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staging: brcm80211: removed unneeded call to brcms_b_tx_fifo_suspended 

- removed call to brcms_b_tx_fifo_suspended on receipt of TX FIFO suspend/flush
  completion signal.
- removed brcms_b_tx_fifo_suspended function as it is not being used elsewhere.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alwin Beukers 2011-10-04 23:19:06 +02:00 committed by Greg Kroah-Hartman
parent eda075b546
commit d75c7be5e8
1 changed files with 0 additions and 34 deletions
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34
drivers/staging/brcm80211/brcmsmac/main.c
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@ -1075,36 +1075,6 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
return morepending;
}
/* brcms_b_tx_fifo_suspended:
* Check the MAC's tx suspend status for a tx fifo.
*
* When the MAC acknowledges a tx suspend, it indicates that no more
* packets will be transmitted out the radio. This is independent of
* DMA channel suspension---the DMA may have finished suspending, or may still
* be pulling data into a tx fifo, by the time the MAC acks the suspend
* request.
*/
static bool brcms_b_tx_fifo_suspended(struct brcms_hardware *wlc_hw,
uint tx_fifo)
{
/* check that a suspend has been requested and is no longer pending */
/*
* for DMA mode, the suspend request is set in xmtcontrol of the DMA
* engine, and the tx fifo suspend at the lower end of the MAC is
* acknowledged in the chnstatus register.
*
* The tx fifo suspend completion is independent of the DMA suspend
* completion and may be acked before or after the DMA is suspended.
*/
if (dma_txsuspended(wlc_hw->di[tx_fifo]) &&
(R_REG(&wlc_hw->regs->chnstatus) &
(1 << tx_fifo)) == 0)
return true;
return false;
}
/* second-level interrupt processing
* Return true if another dpc needs to be re-scheduled. false otherwise.
* Param 'bounded' indicates if applicable loops should be bounded.
@ -1161,10 +1131,6 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
if (brcms_b_recv(wlc_hw, RX_FIFO, bounded))
wlc->macintstatus |= MI_DMAINT;
/* TX FIFO suspend/flush completion */
if (macintstatus & MI_TXSTOP)
brcms_b_tx_fifo_suspended(wlc_hw, TX_DATA_FIFO);
/* noise sample collected */
if (macintstatus & MI_BG_NOISE)
wlc_phy_noise_sample_intr(wlc_hw->band->pi);