From: Franky Lin Date: Wed, 29 Jun 2011 23:47:41 +0000 (-0700) Subject: staging: brcm80211: move sdio related suspend/resume code to bus interface layer X-Git-Tag: MMI-PSA29.97-13-9~18845^2~274 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ad3a7c4933ff67811d8ce4102d4d20292524bfb6;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git staging: brcm80211: move sdio related suspend/resume code to bus interface layer In fullmac some SDIO configurations should be done in suspend/resume routine. It was placed under pm ops in wl_cfg80211.c which is inappropriate. This patchs move them to sdio layer. Signed-off-by: Arend van Spriel Reviewed-by: Roland Vossen Reviewed-by: Franky Lin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h index 05600e0581a1..f1d04e0f8a6c 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h @@ -111,4 +111,7 @@ extern int brcmf_sdioh_reset(struct sdioh_info *si); /* Helper function */ void *brcmf_sdcard_get_sdioh(struct brcmf_sdio *sdh); +/* Watchdog timer interface for pm ops */ +extern void brcmf_sdio_wdtmr_enable(bool enable); + #endif /* _sdio_api_h_ */ diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c index c4b74ab336c6..d0be99f76499 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c @@ -218,3 +218,11 @@ module_param(sd_msglevel, uint, 0); extern uint sd_f2_blocksize; module_param(sd_f2_blocksize, int, 0); + +void brcmf_sdio_wdtmr_enable(bool enable) +{ + if (enable) + brcmf_os_wd_timer(sdhcinfo->ch, brcmf_watchdog_ms); + else + brcmf_os_wd_timer(sdhcinfo->ch, 0); +} diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c index c1de2cddd1f5..48527bb380e9 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -55,13 +55,6 @@ DHD_PM_RESUME_WAIT_INIT(sdioh_request_buffer_wait); int brcmf_sdioh_card_regread(struct sdioh_info *sd, int func, u32 regaddr, int regsize, u32 *data); -void brcmf_sdioh_set_host_pm_flags(int flag) -{ - if (sdio_set_host_pm_flags(gInstance->func[1], flag)) - printk(KERN_ERR "%s: Failed to set pm_flags 0x%08x\n",\ - __func__, (unsigned int)flag); -} - static int brcmf_sdioh_enablefuncs(struct sdioh_info *sd) { int err_ret; diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c index 6abd9c03031d..39b0cbeb84e5 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c @@ -136,11 +136,53 @@ static const struct sdio_device_id bcmsdh_sdmmc_ids[] = { MODULE_DEVICE_TABLE(sdio, bcmsdh_sdmmc_ids); +#ifdef CONFIG_PM +static int brcmf_sdio_suspend(struct device *dev) +{ + mmc_pm_flag_t sdio_flags; + int ret = 0; + + sd_trace(("%s\n", __func__)); + + sdio_flags = sdio_get_host_pm_caps(gInstance->func[1]); + if (!(sdio_flags & MMC_PM_KEEP_POWER)) { + sd_err(("Host can't keep power while suspended\n")); + return -EINVAL; + } + + ret = sdio_set_host_pm_flags(gInstance->func[1], MMC_PM_KEEP_POWER); + if (ret) { + sd_err(("Failed to set pm_flags\n")); + return ret; + } + + brcmf_sdio_wdtmr_enable(false); + + return ret; +} + +static int brcmf_sdio_resume(struct device *dev) +{ + brcmf_sdio_wdtmr_enable(true); + return 0; +} + +static const struct dev_pm_ops brcmf_sdio_pm_ops = { + .suspend = brcmf_sdio_suspend, + .resume = brcmf_sdio_resume, +}; +#endif /* CONFIG_PM */ + static struct sdio_driver bcmsdh_sdmmc_driver = { .probe = brcmf_ops_sdio_probe, .remove = brcmf_ops_sdio_remove, .name = "brcmfmac", .id_table = bcmsdh_sdmmc_ids, +#ifdef CONFIG_PM + .drv = { + .pm = &brcmf_sdio_pm_ops, + }, +#endif /* CONFIG_PM */ }; struct sdos_info { diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c index c3cbda6cc078..6f351eb08aae 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c @@ -2382,13 +2382,6 @@ int brcmf_netdev_wait_pend8021x(struct net_device *dev) return pend; } -void brcmf_netdev_os_wd_timer(struct net_device *ndev, uint wdtick) -{ - dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); - - brcmf_os_wd_timer(&dhd->pub, wdtick); -} - #ifdef BCMDBG int brcmf_write_to_file(dhd_pub_t *dhd, u8 *buf, int size) { diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 1d80d75b370f..a3c2e8703a51 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -36,8 +36,6 @@ #include "dhd.h" #include "wl_cfg80211.h" -void brcmf_sdioh_set_host_pm_flags(int flag); - static struct sdio_func *cfg80211_sdio_func; static struct wl_dev *wl_cfg80211_dev; static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; @@ -2071,7 +2069,6 @@ done: static s32 wl_cfg80211_resume(struct wiphy *wiphy) { struct wl_priv *wl = wiphy_to_wl(wiphy); - struct net_device *ndev = wl_to_ndev(wl); /* * Check for WL_STATUS_READY before any function call which @@ -2084,11 +2081,8 @@ static s32 wl_cfg80211_resume(struct wiphy *wiphy) atomic_set(&brcmf_mmc_suspend, false); #endif /* defined(CONFIG_PM_SLEEP) */ - if (test_bit(WL_STATUS_READY, &wl->status)) { - /* Turn on Watchdog timer */ - brcmf_netdev_os_wd_timer(ndev, brcmf_watchdog_ms); + if (test_bit(WL_STATUS_READY, &wl->status)) wl_invoke_iscan(wiphy_to_wl(wiphy)); - } WL_TRACE("Exit\n"); return 0; @@ -2141,14 +2135,10 @@ static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) clear_bit(WL_STATUS_SCANNING, &wl->status); clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status); - /* Inform SDIO stack not to switch off power to the chip */ - brcmf_sdioh_set_host_pm_flags(MMC_PM_KEEP_POWER); - /* Turn off watchdog timer */ if (test_bit(WL_STATUS_READY, &wl->status)) { - WL_INFO("Terminate watchdog timer and enable MPC\n"); + WL_INFO("Enable MPC\n"); wl_set_mpc(ndev, 1); - brcmf_netdev_os_wd_timer(ndev, 0); } #if defined(CONFIG_PM_SLEEP) diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h index 6ad6b5b5396e..bc7b4a3e3938 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h @@ -404,6 +404,4 @@ extern s8 *wl_cfg80211_get_fwname(void); /* get firmware name for the dongle */ extern s8 *wl_cfg80211_get_nvramname(void); /* get nvram name for the dongle */ -extern void brcmf_netdev_os_wd_timer(struct net_device *ndev, uint wdtick); - #endif /* _wl_cfg80211_h_ */