Re: [U-Boot] [PATCH v4] spi: fsl_qspi: Add controller busy check before new spi operation

On Wed, Aug 30, 2017 at 8:06 PM, Suresh Gupta suresh.gupta@nxp.com wrote:

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

thanks!