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Re: [PATCH] hw/block: m25p80: Fix fast read for SST flashes


From: Alistair Francis
Subject: Re: [PATCH] hw/block: m25p80: Fix fast read for SST flashes
Date: Wed, 2 Dec 2020 15:14:58 -0800

On Wed, Dec 2, 2020 at 3:09 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> Hi Alistair,
>
> On Thu, Dec 3, 2020 at 3:52 AM Alistair Francis <alistair23@gmail.com> wrote:
> >
> > On Sun, Nov 29, 2020 at 6:55 PM Bin Meng <bmeng.cn@gmail.com> wrote:
> > >
> > > From: Bin Meng <bin.meng@windriver.com>
> > >
> > > SST flashes require a dummy byte after the address bits.
> > >
> > > Signed-off-by: Bin Meng <bin.meng@windriver.com>
> >
> > I couldn't find a datasheet that says this... But the actual code
> > change looks fine, so:
> >
>
> Please find the SST25VF016B datasheet at
> http://ww1.microchip.com/downloads/en/devicedoc/s71271_04.pdf. The
> fast read sequence is on page 11.

Ah cool. I thought it would be somewhere, I just couldn't find it.

Alistair

>
> > Acked-by: Alistair Francis <alistair.francis@wdc.com>
> >
>
> Thanks!
>
> Regards,
> Bin



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