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authorRajan Vaja <rajan.vaja@xilinx.com>2019-03-05 02:18:08 +0300
committerMichal Simek <michal.simek@xilinx.com>2019-03-18 15:45:27 +0300
commit3d0313786470acb414b7d5fdd2202f061acffb02 (patch)
tree7e34a492da0da9cab34389dfa8125d2e741085ae /drivers/clk/zynqmp
parentb9472f7d8224460499dd7128ec944735ed5345a0 (diff)
downloadlinux-3d0313786470acb414b7d5fdd2202f061acffb02.tar.xz
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 'drivers/clk/zynqmp')
-rw-r--r--drivers/clk/zynqmp/clkc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index b0908ec62f73..2b1d43457f09 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -695,8 +695,8 @@ static int zynqmp_clock_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
eemi_ops = zynqmp_pm_get_eemi_ops();
- if (!eemi_ops)
- return -ENXIO;
+ if (IS_ERR(eemi_ops))
+ return PTR_ERR(eemi_ops);
ret = zynqmp_clk_setup(dev->of_node);