[PATCH 3/3] hwrng: imx-rngc - setup default RNG quality

Christian Eggers ceggers at arri.de
Mon Jul 27 06:57:16 EDT 2020


When hw_random device's quality is non-zero, it will automatically fill
the kernel's entropy pool at boot.  For this purpose, one conservative
quality value is being picked up as the default value.

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

diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c
index f9c5ddd0276b..a62ff78bd7ea 100644
--- a/drivers/char/hw_random/imx-rngc.c
+++ b/drivers/char/hw_random/imx-rngc.c
@@ -285,6 +285,7 @@ static int imx_rngc_probe(struct platform_device *pdev)
 	rngc->rng.init = imx_rngc_init;
 	rngc->rng.read = imx_rngc_read;
 	rngc->rng.cleanup = imx_rngc_cleanup;
+	rngc->rng.quality = 900;
 
 	rngc->dev = &pdev->dev;
 	platform_set_drvdata(pdev, rngc);
-- 
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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