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[1/2] hwrng: iproc-rng200 - Set the quality value

Message ID 20200514190734.32746-2-l.stelmach@samsung.com
State New
Headers show
Series [1/2] hwrng: iproc-rng200 - Set the quality value | expand

Commit Message

Lukasz Stelmach May 14, 2020, 7:07 p.m. UTC 
The value has been estimaded by obtainig 1024 chunks of data 128 bytes
(1024 bits) each from the generator and finding chunk with minimal
entropy using the ent(1) tool. The value was 6.327820 bits of entropy
in each 8 bits of data.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
---
 drivers/char/hw_random/iproc-rng200.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
index 32d9fe61a225..7eb02a23f744 100644
--- a/drivers/char/hw_random/iproc-rng200.c
+++ b/drivers/char/hw_random/iproc-rng200.c
@@ -199,6 +199,7 @@  static int iproc_rng200_probe(struct platform_device *pdev)
 	priv->rng.read = iproc_rng200_read,
 	priv->rng.init = iproc_rng200_init,
 	priv->rng.cleanup = iproc_rng200_cleanup,
+	priv->rng.quality = 800,
 
 	/* Register driver */
 	ret = devm_hwrng_register(dev, &priv->rng);