diff options
author | Emmanuel Grumbach | 2012-12-24 14:27:11 +0200 |
---|---|---|
committer | Johannes Berg | 2013-01-03 15:30:19 +0100 |
commit | 4fd442db98dadf33ecce6d489bbbc95f6e8d3b31 (patch) | |
tree | 9eff5b52f5533a4864050a2829b9e849879b990a /drivers/net/wireless/iwlwifi/iwl-io.c | |
parent | 7a65d17053c758109477f420e813ba2d826b0eae (diff) |
iwlwifi: virtualize SRAM access
Different transports implement the access to the SRAM in
different ways. Virtualize it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-io.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-io.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index cb36fedd157a..2bd84adbb5ae 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -226,59 +226,3 @@ void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask) spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_clear_bits_prph); - -void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr, - void *buf, int dwords) -{ - unsigned long flags; - int offs; - u32 *vals = buf; - - spin_lock_irqsave(&trans->reg_lock, flags); - if (likely(iwl_trans_grab_nic_access(trans, false))) { - iwl_write32(trans, HBUS_TARG_MEM_RADDR, addr); - for (offs = 0; offs < dwords; offs++) - vals[offs] = iwl_read32(trans, HBUS_TARG_MEM_RDAT); - iwl_trans_release_nic_access(trans); - } - spin_unlock_irqrestore(&trans->reg_lock, flags); -} -EXPORT_SYMBOL_GPL(_iwl_read_targ_mem_dwords); - -u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr) -{ - u32 value; - - _iwl_read_targ_mem_dwords(trans, addr, &value, 1); - - return value; -} -EXPORT_SYMBOL_GPL(iwl_read_targ_mem); - -int _iwl_write_targ_mem_dwords(struct iwl_trans *trans, u32 addr, - const void *buf, int dwords) -{ - unsigned long flags; - int offs, result = 0; - const u32 *vals = buf; - - spin_lock_irqsave(&trans->reg_lock, flags); - if (likely(iwl_trans_grab_nic_access(trans, false))) { - iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr); - for (offs = 0; offs < dwords; offs++) - iwl_write32(trans, HBUS_TARG_MEM_WDAT, vals[offs]); - iwl_trans_release_nic_access(trans); - } else { - result = -EBUSY; - } - spin_unlock_irqrestore(&trans->reg_lock, flags); - - return result; -} -EXPORT_SYMBOL_GPL(_iwl_write_targ_mem_dwords); - -int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val) -{ - return _iwl_write_targ_mem_dwords(trans, addr, &val, 1); -} -EXPORT_SYMBOL_GPL(iwl_write_targ_mem); |