From afc3bbfcd62efe87041571369b2d12beb00f4bc3 Mon Sep 17 00:00:00 2001 From: Hante Meuleman Date: Thu, 6 Jun 2013 13:17:54 +0200 Subject: [PATCH] brcmfmac: Correct creditmap when credit borrowing is active. When credit borrowing is active the BE credits have been depleted, however the worker should still be scheduled. In case of credit borrowing correct credit map to make sure worker remains active. Reviewed-by: Arend Van Spriel Signed-off-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 682ac62..abba7f7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -1020,6 +1020,8 @@ static void brcmf_fws_return_credits(struct brcmf_fws_info *fws, if (!credits) return; + fws->fifo_credit_map |= 1 << fifo; + if ((fifo == BRCMF_FWS_FIFO_AC_BE) && (fws->credits_borrowed[0])) { for (lender_ac = BRCMF_FWS_FIFO_AC_VO; lender_ac >= 0; @@ -1041,7 +1043,6 @@ static void brcmf_fws_return_credits(struct brcmf_fws_info *fws, } } - fws->fifo_credit_map |= 1 << fifo; fws->fifo_credit[fifo] += credits; } @@ -1675,8 +1676,10 @@ static int brcmf_fws_borrow_credit(struct brcmf_fws_info *fws) { int lender_ac; - if (time_after(fws->borrow_defer_timestamp, jiffies)) + if (time_after(fws->borrow_defer_timestamp, jiffies)) { + fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); return -ENAVAIL; + } for (lender_ac = 0; lender_ac <= BRCMF_FWS_FIFO_AC_VO; lender_ac++) { if (fws->fifo_credit[lender_ac]) { @@ -1684,10 +1687,12 @@ static int brcmf_fws_borrow_credit(struct brcmf_fws_info *fws) fws->fifo_credit[lender_ac]--; if (fws->fifo_credit[lender_ac] == 0) fws->fifo_credit_map &= ~(1 << lender_ac); + fws->fifo_credit_map |= (1 << BRCMF_FWS_FIFO_AC_BE); brcmf_dbg(DATA, "borrow credit from: %d\n", lender_ac); return 0; } } + fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); return -ENAVAIL; } -- 2.7.4