diff options
| author | Arend van Spriel <arend@broadcom.com> | 2015-02-06 18:36:45 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-02-26 15:14:19 +0200 |
| commit | 9982464379e81ece51ced03ebecbbcd34ea367a6 (patch) | |
| tree | e9b04bac5108dc61da220dbabdcfae0cd8dd729a /drivers/net/wireless/brcm80211/brcmfmac/sdio.h | |
| parent | c7cd5d27d848d6afb38abad1c345cd42ebfd61e4 (diff) | |
brcmfmac: make sdio suspend wait for threads to freeze
Borrowed the idea of the PM freezer to make sdio suspend wait for
watchdog and DPC thread to freeze at a safe point in their thread
routine. The suspend takes 20-25 msec.
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>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/sdio.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio.h index a6cdc6061c3a..7328478b2d7b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.h @@ -175,15 +175,13 @@ struct brcmf_sdreg { }; struct brcmf_sdio; +struct brcmf_sdiod_freezer; struct brcmf_sdio_dev { struct sdio_func *func[SDIO_MAX_FUNCS]; u8 num_funcs; /* Supported funcs on client */ 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; @@ -201,6 +199,7 @@ struct brcmf_sdio_dev { char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; bool wowl_enabled; enum brcmf_sdiod_state state; + struct brcmf_sdiod_freezer *freezer; }; /* sdio core registers */ @@ -343,6 +342,28 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, /* Issue an abort to the specified function */ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); +void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, + enum brcmf_sdiod_state state); +#ifdef CONFIG_PM_SLEEP +bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev); +void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev); +void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev); +void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev); +#else +static inline bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev) +{ + return false; +} +static inline void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev) +{ +} +static inline void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev) +{ +} +static inline void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev) +{ +} +#endif /* CONFIG_PM_SLEEP */ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); void brcmf_sdio_remove(struct brcmf_sdio *bus); @@ -350,8 +371,7 @@ void brcmf_sdio_isr(struct brcmf_sdio *bus); void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick); void brcmf_sdio_wowl_config(struct device *dev, bool enabled); - -void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, - enum brcmf_sdiod_state state); +int brcmf_sdio_sleep(struct brcmf_sdio *bus, bool sleep); +void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus); #endif /* BRCMFMAC_SDIO_H */ |