[U-Boot] [PATCH v2 3/5] spi: ti_qspi: Add delay for successful bulk erase.

[Tom Rini <trini@ti.com>]

On Thu, Apr 03, 2014 at 08:45:42PM +0530, Jagan Teki wrote:
> On Thu, Apr 3, 2014 at 5:22 PM, Tom Rini <trini@ti.com> wrote:
> > From: "Poddar, Sourav" <sourav.poddar@ti.com>
> >
> > Bulk erase is not happening properly on dra7 due to erase timing constraints,
> > add a delay so that erase timing constraints are properly met.
> >
> > Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
> > Tested-by: Yebio Mesfin <ymesfin@ti.com>
> > ---
> >  drivers/spi/ti_qspi.c |    3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
> > index dfa5d0c..c5d2245 100644
> > --- a/drivers/spi/ti_qspi.c
> > +++ b/drivers/spi/ti_qspi.c
> > @@ -314,6 +314,9 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
> >                         qslave->cmd |= QSPI_RD_SNGL;
> >                         debug("rx cmd %08x dc %08x\n",
> >                               qslave->cmd, qslave->dc);
> > +                       #ifdef CONFIG_DRA7XX
> > +                               udelay(500);
> > +                       #endif
> >                         writel(qslave->cmd, &qslave->base->cmd);
> >                         status = readl(&qslave->base->status);
> >                         timeout = QSPI_TIMEOUT;
> 
> Can't we fix this? discussed the same in previous version thread as well.

Sorry, I kicked out v2 before checking my mbox again.  Sourav, do you
have some time to look at this again?

-- 
Tom
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