brcmfmac: wait for driver to go idle during suspend
Before going in suspend state the watchdog thread needs to put the
device in bus sleep state, which assures it can go in deep-sleep
state during D3 state.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio.h
index 82494df..9c5d42d2 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.h
@@ -169,6 +169,8 @@
u32 sbwad; /* Save backplane window address */
struct brcmf_sdio *bus;
atomic_t suspend; /* suspend flag */
+ bool sleeping;
+ wait_queue_head_t idle_wait;
struct device *dev;
struct brcmf_bus *bus_if;
struct brcmfmac_sdio_platform_data *pdata;