package/kernel/mac80211/patches/311-brcmfmac-dhd_sdio.c-use-existing-atomic_or-primitive.patch

   1 From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
   2 Date: Thu, 9 Jul 2015 13:43:18 +0530
   3 Subject: [PATCH] brcmfmac: dhd_sdio.c: use existing atomic_or primitive
   4
   5 There's already a generic implementation so use that instead.
   6
   7 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
   8 ---
   9
  10 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
  11 +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
  12 @@ -2564,15 +2564,6 @@ static inline void brcmf_sdio_clrintr(st
  13         }
  14  }
  15
  16 -static void atomic_orr(int val, atomic_t *v)
  17 -{
  18 -       int old_val;
  19 -
  20 -       old_val = atomic_read(v);
  21 -       while (atomic_cmpxchg(v, old_val, val | old_val) != old_val)
  22 -               old_val = atomic_read(v);
  23 -}
  24 -
  25  static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus)
  26  {
  27         struct brcmf_core *buscore;
  28 @@ -2595,7 +2586,7 @@ static int brcmf_sdio_intr_rstatus(struc
  29         if (val) {
  30                 brcmf_sdiod_regwl(bus->sdiodev, addr, val, &ret);
  31                 bus->sdcnt.f1regdata++;
  32 -               atomic_orr(val, &bus->intstatus);
  33 +               atomic_or(val, &bus->intstatus);
  34         }
  35
  36         return ret;
  37 @@ -2712,7 +2703,7 @@ static void brcmf_sdio_dpc(struct brcmf_
  38
  39         /* Keep still-pending events for next scheduling */
  40         if (intstatus)
  41 -               atomic_orr(intstatus, &bus->intstatus);
  42 +               atomic_or(intstatus, &bus->intstatus);
  43
  44         brcmf_sdio_clrintr(bus);
  45