The hwrng core used to mask 'quality' with 1023; that has been removed
in 506bf0c0464ace57169aadcf02ae397999c57bdd, so we can now just set
quality to 1024.
Signed-off-by: Julien Cristau <jcristau@xxxxxxxxxx>
---
drivers/usb/misc/chaoskey.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
index 6ddd08a..aa350dc 100644
--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -215,19 +215,7 @@ static int chaoskey_probe(struct usb_interface *interface,
dev->hwrng.name = dev->name ? dev->name : chaoskey_driver.name;
dev->hwrng.read = chaoskey_rng_read;
-
- /* Set the 'quality' metric. Quality is measured in units of
- * 1/1024's of a bit ("mills"). This should be set to 1024,
- * but there is a bug in the hwrng core which masks it with
- * 1023.
- *
- * The patch that has been merged to the crypto development
- * tree for that bug limits the value to 1024 at most, so by
- * setting this to 1024 + 1023, we get 1023 before the fix is
- * merged and 1024 afterwards. We'll patch this driver once
- * both bits of code are in the same tree.
- */
- dev->hwrng.quality = 1024 + 1023;
+ dev->hwrng.quality = 1024;
dev->hwrng_registered = (hwrng_register(&dev->hwrng) == 0);
if (!dev->hwrng_registered)
--
2.9.3
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