Suresh Gupta 1c631da459 spi: fsl_qspi: Add controller busy check before new spi operation ...

It is recommended to check either controller is free to take
new spi action. The IP_ACC and AHB_ACC bits indicates that
the controller is busy in IP or AHB mode respectively.
And the BUSY bit indicates that controller is currently
busy handling a transaction to an external flash device

Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

2017-09-25 12:49:56 +05:30

3.7 KiB

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