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[PATCH 07/14] brcmfmac: Minimize SDIO dpc scheduling.

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From: Hante Meuleman <meuleman@xxxxxxxxxxxx>

SDIO dpc scheduling is done (repeated) when counter is set. This
counter gets decreased when dpc is finished. It is more efficient
to set counter to 0 before the dpc is actullay run. This will
minimize the frequency with which dpc is executed.

Reviewed-by: Arend Van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@xxxxxxxxxxxx>
Signed-off-by: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
 drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index ce99732..cc0f1ad 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3758,8 +3758,8 @@ static void brcmf_sdio_dataworker(struct work_struct *work)
 					      datawork);
 
 	while (atomic_read(&bus->dpc_tskcnt)) {
+		atomic_set(&bus->dpc_tskcnt, 0);
 		brcmf_sdio_dpc(bus);
-		atomic_dec(&bus->dpc_tskcnt);
 	}
 }
 
-- 
1.7.10.4

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