Hi Boris,

> -----Original Message-----
> From: Yogesh Narayan Gaur
> Sent: Thursday, October 4, 2018 2:56 PM
> To: 'Boris Brezillon' <boris.brezil...@bootlin.com>
> Cc: linux-...@lists.infradead.org; marek.va...@gmail.com; vigne...@ti.com;
> linux-...@vger.kernel.org; devicet...@vger.kernel.org; r...@kernel.org;
> mark.rutl...@arm.com; shawn...@kernel.org; linux-arm-
> ker...@lists.infradead.org; computersforpe...@gmail.com;
> frieder.schre...@exceet.de; linux-kernel@vger.kernel.org
> Subject: RE: [PATCH 1/4] spi: add support for octal I/O data transfer
> 
> Hi Boris,
> 
> > -----Original Message-----
> > From: Boris Brezillon [mailto:boris.brezil...@bootlin.com]
> > Sent: Thursday, October 4, 2018 2:50 PM
> > To: Yogesh Narayan Gaur <yogeshnarayan.g...@nxp.com>
> > Cc: linux-...@lists.infradead.org; marek.va...@gmail.com;
> > vigne...@ti.com; linux-...@vger.kernel.org;
> > devicet...@vger.kernel.org; r...@kernel.org; mark.rutl...@arm.com;
> > shawn...@kernel.org; linux-arm- ker...@lists.infradead.org;
> > computersforpe...@gmail.com; frieder.schre...@exceet.de;
> > linux-kernel@vger.kernel.org
> > Subject: Re: [PATCH 1/4] spi: add support for octal I/O data transfer
> >
> > On Thu, 4 Oct 2018 09:14:36 +0000
> > Yogesh Narayan Gaur <yogeshnarayan.g...@nxp.com> wrote:
> >
> > > Hi Boris,
> > >
> > > > -----Original Message-----
> > > > From: Boris Brezillon [mailto:boris.brezil...@bootlin.com]
> > > > Sent: Thursday, October 4, 2018 2:35 PM
> > > > To: Yogesh Narayan Gaur <yogeshnarayan.g...@nxp.com>
> > > > Cc: linux-...@lists.infradead.org; marek.va...@gmail.com;
> > > > vigne...@ti.com; linux-...@vger.kernel.org;
> > > > devicet...@vger.kernel.org; r...@kernel.org; mark.rutl...@arm.com;
> > > > shawn...@kernel.org; linux-arm- ker...@lists.infradead.org;
> > > > computersforpe...@gmail.com; frieder.schre...@exceet.de;
> > > > linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/4] spi: add
> > > > support for octal I/O data transfer
> > > >
> > > > Hi Yogesh,
> > > >
[...]
> > > > > +#define      SPI_RX_OCTAL
> > > > > 0x2000                        /* receive with 8 wires
> > > > */
> > > > >       int                     irq;
> > > > >       void                    *controller_state;
> > > > >       void                    *controller_data;
> > > >
> > > > You're still not updating spi-mem.c to check those flags and
> > > > SPI_MEM_MAX_BUSWIDTH is not updated to match the new limit (8
> > > > instead of 4).
> > > >
> > > Yes and its strange that my octal mode communication is working fine
> > > without adding support in spi-mem.c and that's why this has been
> > > missed from me.
> >
> > Are you based on top of spi-next?
> 
> Ok, that might be the reason. I have rebased few days back.
> Would rebase with current tip and add support in spi-mem interface too.

I have rebased spi-next and currently on top but still my octal command support 
is working fine without any issue with current shared patch series, performed 
data sanity.

=>  git log  --pretty=oneline -3
        496c415717b8bb7d37181127fcfad0ba450eb10d mtd: spi-nor: fsl-quadspi: 
Don't let -EINVAL on the bus
        2336d3a7b125683c9e8b25d6efa6064310d19dbe mtd: devices: m25p80: Make 
sure WRITE_EN is issued before each write
        e55841874471282d32eec595997afce43a5f55c0 mtd: spi-nor: Support 
controllers with limited TX FIFO size

GIT Repo -      git://git.infradead.org/linux-mtd.git
Branch -        remotes/origin/spi-nor/next

Also, I am not able to find string SPI_MEM_MAX_BUSWIDTH in current source code, 
can you share the GIT details where these changes are pushed.
--
Regards
Yogesh Gaur.

Reply via email to