iwlagn: remove dereferences of priv from transport
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
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1/******************************************************************************
2 *
901069c7 3 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
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.
13 *
14 * 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.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/init.h>
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30#include <linux/delay.h>
31#include <linux/skbuff.h>
32#include <linux/netdevice.h>
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33#include <net/mac80211.h>
34#include <linux/etherdevice.h>
35#include <asm/unaligned.h>
8fcbd4dc 36#include <linux/stringify.h>
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37
38#include "iwl-eeprom.h"
39#include "iwl-dev.h"
40#include "iwl-core.h"
41#include "iwl-io.h"
42#include "iwl-sta.h"
43#include "iwl-agn.h"
44#include "iwl-helpers.h"
45#include "iwl-agn-hw.h"
46#include "iwl-6000-hw.h"
48f20d35 47#include "iwl-shared.h"
332a4bad 48#include "iwl-pci.h"
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49
50/* Highest firmware API version supported */
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51#define IWL2030_UCODE_API_MAX 6
52#define IWL2000_UCODE_API_MAX 6
53#define IWL105_UCODE_API_MAX 6
54#define IWL135_UCODE_API_MAX 6
55
56/* Oldest version we won't warn about */
57#define IWL2030_UCODE_API_OK 5
58#define IWL2000_UCODE_API_OK 5
59#define IWL105_UCODE_API_OK 5
60#define IWL135_UCODE_API_OK 5
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61
62/* Lowest firmware API version supported */
63#define IWL2030_UCODE_API_MIN 5
64#define IWL2000_UCODE_API_MIN 5
b4ed221d 65#define IWL105_UCODE_API_MIN 5
54e9c409 66#define IWL135_UCODE_API_MIN 5
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67
68#define IWL2030_FW_PRE "iwlwifi-2030-"
8fcbd4dc 69#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
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70
71#define IWL2000_FW_PRE "iwlwifi-2000-"
8fcbd4dc 72#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
c5a5e185 73
b4ed221d 74#define IWL105_FW_PRE "iwlwifi-105-"
8fcbd4dc 75#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
c5a5e185 76
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77#define IWL135_FW_PRE "iwlwifi-135-"
78#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode"
79
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80static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
81{
82 /* want Celsius */
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83 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
84 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
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85}
86
87/* NIC configuration for 2000 series */
88static void iwl2000_nic_config(struct iwl_priv *priv)
89{
86cb3b4e 90 iwl_rf_config(priv);
c5a5e185 91
52e6b85f 92 if (priv->cfg->iq_invert)
83ed9015 93 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
52e6b85f 94 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
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95}
96
97static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
98 .min_nrg_cck = 97,
99 .max_nrg_cck = 0, /* not used, set to 0 */
100 .auto_corr_min_ofdm = 80,
101 .auto_corr_min_ofdm_mrc = 128,
102 .auto_corr_min_ofdm_x1 = 105,
103 .auto_corr_min_ofdm_mrc_x1 = 192,
104
105 .auto_corr_max_ofdm = 145,
106 .auto_corr_max_ofdm_mrc = 232,
107 .auto_corr_max_ofdm_x1 = 110,
108 .auto_corr_max_ofdm_mrc_x1 = 232,
109
110 .auto_corr_min_cck = 125,
111 .auto_corr_max_cck = 175,
112 .auto_corr_min_cck_mrc = 160,
113 .auto_corr_max_cck_mrc = 310,
114 .nrg_th_cck = 97,
115 .nrg_th_ofdm = 100,
116
117 .barker_corr_th_min = 190,
118 .barker_corr_th_min_mrc = 390,
119 .nrg_th_cca = 62,
120};
121
122static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
123{
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124 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
125 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
c5a5e185 126 priv->cfg->base_params->num_of_queues =
9d143e9a 127 iwlagn_mod_params.num_of_queues;
c5a5e185 128
d6189124 129 hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
d6189124 130 hw_params(priv).max_stations = IWLAGN_STATION_COUNT;
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131 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
132
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133 hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
134 hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
c5a5e185 135
d6189124 136 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
c5a5e185 137
d6189124 138 hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
c5a5e185 139 if (priv->cfg->rx_with_siso_diversity)
d6189124 140 hw_params(priv).rx_chains_num = 1;
c5a5e185 141 else
d6189124 142 hw_params(priv).rx_chains_num =
c5a5e185 143 num_of_ant(priv->cfg->valid_rx_ant);
