On i.MX6 ULL the RNGB has no switchable clock.

Signed-off-by: Christian Eggers <cegg...@arri.de>
---
 drivers/char/hw_random/imx-rngc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/imx-rngc.c 
b/drivers/char/hw_random/imx-rngc.c
index 9c47e431ce90..f9c5ddd0276b 100644
--- a/drivers/char/hw_random/imx-rngc.c
+++ b/drivers/char/hw_random/imx-rngc.c
@@ -245,7 +245,7 @@ static int imx_rngc_probe(struct platform_device *pdev)
        if (IS_ERR(rngc->base))
                return PTR_ERR(rngc->base);
 
-       rngc->clk = devm_clk_get(&pdev->dev, NULL);
+       rngc->clk = devm_clk_get_optional(&pdev->dev, NULL);
        if (IS_ERR(rngc->clk)) {
                dev_err(&pdev->dev, "Can not get rng_clk\n");
                return PTR_ERR(rngc->clk);
-- 
Christian Eggers
Embedded software developer

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