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brcm80211: smac: fixed inconsistency in transmit mute 

Transmit was muted in two ways: full mute and a partial mute called
'pre ism cac time' mute. But, this 'pre ism cac time' mute was done at
one place in the code (when tx_mute == false), and overridden later
on in another place in code.

To fix this, the 'pre ism cac time' mute has been replaced by a non
mute.

Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Roland Vossen 2011-10-21 16:16:26 +02:00 committed by John W. Linville
parent a8bc4917ed
commit c6c44893c8
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/wireless/brcm80211/brcmsmac/main.c
View File

@ -2453,11 +2453,11 @@ static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw,
}
/* precondition: requires the mac core to be enabled */
static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool on, u32 flags)
static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
{
static const u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
if (on) {
if (mute_tx) {
/* suspend tx fifos */
brcms_b_tx_fifo_suspend(wlc_hw, TX_DATA_FIFO);
brcms_b_tx_fifo_suspend(wlc_hw, TX_CTL_FIFO);
@ -2479,9 +2479,9 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool on, u32 flags)
wlc_hw->etheraddr);
}
wlc_phy_mute_upd(wlc_hw->band->pi, on, flags);
wlc_phy_mute_upd(wlc_hw->band->pi, mute_tx, 0);
if (on)
if (mute_tx)
brcms_c_ucode_mute_override_set(wlc_hw);
else
brcms_c_ucode_mute_override_clear(wlc_hw);
@ -3892,7 +3892,7 @@ static void brcms_c_set_home_chanspec(struct brcms_c_info *wlc, u16 chanspec)
void
brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
bool mute, struct txpwr_limits *txpwr)
bool mute_tx, struct txpwr_limits *txpwr)
{
uint bandunit;
@ -3918,7 +3918,7 @@ brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
}
}
wlc_phy_initcal_enable(wlc_hw->band->pi, !mute);
wlc_phy_initcal_enable(wlc_hw->band->pi, !mute_tx);
if (!wlc_hw->up) {
if (wlc_hw->clk)
@ -3930,7 +3930,7 @@ brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr, chanspec);
/* Update muting of the channel */
brcms_b_mute(wlc_hw, mute, 0);
brcms_b_mute(wlc_hw, mute_tx);
}
}
@ -8341,7 +8341,7 @@ void brcms_c_init(struct brcms_c_info *wlc)
/* suspend the tx fifos and mute the phy for preism cac time */
if (mute_tx)
brcms_b_mute(wlc->hw, ON, PHY_MUTE_FOR_PREISM);
brcms_b_mute(wlc->hw, true);
/* clear tx flow control */
brcms_c_txflowcontrol_reset(wlc);