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144 hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
145 hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
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146
147 iwl2000_set_ct_threshold(priv);
148
149 /* Set initial sensitivity parameters */
150 /* Set initial calibration set */
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151 hw_params(priv).sens = &iwl2000_sensitivity;
152 hw_params(priv).calib_init_cfg =
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153 BIT(IWL_CALIB_XTAL) |
154 BIT(IWL_CALIB_LO) |
155 BIT(IWL_CALIB_TX_IQ) |
156 BIT(IWL_CALIB_BASE_BAND);
157 if (priv->cfg->need_dc_calib)
d6189124 158 hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
c5a5e185 159 if (priv->cfg->need_temp_offset_calib)
d6189124 160 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
c5a5e185 161
d6189124 162 hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
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163
164 return 0;
165}
166
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167static struct iwl_lib_ops iwl2000_lib = {
168 .set_hw_params = iwl2000_hw_set_hw_params,
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169 .nic_config = iwl2000_nic_config,
170 .eeprom_ops = {
171 .regulatory_bands = {
172 EEPROM_REG_BAND_1_CHANNELS,
173 EEPROM_REG_BAND_2_CHANNELS,
174 EEPROM_REG_BAND_3_CHANNELS,
175 EEPROM_REG_BAND_4_CHANNELS,
176 EEPROM_REG_BAND_5_CHANNELS,
177 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
178 EEPROM_REGULATORY_BAND_NO_HT40,
179 },
b39488a9 180 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
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181 },
182 .temperature = iwlagn_temperature,
183};
184
185static struct iwl_lib_ops iwl2030_lib = {
186 .set_hw_params = iwl2000_hw_set_hw_params,
8d301193 187 .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
6bd4dba3 188 .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
caebbb7a 189 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
e4c598b7 190 .nic_config = iwl2000_nic_config,
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191 .eeprom_ops = {
192 .regulatory_bands = {
193 EEPROM_REG_BAND_1_CHANNELS,
194 EEPROM_REG_BAND_2_CHANNELS,
195 EEPROM_REG_BAND_3_CHANNELS,
196 EEPROM_REG_BAND_4_CHANNELS,
197 EEPROM_REG_BAND_5_CHANNELS,
198 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
5cab35e7 199 EEPROM_REGULATORY_BAND_NO_HT40,
c5a5e185 200 },
b39488a9 201 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
c5a5e185 202 },
909fc3cb 203 .temperature = iwlagn_temperature,
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204};
205
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206static struct iwl_base_params iwl2000_base_params = {
207 .eeprom_size = OTP_LOW_IMAGE_SIZE,
208 .num_of_queues = IWLAGN_NUM_QUEUES,
209 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
210 .pll_cfg_val = 0,
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211 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
212 .shadow_ram_support = true,
213 .led_compensation = 51,
214 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
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215 .adv_thermal_throttle = true,
216 .support_ct_kill_exit = true,
217 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
218 .chain_noise_scale = 1000,
219 .wd_timeout = IWL_DEF_WD_TIMEOUT,
220 .max_event_log_size = 512,
c5a5e185 221 .shadow_reg_enable = true,
ae7f9a74 222 .hd_v2 = true,
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223};
224
225
226static struct iwl_base_params iwl2030_base_params = {
227 .eeprom_size = OTP_LOW_IMAGE_SIZE,
228 .num_of_queues = IWLAGN_NUM_QUEUES,
229 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
230 .pll_cfg_val = 0,
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231 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
232 .shadow_ram_support = true,
233 .led_compensation = 57,
234 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
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235 .adv_thermal_throttle = true,
236 .support_ct_kill_exit = true,
237 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
238 .chain_noise_scale = 1000,
239 .wd_timeout = IWL_LONG_WD_TIMEOUT,
240 .max_event_log_size = 512,
c5a5e185 241 .shadow_reg_enable = true,
ae7f9a74 242 .hd_v2 = true,
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243};
244
245static struct iwl_ht_params iwl2000_ht_params = {
246 .ht_greenfield_support = true,
247 .use_rts_for_aggregation = true, /* use rts/cts protection */
248};
249
250static struct iwl_bt_params iwl2030_bt_params = {
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251 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
252 .advanced_bt_coexist = true,
253 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
254 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
255 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
256 .bt_sco_disable = true,
6013270a 257 .bt_session_2 = true,
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258};
259
260#define IWL_DEVICE_2000 \
261 .fw_name_pre = IWL2000_FW_PRE, \
