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Message-ID: <BLUPR03MB134C01F17B8F52849C4CFD783E10@BLUPR03MB134.namprd03.prod.outlook.com>
Date: Fri, 18 Dec 2015 09:12:13 +0000
From: Yao Yuan <yao.yuan@...escale.com>
To: "dwmw2@...radead.org" <dwmw2@...radead.org>,
"computersforpeace@...il.com" <computersforpeace@...il.com>
CC: Xu Han <han.xu@...escale.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>
Subject: RE: [PATCH v2] mtd: spi-nor: fsl-quadspi: add big-endian support
Hi Woodhouse, Norris,
Do you have any comments for this patch?
Thanks for your review.
Best Regards,
Yuan Yao
> -----Original Message-----
> From: Han Xu [mailto:han.xu@...escale.com]
> Sent: Thursday, November 26, 2015 3:09 AM
> To: Yuan Yao-B46683 <yao.yuan@...escale.com>
> Cc: dwmw2@...radead.org; computersforpeace@...il.com; linux-
> kernel@...r.kernel.org; linux-mtd@...ts.infradead.org
> Subject: Re: [PATCH v2] mtd: spi-nor: fsl-quadspi: add big-endian support
On Thu, Nov 26, 2015 at
> On Wed, Nov 18, 2015 at 05:13:28PM +0800, Yuan Yao wrote:
> > Add R/W functions for big- or little-endian registers:
> > The qSPI controller's endian is independent of the CPU core's endian.
> > So far, the qSPI have two versions for big-endian and little-endian.
> >
> > Signed-off-by: Yuan Yao <yao.yuan@...escale.com>
> > ---
> > Changed in v2:
> > Rebase to the lastest code.
> > ---
> > drivers/mtd/spi-nor/fsl-quadspi.c | 157
> > +++++++++++++++++++++++---------------
> > 1 file changed, 97 insertions(+), 60 deletions(-)
> >
> > diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c
> > b/drivers/mtd/spi-nor/fsl-quadspi.c
> > index 9e7f657..0ce7768 100644
...
> > @@ -954,6 +990,7 @@ static int fsl_qspi_probe(struct platform_device
> *pdev)
> > if (IS_ERR(q->iobase))
> > return PTR_ERR(q->iobase);
> >
> > + q->big_endian = of_property_read_bool(np, "big-endian");
>
> I am fine with this patch, but need document the new property with another
> patch
>
> > res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
> > "QuadSPI-memory");
> > if (!devm_request_mem_region(dev, res->start, resource_size(res),
> @@
...
> >
>
> Acked-by: Han xu <han.xu@...escale.com>
> --
Best Regards,
Yuan Yao
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