From 45fda7d2fdcb10d09fd5498491212be6ffcf91e1 Mon Sep 17 00:00:00 2001 From: Franky Lin Date: Mon, 8 Aug 2011 15:58:29 +0200 Subject: [PATCH] staging: brcm80211: remove global wait queue head sdioh_spinwait_sleep Remove global wait queue head sdioh_spinwait_sleep in fullmac. Reviewed-by: Roland Vossen Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- drivers/staging/brcm80211/brcmfmac/dhd.h | 22 ------------------- drivers/staging/brcm80211/brcmfmac/dhd_sdio.c | 21 +++++++++--------- 2 files changed, 11 insertions(+), 32 deletions(-) diff --git a/drivers/staging/brcm80211/brcmfmac/dhd.h b/drivers/staging/brcm80211/brcmfmac/dhd.h index 9afd9ff3f983..3c950cc5b7f5 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd.h +++ b/drivers/staging/brcm80211/brcmfmac/dhd.h @@ -619,28 +619,6 @@ struct bcmevent_name { const char *name; }; -#if defined(CONFIG_PM_SLEEP) -#define BRCMF_SPINWAIT_SLEEP_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a); -#define BRCMF_SPINWAIT_SLEEP(a, exp, us) do { \ - uint countdown = (us) + 9999; \ - while ((exp) && (countdown >= 10000)) { \ - wait_event_timeout(a, false, HZ/100); \ - countdown -= 10000; \ - } \ - } while (0) - -#else -#define BRCMF_SPINWAIT_SLEEP_INIT(a) -#define BRCMF_SPINWAIT_SLEEP(a, exp, us) do { \ - uint countdown = (us) + 9; \ - while ((exp) && (countdown >= 10)) { \ - udelay(10); \ - countdown -= 10; \ - } \ - } while (0) - -#endif /* defined(CONFIG_PM_SLEEP) */ - /* * Insmod parameters for debug/test */ diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c index 7a0d036b1efb..e9806c3c1f82 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c @@ -444,8 +444,6 @@ struct rte_console { (((prio) == PRIO_8021D_NONE || (prio) == PRIO_8021D_BE) ? \ ((prio^2)) : (prio)) -BRCMF_SPINWAIT_SLEEP_INIT(sdioh_spinwait_sleep); - /* * Core reg address translation. * Both macro's returns a 32 bits byte address on the backplane bus. @@ -1033,6 +1031,7 @@ static int brcmf_sdbrcm_htclk(struct brcmf_bus *bus, bool on, bool pendok) int err; u8 clkctl, clkreq, devctl; struct brcmf_sdio_card *card; + unsigned long timeout; BRCMF_TRACE(("%s: Enter\n", __func__)); @@ -1102,14 +1101,16 @@ static int brcmf_sdbrcm_htclk(struct brcmf_bus *bus, bool on, bool pendok) } /* Otherwise, wait here (polling) for HT Avail */ - if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - BRCMF_SPINWAIT_SLEEP(sdioh_spinwait_sleep, - ((clkctl = - brcmf_sdcard_cfg_read(card, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, - &err)), - !SBSDIO_CLKAV(clkctl, bus->alp_only)), - PMU_MAX_TRANSITION_DLY); + timeout = jiffies + + msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000); + while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { + clkctl = brcmf_sdcard_cfg_read(card, SDIO_FUNC_1, + SBSDIO_FUNC1_CHIPCLKCSR, + &err); + if (time_after(jiffies, timeout)) + break; + else + usleep_range(5000, 10000); } if (err) { BRCMF_ERROR(("%s: HT Avail request error: %d\n", -- 2.20.1