Commit bbf7ae3d authored by Double Lo's avatar Double Lo Committed by Kalle Valo
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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: default avatarDouble Lo <double.lo@cypress.com>
Signed-off-by: default avatarChi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-6-chi-hsien.lin@cypress.com
parent d843246e
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+2 −1
Original line number Diff line number Diff line
@@ -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])