diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2015-08-19 09:46:21 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-08-20 14:10:22 -0700 |
| commit | 11ab35ed0457a4b7914358986a67064ecb467e7d (patch) | |
| tree | 4a9f1194d1dc5160bd094ec6718ee0fecb4c494a /drivers/net/wireless/rt2x00/rt2x00link.c | |
| parent | ath5k: use DECLARE_EWMA (diff) | |
| download | linux-dev-11ab35ed0457a4b7914358986a67064ecb467e7d.tar.xz linux-dev-11ab35ed0457a4b7914358986a67064ecb467e7d.zip | |
rt2x00: use DECLARE_EWMA
Instead of using the out-of-line EWMA calculation, use DECLARE_EWMA()
to create static inlines. On x86/64 this results in code that's one
byte larger (for me), but reduces struct link_ant and struct link
size by the two unsigned long values that store the parameters each.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00link.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c index 9b941c0c1264..017188e5a736 100644 --- a/drivers/net/wireless/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/rt2x00/rt2x00link.c @@ -33,15 +33,11 @@ */ #define DEFAULT_RSSI -128 -/* Constants for EWMA calculations. */ -#define RT2X00_EWMA_FACTOR 1024 -#define RT2X00_EWMA_WEIGHT 8 - -static inline int rt2x00link_get_avg_rssi(struct ewma *ewma) +static inline int rt2x00link_get_avg_rssi(struct ewma_rssi *ewma) { unsigned long avg; - avg = ewma_read(ewma); + avg = ewma_rssi_read(ewma); if (avg) return -avg; @@ -76,8 +72,7 @@ static void rt2x00link_antenna_update_rssi_history(struct rt2x00_dev *rt2x00dev, static void rt2x00link_antenna_reset(struct rt2x00_dev *rt2x00dev) { - ewma_init(&rt2x00dev->link.ant.rssi_ant, RT2X00_EWMA_FACTOR, - RT2X00_EWMA_WEIGHT); + ewma_rssi_init(&rt2x00dev->link.ant.rssi_ant); } static void rt2x00lib_antenna_diversity_sample(struct rt2x00_dev *rt2x00dev) @@ -225,12 +220,12 @@ void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev, /* * Update global RSSI */ - ewma_add(&link->avg_rssi, -rxdesc->rssi); + ewma_rssi_add(&link->avg_rssi, -rxdesc->rssi); /* * Update antenna RSSI */ - ewma_add(&ant->rssi_ant, -rxdesc->rssi); + ewma_rssi_add(&ant->rssi_ant, -rxdesc->rssi); } void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev) @@ -285,8 +280,7 @@ void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna) */ rt2x00dev->link.count = 0; memset(qual, 0, sizeof(*qual)); - ewma_init(&rt2x00dev->link.avg_rssi, RT2X00_EWMA_FACTOR, - RT2X00_EWMA_WEIGHT); + ewma_rssi_init(&rt2x00dev->link.avg_rssi); /* * Restore the VGC level as stored in the registers, |