[PATCH 2/3] hwrng: imx-rngc - make clock optional
Christian Eggers
ceggers at arri.de
Mon Jul 27 06:57:15 EDT 2020
On i.MX6 ULL the RNGB has no switchable clock.
Signed-off-by: Christian Eggers <ceggers at 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
Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRA 57918
Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH
Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRB 54477
Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; Markus Zeiler
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