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authorSuresh Gupta <suresh.gupta@nxp.com>2017-08-30 20:06:33 +0530
committerJagan Teki <jagan@amarulasolutions.com>2017-09-25 12:49:56 +0530
commit1c631da459a82f4f82a063f5b4ff339ca5384d11 (patch)
tree024549b066804b69daccbace8bd733abc1cc78b5 /env/sf.c
parent994266bdff7903279b8e43ddbf220b04a4e1411f (diff)
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>
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