From: Alwin Beukers <alwin@xxxxxxxxxxxx>
- 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@xxxxxxxxxxxx>
Reviewed-by: Roland Vossen <rvossen@xxxxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmsmac/main.c | 34 -----------------------------
1 files changed, 0 insertions(+), 34 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmsmac/main.c b/drivers/staging/brcm80211/brcmsmac/main.c
index bd38f33..175d85e 100644
--- a/drivers/staging/brcm80211/brcmsmac/main.c
+++ b/drivers/staging/brcm80211/brcmsmac/main.c
@@ -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);
--
1.7.4.1
--
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