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brcmfmac: fix throughput zero stalls on PM 1 mode due to credit map 

This patch move the credit map setting to right place to avoid
brcmf_fws_return_credits() return without setting the credit map.
It fix the thoughput zero stalls issue in softAP mode when STA
using PM 1 mode.

Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-6-chi-hsien.lin@cypress.com
This commit is contained in:
Double Lo 2020-06-10 10:21:05 -05:00 committed by Kalle Valo
parent d843246ee7
commit bbf7ae3dcb
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
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@ -1193,6 +1193,8 @@ 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_BK &&
fifo <= BRCMF_FWS_FIFO_AC_VO) {
for (lender_ac = BRCMF_FWS_FIFO_AC_VO; lender_ac >= 0;
@ -1216,7 +1218,6 @@ static void brcmf_fws_return_credits(struct brcmf_fws_info *fws,
if (credits) {
fws->fifo_credit[fifo] += credits;
fws->fifo_credit_map |= 1 << fifo;
}
if (fws->fifo_credit[fifo] > fws->init_fifo_credit[fifo])