iwlwifi: allow to zero SRAM
Sending a NULL pointer to iwl_trans_write_mem allows now
to zero SRAM.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index b0d5c71..55a140a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -391,7 +391,8 @@
* @read_prph: read a DWORD from a periphery register
* @write_prph: write a DWORD to a periphery register
* @read_mem: read device's SRAM in DWORD
- * @write_mem: write device's SRAM in DWORD
+ * @write_mem: write device's SRAM in DWORD. If %buf is %NULL, then the memory
+ * will be zeroed.
* @configure: configure parameters required by the transport layer from
* the op_mode. May be called several times before start_fw, can't be
* called after that.