diff mbox series

[2/3] hwrng: imx-rngc - make clock optional

Message ID 20200727105718.26225-3-ceggers@arri.de (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series [1/3] ARM: dts: imx6ull: Add rngb node | expand

Commit Message

Christian Eggers July 27, 2020, 10:57 a.m. UTC 
On i.MX6 ULL the RNGB has no switchable clock.

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

Patch

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);