From a9b977183727004e9f5bf38f45fe4d1e98d42d60 Mon Sep 17 00:00:00 2001 From: Franky Lin Date: Mon, 8 Aug 2011 15:58:28 +0200 Subject: [PATCH] staging: brcm80211: move brcmf_mmc_suspend to sdio layer in fullmac brcmf_mmc_suspend is used for sdio suspend/resume function. Hence it should be placed in sdio interface layer. Reviewed-by: Roland Vossen Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c | 38 +++++++++++++++++------ drivers/staging/brcm80211/brcmfmac/dhd.h | 17 ---------- drivers/staging/brcm80211/brcmfmac/dhd_linux.c | 8 ----- drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c | 8 ----- 4 files changed, 28 insertions(+), 43 deletions(-) diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c index bfe73eefbfd0..d6f0f921e562 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -143,6 +143,7 @@ module_param(clockoverride, int, 0644); MODULE_PARM_DESC(clockoverride, "SDIO card clock override"); struct brcmf_sdmmc_instance *gInstance; +static atomic_t brcmf_mmc_suspend; struct device sdmmc_dev; @@ -157,31 +158,44 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = { { /* end: all zeroes */ }, }; -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static const struct dev_pm_ops brcmf_sdio_pm_ops = { .suspend = brcmf_sdio_suspend, .resume = brcmf_sdio_resume, }; -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ static struct sdio_driver brcmf_sdmmc_driver = { .probe = brcmf_ops_sdio_probe, .remove = brcmf_ops_sdio_remove, .name = "brcmfmac", .id_table = brcmf_sdmmc_ids, -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP .drv = { .pm = &brcmf_sdio_pm_ops, }, -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ }; MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); -BRCMF_PM_RESUME_WAIT_INIT(sdioh_request_byte_wait); -BRCMF_PM_RESUME_WAIT_INIT(sdioh_request_word_wait); -BRCMF_PM_RESUME_WAIT_INIT(sdioh_request_packet_wait); -BRCMF_PM_RESUME_WAIT_INIT(sdioh_request_buffer_wait); +#ifdef CONFIG_PM_SLEEP +DECLARE_WAIT_QUEUE_HEAD(sdioh_request_byte_wait); +DECLARE_WAIT_QUEUE_HEAD(sdioh_request_word_wait); +DECLARE_WAIT_QUEUE_HEAD(sdioh_request_packet_wait); +DECLARE_WAIT_QUEUE_HEAD(sdioh_request_buffer_wait); +#define BRCMF_PM_RESUME_WAIT(a) do { \ + int retry = 0; \ + while (atomic_read(&brcmf_mmc_suspend) && retry++ != 30) { \ + wait_event_timeout(a, false, HZ/100); \ + } \ + } while (0) +#define BRCMF_PM_RESUME_RETURN_ERROR(a) \ + do { if (atomic_read(&brcmf_mmc_suspend)) return a; } while (0) +#else +#define BRCMF_PM_RESUME_WAIT(a) +#define BRCMF_PM_RESUME_RETURN_ERROR(a) +#endif /* CONFIG_PM_SLEEP */ static int brcmf_sdioh_card_regread(struct sdioh_info *sd, int func, u32 regaddr, @@ -1049,6 +1063,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, sd_trace(("NIC found, calling brcmf_sdio_probe...\n")); ret = brcmf_sdio_probe(&sdmmc_dev); } + atomic_set(&brcmf_mmc_suspend, false); } gInstance->func[func->num] = func; @@ -1077,7 +1092,7 @@ static void brcmf_ops_sdio_remove(struct sdio_func *func) } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int brcmf_sdio_suspend(struct device *dev) { mmc_pm_flag_t sdio_flags; @@ -1085,6 +1100,8 @@ static int brcmf_sdio_suspend(struct device *dev) sd_trace(("%s\n", __func__)); + atomic_set(&brcmf_mmc_suspend, true); + 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")); @@ -1105,9 +1122,10 @@ static int brcmf_sdio_suspend(struct device *dev) static int brcmf_sdio_resume(struct device *dev) { brcmf_sdio_wdtmr_enable(true); + atomic_set(&brcmf_mmc_suspend, false); return 0; } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ int brcmf_sdioh_osinit(struct sdioh_info *sd) { diff --git a/drivers/staging/brcm80211/brcmfmac/dhd.h b/drivers/staging/brcm80211/brcmfmac/dhd.h index 1fe9d69e1001..9afd9ff3f983 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd.h +++ b/drivers/staging/brcm80211/brcmfmac/dhd.h @@ -620,18 +620,6 @@ struct bcmevent_name { }; #if defined(CONFIG_PM_SLEEP) -extern atomic_t brcmf_mmc_suspend; -#define BRCMF_PM_RESUME_WAIT_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a); -#define _BRCMF_PM_RESUME_WAIT(a, b) do { \ - int retry = 0; \ - while (atomic_read(&brcmf_mmc_suspend) && retry++ != b) { \ - wait_event_timeout(a, false, HZ/100); \ - } \ - } while (0) -#define BRCMF_PM_RESUME_WAIT(a) _BRCMF_PM_RESUME_WAIT(a, 30) -#define BRCMF_PM_RESUME_RETURN_ERROR(a) \ - do { if (atomic_read(&brcmf_mmc_suspend)) return a; } while (0) - #define BRCMF_SPINWAIT_SLEEP_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a); #define BRCMF_SPINWAIT_SLEEP(a, exp, us) do { \ uint countdown = (us) + 9999; \ @@ -642,11 +630,6 @@ extern atomic_t brcmf_mmc_suspend; } while (0) #else - -#define BRCMF_PM_RESUME_WAIT_INIT(a) -#define BRCMF_PM_RESUME_WAIT(a) -#define BRCMF_PM_RESUME_RETURN_ERROR(a) - #define BRCMF_SPINWAIT_SLEEP_INIT(a) #define BRCMF_SPINWAIT_SLEEP(a, exp, us) do { \ uint countdown = (us) + 9; \ diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c index 07ceaf9243b7..9dc327b21a30 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c @@ -43,11 +43,6 @@ #include "wl_cfg80211.h" #include "bcmchip.h" -#if defined(CONFIG_PM_SLEEP) -#include -atomic_t brcmf_mmc_suspend; -#endif /* defined(CONFIG_PM_SLEEP) */ - MODULE_AUTHOR("Broadcom Corporation"); MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); @@ -1274,9 +1269,6 @@ struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus, uint bus_hdrlen) */ memcpy(netdev_priv(net), &drvr_priv, sizeof(drvr_priv)); -#if defined(CONFIG_PM_SLEEP) - atomic_set(&brcmf_mmc_suspend, false); -#endif /* defined(CONFIG_PM_SLEEP) */ return &drvr_priv->pub; fail: diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 440ae6d43e31..02137ac1838c 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -2102,10 +2102,6 @@ static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) */ WL_TRACE("Enter\n"); -#if defined(CONFIG_PM_SLEEP) - atomic_set(&brcmf_mmc_suspend, false); -#endif /* defined(CONFIG_PM_SLEEP) */ - if (test_bit(WL_STATUS_READY, &cfg_priv->status)) brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); @@ -2167,10 +2163,6 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, brcmf_set_mpc(ndev, 1); } -#if defined(CONFIG_PM_SLEEP) - atomic_set(&brcmf_mmc_suspend, true); -#endif /* defined(CONFIG_PM_SLEEP) */ - WL_TRACE("Exit\n"); return 0; -- 2.11.0