clk: clk-fixed-factor: Return EPROBE_DEFER to wait for dependent drivers

Commit Message

Shubhrajyoti Datta March 25, 2019, 4:59 a.m. UTC

From: Shubhrajyoti Datta <[e-mail]>

In case the provider clock is not yet proved the fixed factor does not
find the name of the input clock and it returns ENOMEM.
Let's return DEFER in such cases.

Fixes a boot failure on zynqmp.

Signed-off-by: Shubhrajyoti Datta <[e-mail]>
---
The other option is to provide the name is the output-clocks

 drivers/clk/clk-fixed-factor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 241b3f8..a3ea6b8 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -221,7 +221,7 @@  static int of_fixed_factor_clk_probe(struct platform_device *pdev)
 	 */
 	clk = _of_fixed_factor_clk_setup(pdev->dev.of_node);
 	if (IS_ERR(clk))
-		return PTR_ERR(clk);
+		return -EPROBE_DEFER;
 
 	platform_set_drvdata(pdev, clk);