[U-Boot] [PATCH v2 1/3] spi: ti_qspi: Fix failure on multiple READ_ID cmd

Jagan Teki jagannadh.teki at gmail.com
Fri Jul 22 10:21:15 CEST 2016


On 22 July 2016 at 10:55, Vignesh R <vigneshr at ti.com> wrote:
> Populating QSPI_RD_SNGL bit(0x1) in priv->cmd means that value
> QSPI_INVAL (0x4) is not written to CMD field of QSPI_SPI_CMD_REG in
> ti_qspi_cs_deactivate(). Therefore CS is never deactivated between
> successive READ ID which results in sf probe to fail.
> Fix this by not populating priv->cmd with QSPI_RD_SNGL and OR it wih
> priv->cmd as required (similar to the convention followed in the
> driver).
>
> Signed-off-by: Vignesh R <vigneshr at ti.com>

Reviewed-by: Jagan Teki <jteki at openedev.com>

--
Jagan.


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