
> Subject: Re: [PATCH 3/3] usb: dwc3: omap Modify dwc3_omap_readl/writel
> with offsets
> 
> Hi,
> 
> On Mon, May 27, 2013 at 01:32:57PM +0530, George Cherian wrote:
> > This patch modifies dwc3_omap_readl/writel calls to accomodate
> > both OMAP5 and AM437x reg maps (It uses the cached register offsets).
> > Also renames OMAP5 IRQ1 as IRQMISC, IRQ1 bits as IRQMISC bits.
> >
> > Signed-off-by: George Cherian <george.cherian@...com>
> 
> can you change this patch a bit so that it adds wrappers around
> dwc3_omap_*() ? The idea is the have the code look like:
> 
> static u32 dwc3_omap_read_utmi_status(struct dwc3_omap *omap)
> {
> 	return dwc3_omap_readl(omap->base,
> USBOTGSS_UTMI_OTG_STATUS +
> 			omap->utmi_otg_offset);
> }
> 
> (likewise for write and for all other offsets, of course)
> 
> that way, reading/writing to registers which need the offset will be
> less error-prone and th driver will look a little nicer.

Yes , I will do it in next version.
> 
> --
> Balbi
-George
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