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staging: brcm80211: removed unused softmac transmit power variables

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Struct member variables were only set to '0'. As a result, function
brcms_c_local_constraint_qdbm() always returned BRCMS_TXPWR_MAX and
thus could be removed.

Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roland Vossen 2011-09-12 12:15:01 +02:00 committed by Greg Kroah-Hartman
parent 4ea50d584a
commit 91591c0fc8
2 changed files with 2 additions and 39 deletions
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34
drivers/staging/brcm80211/brcmsmac/main.c
View File

@ -3275,44 +3275,14 @@ static brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec,
brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
}
static u8 brcms_c_local_constraint_qdbm(struct brcms_c_info *wlc)
{
u8 local;
s16 local_max;
local = BRCMS_TXPWR_MAX;
if (wlc->pub->associated &&
(brcmu_chspec_ctlchan(wlc->chanspec) ==
brcmu_chspec_ctlchan(wlc->home_chanspec))) {
/* get the local power constraint if we are on the AP's
* channel [802.11h, 7.3.2.13]
*/
/* Clamp the value between 0 and BRCMS_TXPWR_MAX w/o
* overflowing the target */
local_max =
(wlc->txpwr_local_max -
wlc->txpwr_local_constraint) * BRCMS_TXPWR_DB_FACTOR;
if (local_max > 0 && local_max < BRCMS_TXPWR_MAX)
return (u8) local_max;
if (local_max < 0)
return 0;
}
return local;
}
static void brcms_c_set_phy_chanspec(struct brcms_c_info *wlc,
u16 chanspec)
{
/* Save our copy of the chanspec */
wlc->chanspec = chanspec;
/* Set the chanspec and power limits for this locale after computing
* any 11h local tx power constraints.
*/
brcms_c_channel_set_chanspec(wlc->cmi, chanspec,
brcms_c_local_constraint_qdbm(wlc));
/* Set the chanspec and power limits for this locale */
brcms_c_channel_set_chanspec(wlc->cmi, chanspec, BRCMS_TXPWR_MAX);
if (wlc->stf->ss_algosel_auto)
brcms_c_stf_ss_algo_channel_get(wlc, &wlc->stf->ss_algo_channel,

7
drivers/staging/brcm80211/brcmsmac/main.h
View File

@ -467,8 +467,6 @@ struct brcms_txq_info {
* war16165: PCI slow clock 16165 war flag.
* txpend16165war: PCI slow clock 16165 war flag.
* qvalid: DirFrmQValid and BcMcFrmQValid.
* txpwr_local_max: regulatory local txpwr max.
* txpwr_local_constraint: local power contraint in dB.
* ampdu: ampdu module handler.
* asi: antsel module handler.
* cmi: channel manager module handler.
@ -574,11 +572,6 @@ struct brcms_c_info {
/* packet queue */
uint qvalid;
/* Regulatory power limits */
s8 txpwr_local_max;
u8 txpwr_local_constraint;
struct ampdu_info *ampdu;
struct antsel_info *asi;
struct brcms_cm_info *cmi;