262 .ucode_api_max = IWL2000_UCODE_API_MAX, \
ca9a4605 263 .ucode_api_ok = IWL2000_UCODE_API_OK, \
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264 .ucode_api_min = IWL2000_UCODE_API_MIN, \
265 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
266 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 267 .lib = &iwl2000_lib, \
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268 .base_params = &iwl2000_base_params, \
269 .need_dc_calib = true, \
270 .need_temp_offset_calib = true, \
52e6b85f 271 .led_mode = IWL_LED_RF_STATE, \
d62b39e1 272 .iq_invert = true \
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273
274struct iwl_cfg iwl2000_2bgn_cfg = {
275 .name = "2000 Series 2x2 BGN",
276 IWL_DEVICE_2000,
277 .ht_params = &iwl2000_ht_params,
278};
279
280struct iwl_cfg iwl2000_2bg_cfg = {
281 .name = "2000 Series 2x2 BG",
282 IWL_DEVICE_2000,
283};
284
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285struct iwl_cfg iwl2000_2bgn_d_cfg = {
286 .name = "2000D Series 2x2 BGN",
287 IWL_DEVICE_2000,
288};
289
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290#define IWL_DEVICE_2030 \
291 .fw_name_pre = IWL2030_FW_PRE, \
292 .ucode_api_max = IWL2030_UCODE_API_MAX, \
ca9a4605 293 .ucode_api_ok = IWL2030_UCODE_API_OK, \
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294 .ucode_api_min = IWL2030_UCODE_API_MIN, \
295 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
296 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 297 .lib = &iwl2030_lib, \
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298 .base_params = &iwl2030_base_params, \
299 .bt_params = &iwl2030_bt_params, \
300 .need_dc_calib = true, \
301 .need_temp_offset_calib = true, \
302 .led_mode = IWL_LED_RF_STATE, \
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303 .adv_pm = true, \
304 .iq_invert = true \
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305
306struct iwl_cfg iwl2030_2bgn_cfg = {
307 .name = "2000 Series 2x2 BGN/BT",
96234cc8 308 IWL_DEVICE_2030,
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309 .ht_params = &iwl2000_ht_params,
310};
311
312struct iwl_cfg iwl2030_2bg_cfg = {
313 .name = "2000 Series 2x2 BG/BT",
96234cc8 314 IWL_DEVICE_2030,
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315};
316
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317#define IWL_DEVICE_105 \
318 .fw_name_pre = IWL105_FW_PRE, \
319 .ucode_api_max = IWL105_UCODE_API_MAX, \
ca9a4605 320 .ucode_api_ok = IWL105_UCODE_API_OK, \
b4ed221d 321 .ucode_api_min = IWL105_UCODE_API_MIN, \
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322 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
323 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 324 .lib = &iwl2000_lib, \
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325 .base_params = &iwl2000_base_params, \
326 .need_dc_calib = true, \
327 .need_temp_offset_calib = true, \
328 .led_mode = IWL_LED_RF_STATE, \
329 .adv_pm = true, \
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330 .rx_with_siso_diversity = true, \
331 .iq_invert = true \
c5a5e185 332
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333struct iwl_cfg iwl105_bg_cfg = {
334 .name = "105 Series 1x1 BG",
335 IWL_DEVICE_105,
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336};
337
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338struct iwl_cfg iwl105_bgn_cfg = {
339 .name = "105 Series 1x1 BGN",
340 IWL_DEVICE_105,
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341 .ht_params = &iwl2000_ht_params,
342};
343
b4ed221d 344#define IWL_DEVICE_135 \
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345 .fw_name_pre = IWL135_FW_PRE, \
346 .ucode_api_max = IWL135_UCODE_API_MAX, \
ca9a4605 347 .ucode_api_ok = IWL135_UCODE_API_OK, \
54e9c409 348 .ucode_api_min = IWL135_UCODE_API_MIN, \
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349 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
350 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 351 .lib = &iwl2030_lib, \
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352 .base_params = &iwl2030_base_params, \
353 .bt_params = &iwl2030_bt_params, \
354 .need_dc_calib = true, \
355 .need_temp_offset_calib = true, \
356 .led_mode = IWL_LED_RF_STATE, \
357 .adv_pm = true, \
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358 .rx_with_siso_diversity = true, \
359 .iq_invert = true \
c5a5e185 360
b4ed221d 361struct iwl_cfg iwl135_bg_cfg = {
54e9c409 362 .name = "135 Series 1x1 BG/BT",
b4ed221d 363 IWL_DEVICE_135,
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364};
365
b4ed221d 366struct iwl_cfg iwl135_bgn_cfg = {
54e9c409 367 .name = "135 Series 1x1 BGN/BT",
b4ed221d 368 IWL_DEVICE_135,
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369 .ht_params = &iwl2000_ht_params,
370};
371
372MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
373MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
b4ed221d 374MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
54e9c409 375MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));
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