Searched refs:cnts (Results 1 - 13 of 13) sorted by relevance

/linux-4.4.14/include/asm-generic/
H A Dqrwlock_types.h12 atomic_t cnts; member in struct:qrwlock
17 .cnts = ATOMIC_INIT(0), \
H A Dqrwlock.h39 extern void queued_read_lock_slowpath(struct qrwlock *lock, u32 cnts);
48 return !(atomic_read(&lock->cnts) & _QW_WMASK); queued_read_can_lock()
57 return !atomic_read(&lock->cnts); queued_write_can_lock()
67 u32 cnts; queued_read_trylock() local
69 cnts = atomic_read(&lock->cnts); queued_read_trylock()
70 if (likely(!(cnts & _QW_WMASK))) { queued_read_trylock()
71 cnts = (u32)atomic_add_return_acquire(_QR_BIAS, &lock->cnts); queued_read_trylock()
72 if (likely(!(cnts & _QW_WMASK))) queued_read_trylock()
74 atomic_sub(_QR_BIAS, &lock->cnts); queued_read_trylock()
86 u32 cnts; queued_write_trylock() local
88 cnts = atomic_read(&lock->cnts); queued_write_trylock()
89 if (unlikely(cnts)) queued_write_trylock()
92 return likely(atomic_cmpxchg_acquire(&lock->cnts, queued_write_trylock()
93 cnts, cnts | _QW_LOCKED) == cnts); queued_write_trylock()
101 u32 cnts; queued_read_lock() local
103 cnts = atomic_add_return_acquire(_QR_BIAS, &lock->cnts); queued_read_lock()
104 if (likely(!(cnts & _QW_WMASK))) queued_read_lock()
108 queued_read_lock_slowpath(lock, cnts); queued_read_lock()
118 if (atomic_cmpxchg_acquire(&lock->cnts, 0, _QW_LOCKED) == 0) queued_write_lock()
133 (void)atomic_sub_return_release(_QR_BIAS, &lock->cnts); queued_read_unlock()
142 smp_store_release((u8 *)&lock->cnts, 0); queued_write_unlock()
/linux-4.4.14/kernel/locking/
H A Dqrwlock.c27 * the subfields within the atomic_t cnts.
31 atomic_t cnts; member in union:__qrwlock::__anon14803
54 rspin_until_writer_unlock(struct qrwlock *lock, u32 cnts) rspin_until_writer_unlock() argument
56 while ((cnts & _QW_WMASK) == _QW_LOCKED) { rspin_until_writer_unlock()
58 cnts = atomic_read_acquire(&lock->cnts); rspin_until_writer_unlock()
65 * @cnts: Current qrwlock lock value
67 void queued_read_lock_slowpath(struct qrwlock *lock, u32 cnts) queued_read_lock_slowpath() argument
81 rspin_until_writer_unlock(lock, cnts); queued_read_lock_slowpath()
84 atomic_sub(_QR_BIAS, &lock->cnts); queued_read_lock_slowpath()
96 cnts = atomic_add_return_acquire(_QR_BIAS, &lock->cnts) - _QR_BIAS; queued_read_lock_slowpath()
97 rspin_until_writer_unlock(lock, cnts); queued_read_lock_slowpath()
112 u32 cnts; queued_write_lock_slowpath() local
118 if (!atomic_read(&lock->cnts) && queued_write_lock_slowpath()
119 (atomic_cmpxchg_acquire(&lock->cnts, 0, _QW_LOCKED) == 0)) queued_write_lock_slowpath()
138 cnts = atomic_read(&lock->cnts); queued_write_lock_slowpath()
139 if ((cnts == _QW_WAITING) && queued_write_lock_slowpath()
140 (atomic_cmpxchg_acquire(&lock->cnts, _QW_WAITING, queued_write_lock_slowpath()
/linux-4.4.14/drivers/staging/rtl8712/
H A Drtl8712_efuse.h38 u16 start_addr, u16 cnts, u8 *data);
40 u16 cnts, u8 *data);
42 u16 cnts, u8 *data);
H A Drtl8712_efuse.c437 u16 cnts, u8 *data) r8712_efuse_access()
444 if (!bRead && ((start_addr + cnts) > r8712_efuse_access()
450 for (i = 0; i < cnts; i++) { r8712_efuse_access()
465 u8 r8712_efuse_map_read(struct _adapter *padapter, u16 addr, u16 cnts, u8 *data) r8712_efuse_map_read() argument
471 if ((addr + cnts) > EFUSE_MAP_MAX_SIZE) r8712_efuse_map_read()
474 for (i = 0; i < cnts; i++) r8712_efuse_map_read()
486 if (idx == cnts) r8712_efuse_map_read()
497 u8 r8712_efuse_map_write(struct _adapter *padapter, u16 addr, u16 cnts, r8712_efuse_map_write() argument
504 if ((addr + cnts) > EFUSE_MAP_MAX_SIZE) r8712_efuse_map_write()
538 if ((cnts - idx) == 1) { r8712_efuse_map_write()
556 if (idx == cnts) r8712_efuse_map_write()
