From 561e722201e41e304936b8a2aaa282c46ad4f393 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Thu, 6 Mar 2014 10:16:11 +0100 Subject: [PATCH] Revert "brcmfmac: Use atomic functions for intstatus update." This reverts commit c98db0bec72ac7ef127119c1ed962d6f56802b12. The function atomic_set_mask() is not architecture independent so it can not be used in the driver as is. Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 5c2706e..70bab5e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -2444,7 +2444,7 @@ static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) struct brcmf_core *buscore; u32 addr; unsigned long val; - int ret; + int n, ret; buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); addr = buscore->base + offsetof(struct sdpcmd_regs, intstatus); @@ -2452,7 +2452,7 @@ static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) val = brcmf_sdiod_regrl(bus->sdiodev, addr, &ret); bus->sdcnt.f1regdata++; if (ret != 0) - return ret; + val = 0; val &= bus->hostintmask; atomic_set(&bus->fcstate, !!(val & I_HMB_FC_STATE)); @@ -2461,7 +2461,13 @@ static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) if (val) { brcmf_sdiod_regwl(bus->sdiodev, addr, val, &ret); bus->sdcnt.f1regdata++; - atomic_set_mask(val, &bus->intstatus); + } + + if (ret) { + atomic_set(&bus->intstatus, 0); + } else if (val) { + for_each_set_bit(n, &val, 32) + set_bit(n, (unsigned long *)&bus->intstatus.counter); } return ret; @@ -2473,7 +2479,7 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus) unsigned long intstatus; uint txlimit = bus->txbound; /* Tx frames to send before resched */ uint framecnt; /* Temporary counter of tx/rx frames */ - int err = 0; + int err = 0, n; brcmf_dbg(TRACE, "Enter\n"); @@ -2577,8 +2583,10 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus) } /* Keep still-pending events for next scheduling */ - if (intstatus) - atomic_set_mask(intstatus, &bus->intstatus); + if (intstatus) { + for_each_set_bit(n, &intstatus, 32) + set_bit(n, (unsigned long *)&bus->intstatus.counter); + } brcmf_sdio_clrintr(bus); -- 2.7.4