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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/net/wireless/intel/iwlegacy/4965.c
....@@ -1,22 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /******************************************************************************
23  *
34  * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
4
- *
5
- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of version 2 of the GNU General Public License as
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- * published by the Free Software Foundation.
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- *
9
- * This program is distributed in the hope that it will be useful, but WITHOUT
10
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12
- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
15
- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17
- *
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- * The full GNU General Public License is included in this distribution in the
19
- * file called LICENSE.
205  *
216  * Contact Information:
227  *  Intel Linux Wireless <ilw@linux.intel.com>
....@@ -32,6 +17,7 @@
3217 #include <linux/sched.h>
3318 #include <linux/skbuff.h>
3419 #include <linux/netdevice.h>
20
+#include <linux/units.h>
3521 #include <net/mac80211.h>
3622 #include <linux/etherdevice.h>
3723 #include <asm/unaligned.h>
....@@ -39,7 +25,7 @@
3925 #include "common.h"
4026 #include "4965.h"
4127 
42
-/**
28
+/*
4329  * il_verify_inst_sparse - verify runtime uCode image in card vs. host,
4430  *   using sample data 100 bytes apart.  If these sample points are good,
4531  *   it's a pretty good bet that everything between them is good, too.
....@@ -71,7 +57,7 @@
7157 	return ret;
7258 }
7359 
74
-/**
60
+/*
7561  * il4965_verify_inst_full - verify runtime uCode image in card vs. host,
7662  *     looking at all data.
7763  */
....@@ -110,7 +96,7 @@
11096 	return ret;
11197 }
11298 
113
-/**
99
+/*
114100  * il4965_verify_ucode - determine which instruction image is in SRAM,
115101  *    and verify its contents
116102  */
....@@ -306,7 +292,7 @@
306292 	return 0;
307293 }
308294 
309
-/**
295
+/*
310296  * il4965_load_bsm - Load bootstrap instructions
311297  *
312298  * BSM operation:
....@@ -416,7 +402,7 @@
416402 	return 0;
417403 }
418404 
419
-/**
405
+/*
420406  * il4965_set_ucode_ptrs - Set uCode address location
421407  *
422408  * Tell initialization uCode where to find runtime uCode.
....@@ -430,7 +416,6 @@
430416 {
431417 	dma_addr_t pinst;
432418 	dma_addr_t pdata;
433
-	int ret = 0;
434419 
435420 	/* bits 35:4 for 4965 */
436421 	pinst = il->ucode_code.p_addr >> 4;
....@@ -447,10 +432,10 @@
447432 		   il->ucode_code.len | BSM_DRAM_INST_LOAD);
448433 	D_INFO("Runtime uCode pointers are set.\n");
449434 
450
-	return ret;
435
+	return 0;
451436 }
452437 
453
-/**
438
+/*
454439  * il4965_init_alive_start - Called after N_ALIVE notification received
455440  *
456441  * Called after N_ALIVE notification received from "initialize" uCode.
....@@ -577,13 +562,12 @@
577562 		sign = -sign;
578563 		denom = -denom;
579564 	}
580
-	*res = 1;
581565 	*res = ((num * 2 + denom) / (denom * 2)) * sign;
582566 
583567 	return 1;
584568 }
585569 
586
-/**
570
+/*
587571  * il4965_get_voltage_compensation - Power supply voltage comp for txpower
588572  *
589573  * Determines power supply voltage compensation for txpower calculations.
....@@ -670,7 +654,7 @@
670654 	}
671655 }
672656 
673
-/**
657
+/*
674658  * il4965_interpolate_chan - Interpolate factory measurements for one channel
675659  *
676660  * Interpolates factory measurements from the two sample channels within a
....@@ -1120,7 +1104,7 @@
11201104 	/* get current temperature (Celsius) */
11211105 	current_temp = max(il->temperature, IL_TX_POWER_TEMPERATURE_MIN);
11221106 	current_temp = min(il->temperature, IL_TX_POWER_TEMPERATURE_MAX);
1123
-	current_temp = KELVIN_TO_CELSIUS(current_temp);
1107
+	current_temp = kelvin_to_celsius(current_temp);
11241108 
11251109 	/* select thermal txpower adjustment params, based on channel group
11261110 	 *   (same frequency group used for mimo txatten adjustment) */
....@@ -1247,7 +1231,7 @@
12471231 	return 0;
12481232 }
12491233 
1250
-/**
1234
+/*
12511235  * il4965_send_tx_power - Configure the TXPOWER level user limit
12521236  *
12531237  * Uses the active RXON for channel, band, and characteristics (ht40, high)
....@@ -1296,6 +1280,8 @@
12961280 	struct il4965_rxon_assoc_cmd rxon_assoc;
12971281 	const struct il_rxon_cmd *rxon1 = &il->staging;
12981282 	const struct il_rxon_cmd *rxon2 = &il->active;
1283
+
1284
+	lockdep_assert_held(&il->mutex);
12991285 
13001286 	if (rxon1->flags == rxon2->flags &&
13011287 	    rxon1->filter_flags == rxon2->filter_flags &&
....@@ -1542,7 +1528,7 @@
15421528 	return il_send_cmd_pdu(il, C_CHANNEL_SWITCH, sizeof(cmd), &cmd);
15431529 }
15441530 
1545
-/**
1531
+/*
15461532  * il4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
15471533  */
15481534 static void
....@@ -1567,9 +1553,8 @@
15671553 		    bc_ent;
15681554 }
15691555 
1570
-/**
1556
+/*
15711557  * il4965_hw_get_temperature - return the calibrated temperature (in Kelvin)
1572
- * @stats: Provides the temperature reading from the uCode
15731558  *
15741559  * A return of <0 indicates bogus data in the stats
15751560  */
....@@ -1624,8 +1609,8 @@
16241609 	temperature =
16251610 	    (temperature * 97) / 100 + TEMPERATURE_CALIB_KELVIN_OFFSET;
16261611 
1627
-	D_TEMP("Calibrated temperature: %dK, %dC\n", temperature,
1628
-	       KELVIN_TO_CELSIUS(temperature));
1612
+	D_TEMP("Calibrated temperature: %dK, %ldC\n", temperature,
1613
+	       kelvin_to_celsius(temperature));
16291614 
16301615 	return temperature;
16311616 }
....@@ -1633,7 +1618,7 @@
16331618 /* Adjust Txpower only if temperature variance is greater than threshold. */
16341619 #define IL_TEMPERATURE_THRESHOLD   3
16351620 
1636
-/**
1621
+/*
16371622  * il4965_is_temp_calib_needed - determines if new calibration is needed
16381623  *
16391624  * If the temperature changed has changed sufficiently, then a recalibration
....@@ -1684,12 +1669,12 @@
16841669 
16851670 	if (il->temperature != temp) {
16861671 		if (il->temperature)
1687
-			D_TEMP("Temperature changed " "from %dC to %dC\n",
1688
-			       KELVIN_TO_CELSIUS(il->temperature),
1689
-			       KELVIN_TO_CELSIUS(temp));
1672
+			D_TEMP("Temperature changed " "from %ldC to %ldC\n",
1673
+			       kelvin_to_celsius(il->temperature),
1674
+			       kelvin_to_celsius(temp));
16901675 		else
1691
-			D_TEMP("Temperature " "initialized to %dC\n",
1692
-			       KELVIN_TO_CELSIUS(temp));
1676
+			D_TEMP("Temperature " "initialized to %ldC\n",
1677
+			       kelvin_to_celsius(temp));
16931678 	}
16941679 
16951680 	il->temperature = temp;