564 if (idx == cnts) r8712_efuse_map_write()
436 r8712_efuse_access(struct _adapter *padapter, u8 bRead, u16 start_addr, u16 cnts, u8 *data) r8712_efuse_access() argument
H A Drtl871x_mp_ioctl.c722 u16 addr = 0, cnts = 0; oid_rt_pro_read_efuse_hdl() local
731 cnts = pefuse->cnts; oid_rt_pro_read_efuse_hdl()
733 memset(data, 0xFF, cnts); oid_rt_pro_read_efuse_hdl()
734 if ((addr > 511) || (cnts < 1) || (cnts > 512) || (addr + cnts) > oid_rt_pro_read_efuse_hdl()
737 if (!r8712_efuse_access(Adapter, true, addr, cnts, data)) oid_rt_pro_read_efuse_hdl()
752 u16 addr = 0, cnts = 0; oid_rt_pro_write_efuse_hdl() local
759 cnts = pefuse->cnts; oid_rt_pro_write_efuse_hdl()
762 if ((addr > 511) || (cnts < 1) || (cnts > 512) || oid_rt_pro_write_efuse_hdl()
763 (addr + cnts) > r8712_efuse_get_max_size(Adapter)) oid_rt_pro_write_efuse_hdl()
765 if (!r8712_efuse_access(Adapter, false, addr, cnts, data)) oid_rt_pro_write_efuse_hdl()
H A Drtl871x_mp_ioctl.h62 u16 cnts; member in struct:EFUSE_ACCESS_STRUCT
/linux-4.4.14/drivers/staging/rtl8723au/include/
H A Drtw_efuse.h85 int rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bRead, u16 start_addr, u16 cnts, u8 *data);
86 int rtw_efuse_map_read23a(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data);
87 u8 rtw_efuse_map_write(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data);
88 int rtw_BT_efuse_map_read23a(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data);
89 u8 rtw_BT_efuse_map_write(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data);
/linux-4.4.14/drivers/mfd/
H A Dmfd-core.c272 atomic_t *cnts; mfd_add_devices() local
275 cnts = kcalloc(n_devs, sizeof(*cnts), GFP_KERNEL); mfd_add_devices()
276 if (!cnts) mfd_add_devices()
280 atomic_set(&cnts[i], 0); mfd_add_devices()
281 ret = mfd_add_device(parent, id, cells + i, cnts + i, mem_base, mfd_add_devices()
293 kfree(cnts); mfd_add_devices()
323 atomic_t *cnts = NULL; mfd_remove_devices() local
325 device_for_each_child_reverse(parent, &cnts, mfd_remove_devices_fn); mfd_remove_devices()
326 kfree(cnts); mfd_remove_devices()
/linux-4.4.14/drivers/staging/rtl8723au/core/
H A Drtw_efuse.c410 u16 cnts, u8 *data) rtw_efuse_access23a()
428 if ((start_addr + cnts) > max_available_size) rtw_efuse_access23a()
437 for (i = 0; i < cnts; i++) { rtw_efuse_access23a()
464 u16 addr, u16 cnts, u8 *data) rtw_efuse_map_read23a()
471 if ((addr + cnts) > mapLen) rtw_efuse_map_read23a()
476 rtl8723a_readefuse(padapter, EFUSE_WIFI, addr, cnts, data); rtw_efuse_map_read23a()
484 u16 addr, u16 cnts, u8 *data) rtw_BT_efuse_map_read23a()
491 if ((addr + cnts) > mapLen) rtw_BT_efuse_map_read23a()
496 rtl8723a_readefuse(padapter, EFUSE_BT, addr, cnts, data); rtw_BT_efuse_map_read23a()
409 rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bWrite, u16 start_addr, u16 cnts, u8 *data) rtw_efuse_access23a() argument
463 rtw_efuse_map_read23a(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data) rtw_efuse_map_read23a() argument
483 rtw_BT_efuse_map_read23a(struct rtw_adapter *padapter, u16 addr, u16 cnts, u8 *data) rtw_BT_efuse_map_read23a() argument
H A Drtw_pwrctrl.c38 DBG_8723A("==>ips_enter23a cnts:%d\n", pwrpriv->ips_enter23a_cnts); ips_enter23a()
70 DBG_8723A("==>ips_leave23a cnts:%d\n", ips_leave23a()
/linux-4.4.14/drivers/staging/rtl8188eu/core/
H A Drtw_pwrctrl.c154 DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts); ips_enter()
185 DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts); ips_leave()
/linux-4.4.14/drivers/staging/rdma/hfi1/
H A Dmad.c2943 u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */ pma_set_opa_portstatus()

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