diff options
| author | Miaoqing Pan <miaoqing@codeaurora.org> | 2016-08-09 15:02:26 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-10-13 17:22:44 +0300 |
| commit | e463139a726276cd2995ed21c809504d6470f061 (patch) | |
| tree | d623c6e28ab03759181614f8136dcfee98004e5d /drivers/net/wireless/ath/ath9k/rng.c | |
| parent | ebaa4b1620bf69f2bc43cb45ea85fbafdaec23c3 (diff) | |
| download | blackbird-op-linux-e463139a726276cd2995ed21c809504d6470f061.tar.gz blackbird-op-linux-e463139a726276cd2995ed21c809504d6470f061.zip | |
ath9k: change entropy formula for easier understanding
The quality of ADC entropy is 10 bits of min-entropy for
a 32-bit value, change '(((x) * 8 * 320) >> 10)' to
'(((x) * 8 * 10) >> 5)' for easier understanding.
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/rng.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/rng.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rng.c b/drivers/net/wireless/ath/ath9k/rng.c index d38e50f96db7..568b1c6c2b2b 100644 --- a/drivers/net/wireless/ath/ath9k/rng.c +++ b/drivers/net/wireless/ath/ath9k/rng.c @@ -22,7 +22,7 @@ #include "ar9003_phy.h" #define ATH9K_RNG_BUF_SIZE 320 -#define ATH9K_RNG_ENTROPY(x) (((x) * 8 * 320) >> 10) /* quality: 320/1024 */ +#define ATH9K_RNG_ENTROPY(x) (((x) * 8 * 10) >> 5) /* quality: 10/32 */ static int ath9k_rng_data_read(struct ath_softc *sc, u32 *buf, u32 buf_size) { |
