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| author |   Rajan Vaja <rajan.vaja@xilinx.com> | 2019-03-04 15:18:08 -0800 |
|---|---|---|
| committer |   Michal Simek <michal.simek@xilinx.com> | 2019-03-18 13:45:27 +0100 |
| commit | 3d0313786470acb414b7d5fdd2202f061acffb02 (patch) | |
| tree | 7e34a492da0da9cab34389dfa8125d2e741085ae /Documentation/xilinx | |
| parent | firmware: xilinx: fix debugfs write handler (diff) | |
| download | linux-dev-3d0313786470acb414b7d5fdd2202f061acffb02.tar.xz linux-dev-3d0313786470acb414b7d5fdd2202f061acffb02.zip | |
drivers: Defer probe if firmware is not ready
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 <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'Documentation/xilinx')
| -rw-r--r-- | Documentation/xilinx/eemi.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/xilinx/eemi.txt b/Documentation/xilinx/eemi.txt index 0ab686c173be..5f39b4ffdcd4 100644 --- a/Documentation/xilinx/eemi.txt +++ b/Documentation/xilinx/eemi.txt @@ -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); |