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drivers: Defer probe if firmware is not ready

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Driver needs ZynqMP firmware interface to call EEMI
APIs. In case firmware is not ready, dependent drivers
should wait until the firmware is ready.

Signed-off-by: Rajan Vaja <[email protected]>
Signed-off-by: Jolly Shah <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
This commit is contained in:
Rajan Vaja 2019-03-04 15:18:08 -08:00 • committed by Michal Simek
commit 3d03137864
10 changed files with 47 additions and 28 deletions
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4
Documentation/xilinx/eemi.txt
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@ -41,8 +41,8 @@ Example of EEMI ops usage:
int ret;
eemi_ops = zynqmp_pm_get_eemi_ops();
if (!eemi_ops)
return -ENXIO;
if (IS_ERR(eemi_ops))
return PTR_ERR(eemi_ops);
ret = eemi_ops->query_data(qdata, ret_payload);