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

[Jagan Teki]

Hi Sourav,

On Wednesday 02 April 2014 04:06 PM, Sourav Poddar wrote:
> 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 at ti.com>
> Tested-by: Yebio Mesfin <ymesfin at 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

I myself not conveyed these delays on spi_xfer() (looks odd to me), we
already have AM43XX delay on code, can't it be possible to manage
through status poll?

thanks!
--
Jagan.


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