summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-trans.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
index 5dba76b009a6..78808c956444 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
@@ -497,7 +497,19 @@ IWL_EXPORT_SYMBOL(iwl_trans_read_mem);
int iwl_trans_write_mem(struct iwl_trans *trans, u32 addr,
const void *buf, int dwords)
{
- return iwl_trans_pcie_write_mem(trans, addr, buf, dwords);
+ int offs, ret = 0;
+ const u32 *vals = buf;
+
+ if (iwl_trans_grab_nic_access(trans)) {
+ iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr);
+ for (offs = 0; offs < dwords; offs++)
+ iwl_write32(trans, HBUS_TARG_MEM_WDAT,
+ vals ? vals[offs] : 0);
+ iwl_trans_release_nic_access(trans);
+ } else {
+ ret = -EBUSY;
+ }
+ return ret;
}
IWL_EXPORT_SYMBOL(iwl_trans_write_mem);