[PATCH 1/4] staging: vt6656: vnt_update_ifs set max_min based on short slot time.
Malcolm Priestley
tvboxspy at gmail.com
Sat Apr 29 12:03:42 UTC 2017
Short slot time is controlled by mac80211 so there is no need to find
odfm rates.
Merge PK_TYPE_11B and PK_TYPE_11GA & PK_TYPE_11GB into one else and
switch on short slot time.
Signed-off-by: Malcolm Priestley <tvboxspy at gmail.com>
---
drivers/staging/vt6656/card.c | 29 ++++++-----------------------
1 file changed, 6 insertions(+), 23 deletions(-)
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index 0e5a99375099..c61422ea8846 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -359,35 +359,18 @@ void vnt_update_ifs(struct vnt_private *priv)
priv->sifs = C_SIFS_A;
priv->difs = C_SIFS_A + 2 * C_SLOT_SHORT;
max_min = 4;
- } else if (priv->packet_type == PK_TYPE_11B) {
- priv->slot = C_SLOT_LONG;
- priv->sifs = C_SIFS_BG;
- priv->difs = C_SIFS_BG + 2 * C_SLOT_LONG;
- max_min = 5;
- } else {/* PK_TYPE_11GA & PK_TYPE_11GB */
- bool ofdm_rate = false;
- unsigned int ii = 0;
-
+ } else {
priv->sifs = C_SIFS_BG;
- if (priv->short_slot_time)
+ if (priv->short_slot_time) {
priv->slot = C_SLOT_SHORT;
- else
+ max_min = 4;
+ } else {
priv->slot = C_SLOT_LONG;
-
- priv->difs = C_SIFS_BG + 2 * priv->slot;
-
- for (ii = RATE_54M; ii >= RATE_6M; ii--) {
- if (priv->basic_rates & ((u32)(0x1 << ii))) {
- ofdm_rate = true;
- break;
- }
+ max_min = 5;
}
- if (ofdm_rate)
- max_min = 4;
- else
- max_min = 5;
+ priv->difs = C_SIFS_BG + 2 * priv->slot;
}
priv->eifs = C_EIFS;
--
2.11.0
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