wifi: iwlwifi: pcie: remove redundant argument

The iwl_pcie_alloc_fw_monitor_block() function has an argument
that's only ever hard-coded to 11, remove it and hard-code the
value into the function itself with a comment.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.737c153e8259.Ibe6250ca812cfa2f00ac47e5e0d1595c6b9b4875@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -163,7 +163,7 @@ static void iwl_pcie_free_fw_monitor(struct iwl_trans *trans)
 }
 
 static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
-					    u8 max_power, u8 min_power)
+					    u8 max_power)
 {
 	struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
 	void *block = NULL;
@@ -176,7 +176,8 @@ static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
 		return;
 	}
 
-	for (power = max_power; power >= min_power; power--) {
+	/* need at least 2 KiB, so stop at 11 */
+	for (power = max_power; power >= 11; power--) {
 		size = BIT(power);
 		block = dma_alloc_coherent(trans->dev, size, &physical,
 					   GFP_KERNEL | __GFP_NOWARN);
@@ -217,7 +218,7 @@ void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power)
 		 max_power))
 		return;
 
-	iwl_pcie_alloc_fw_monitor_block(trans, max_power, 11);
+	iwl_pcie_alloc_fw_monitor_block(trans, max_power);
 }
 
 static u32 iwl_trans_pcie_read_shr(struct iwl_trans *trans, u32 reg)