diff options
| author | Golan Ben-Ami <golan.ben.ami@intel.com> | 2015-10-21 15:16:58 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-11-26 16:38:51 +0200 |
| commit | 14ef1b433e8f1336e14105f430a6e614ae86646f (patch) | |
| tree | 328c46ec90468719a0c1eef3718aca9b3401901f /drivers/net/wireless/intel/iwlwifi/iwl-io.c | |
| parent | 1412ee39afaba8806cf6a631ee7347319ca5ae8a (diff) | |
iwlwifi: export the _no_grab version of PRPH IO functions
Expose _no_grab prph i/o functions that allow performing i/o
outside the transport, without requiring grab and release NIC access
for each operation. In addition, rename the functions so they reflect
their non-grabbing behavior.
This can be very useful for consecutive prph i/o operation that occur
outside trans, such as fw dumps.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-io.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-io.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.c b/drivers/net/wireless/intel/iwlwifi/iwl-io.c index 0bd9d4aad0c0..603c8945871b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.c @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Deutschland GmbH * * Portions of this file are derived from the ipw3945 project. * @@ -117,18 +118,20 @@ int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, } IWL_EXPORT_SYMBOL(iwl_poll_direct_bit); -u32 __iwl_read_prph(struct iwl_trans *trans, u32 ofs) +u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs) { u32 val = iwl_trans_read_prph(trans, ofs); trace_iwlwifi_dev_ioread_prph32(trans->dev, ofs, val); return val; } +IWL_EXPORT_SYMBOL(iwl_read_prph_no_grab); -void __iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val) +void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val) { trace_iwlwifi_dev_iowrite_prph32(trans->dev, ofs, val); iwl_trans_write_prph(trans, ofs, val); } +IWL_EXPORT_SYMBOL(iwl_write_prph_no_grab); u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs) { @@ -136,7 +139,7 @@ u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs) u32 val = 0x5a5a5a5a; if (iwl_trans_grab_nic_access(trans, false, &flags)) { - val = __iwl_read_prph(trans, ofs); + val = iwl_read_prph_no_grab(trans, ofs); iwl_trans_release_nic_access(trans, &flags); } return val; @@ -148,7 +151,7 @@ void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val) unsigned long flags; if (iwl_trans_grab_nic_access(trans, false, &flags)) { - __iwl_write_prph(trans, ofs, val); + iwl_write_prph_no_grab(trans, ofs, val); iwl_trans_release_nic_access(trans, &flags); } } @@ -174,8 +177,9 @@ void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask) unsigned long flags; if (iwl_trans_grab_nic_access(trans, false, &flags)) { - __iwl_write_prph(trans, ofs, - __iwl_read_prph(trans, ofs) | mask); + iwl_write_prph_no_grab(trans, ofs, + iwl_read_prph_no_grab(trans, ofs) | + mask); iwl_trans_release_nic_access(trans, &flags); } } @@ -187,8 +191,9 @@ void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs, unsigned long flags; if (iwl_trans_grab_nic_access(trans, false, &flags)) { - __iwl_write_prph(trans, ofs, - (__iwl_read_prph(trans, ofs) & mask) | bits); + iwl_write_prph_no_grab(trans, ofs, + (iwl_read_prph_no_grab(trans, ofs) & + mask) | bits); iwl_trans_release_nic_access(trans, &flags); } } @@ -200,8 +205,8 @@ void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask) u32 val; if (iwl_trans_grab_nic_access(trans, false, &flags)) { - val = __iwl_read_prph(trans, ofs); - __iwl_write_prph(trans, ofs, (val & ~mask)); + val = iwl_read_prph_no_grab(trans, ofs); + iwl_write_prph_no_grab(trans, ofs, (val & ~mask)); iwl_trans_release_nic_access(trans, &flags); } } |