developer | 5e9bfbf | 2023-09-01 13:53:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /************************************************* |
| 3 | * FILE NAME: air_en8811h_main.c |
| 4 | * PURPOSE: |
| 5 | * EN8811H PHY Driver for Linux |
| 6 | * NOTES: |
| 7 | * |
| 8 | * Copyright (C) 2023 Airoha Technology Corp. |
| 9 | *************************************************/ |
| 10 | |
| 11 | /* INCLUDE FILE DECLARATIONS |
| 12 | */ |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/mii.h> |
| 18 | #include <linux/phy.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/ethtool.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/firmware.h> |
| 23 | #include <linux/crc32.h> |
| 24 | #include <linux/debugfs.h> |
| 25 | #include "air_en8811h_api.h" |
| 26 | #include "air_en8811h.h" |
| 27 | |
| 28 | MODULE_DESCRIPTION("Airoha EN8811H PHY Drivers"); |
| 29 | MODULE_AUTHOR("Airoha"); |
| 30 | MODULE_LICENSE("GPL"); |
| 31 | |
| 32 | /************************** |
| 33 | * GPIO5 <-> BASE_T_LED0, |
| 34 | * GPIO4 <-> BASE_T_LED1, |
| 35 | * GPIO3 <-> BASE_T_LED2, |
| 36 | **************************/ |
| 37 | /* User-defined.B */ |
| 38 | #define AIR_LED_SUPPORT |
| 39 | #ifdef AIR_LED_SUPPORT |
| 40 | static const struct air_base_t_led_cfg led_cfg[3] = { |
| 41 | /******************************************************************** |
| 42 | *Enable, GPIO, LED Polarity, LED ON, LED Blink |
| 43 | *********************************************************************/ |
| 44 | {1, AIR_LED0_GPIO5, AIR_ACTIVE_HIGH, AIR_LED0_ON, AIR_LED0_BLK}, |
| 45 | {1, AIR_LED1_GPIO4, AIR_ACTIVE_HIGH, AIR_LED1_ON, AIR_LED1_BLK}, |
| 46 | {1, AIR_LED2_GPIO3, AIR_ACTIVE_HIGH, AIR_LED2_ON, AIR_LED2_BLK}, |
| 47 | }; |
| 48 | static const u16 led_dur = UNIT_LED_BLINK_DURATION << AIR_LED_BLK_DUR_64M; |
| 49 | #endif |
| 50 | /* User-defined.E */ |
| 51 | |
| 52 | /*********************************************************** |
| 53 | * F U N C T I O N S |
| 54 | ***********************************************************/ |
| 55 | |
| 56 | |
| 57 | static int MDIOWriteBuf(struct phy_device *phydev, |
| 58 | unsigned long address, const struct firmware *fw) |
| 59 | { |
| 60 | unsigned int write_data, offset; |
| 61 | int ret = 0; |
| 62 | struct device *dev = phydev_dev(phydev); |
| 63 | struct mii_bus *mbus = phydev_mdio_bus(phydev); |
| 64 | int addr = phydev_addr(phydev); |
| 65 | /* page 4 */ |
| 66 | ret = air_mii_cl22_write(mbus, addr, 0x1F, 4); |
| 67 | if (ret < 0) { |
| 68 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 69 | return ret; |
| 70 | } |
| 71 | /* address increment*/ |
| 72 | ret = air_mii_cl22_write(mbus, addr, 0x10, 0x8000); |
| 73 | if (ret < 0) { |
| 74 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 75 | return ret; |
| 76 | } |
| 77 | ret = air_mii_cl22_write(mbus, addr, 0x11, |
| 78 | (u32)((address >> 16) & 0xffff)); |
| 79 | if (ret < 0) { |
| 80 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 81 | return ret; |
| 82 | } |
| 83 | ret = air_mii_cl22_write(mbus, addr, 0x12, (u32)(address & 0xffff)); |
| 84 | if (ret < 0) { |
| 85 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 86 | return ret; |
| 87 | } |
| 88 | |
| 89 | for (offset = 0; offset < fw->size; offset += 4) { |
| 90 | write_data = (fw->data[offset + 3] << 8) | fw->data[offset + 2]; |
| 91 | ret = air_mii_cl22_write(mbus, addr, 0x13, write_data); |
| 92 | if (ret < 0) { |
| 93 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 94 | return ret; |
| 95 | } |
| 96 | write_data = (fw->data[offset + 1] << 8) | fw->data[offset]; |
| 97 | ret = air_mii_cl22_write(mbus, addr, 0x14, write_data); |
| 98 | if (ret < 0) { |
| 99 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 100 | return ret; |
| 101 | } |
| 102 | } |
| 103 | ret = air_mii_cl22_write(mbus, addr, 0x1F, 0); |
| 104 | if (ret < 0) { |
| 105 | dev_err(dev, "air_mii_cl22_write, ret: %d\n", ret); |
| 106 | return ret; |
| 107 | } |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | static int en8811h_load_firmware(struct phy_device *phydev) |
| 112 | { |
| 113 | struct device *dev = phydev_dev(phydev); |
| 114 | const struct firmware *fw; |
| 115 | const char *firmware; |
| 116 | int ret = 0; |
| 117 | u32 pbus_value = 0; |
| 118 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 119 | struct en8811h_priv *priv = phydev->priv; |
| 120 | #endif |
| 121 | ret = air_buckpbus_reg_write(phydev, 0x0f0018, 0x0); |
| 122 | if (ret < 0) |
| 123 | return ret; |
| 124 | pbus_value = air_buckpbus_reg_read(phydev, 0x800000); |
| 125 | pbus_value |= BIT(11); |
| 126 | ret = air_buckpbus_reg_write(phydev, 0x800000, pbus_value); |
| 127 | if (ret < 0) |
| 128 | return ret; |
| 129 | firmware = EN8811H_MD32_DM; |
| 130 | ret = request_firmware_direct(&fw, firmware, dev); |
| 131 | if (ret < 0) { |
| 132 | dev_err(dev, |
| 133 | "failed to load firmware %s, ret: %d\n", firmware, ret); |
| 134 | return ret; |
| 135 | } |
| 136 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 137 | priv->dm_crc32 = ~crc32(~0, fw->data, fw->size); |
| 138 | #endif |
| 139 | dev_info(dev, "%s: crc32=0x%x\n", |
| 140 | firmware, ~crc32(~0, fw->data, fw->size)); |
| 141 | /* Download DM */ |
| 142 | ret = MDIOWriteBuf(phydev, 0x00000000, fw); |
| 143 | release_firmware(fw); |
| 144 | if (ret < 0) { |
| 145 | dev_err(dev, |
| 146 | "MDIOWriteBuf 0x00000000 fail, ret: %d\n", ret); |
| 147 | return ret; |
| 148 | } |
| 149 | |
| 150 | firmware = EN8811H_MD32_DSP; |
| 151 | ret = request_firmware_direct(&fw, firmware, dev); |
| 152 | if (ret < 0) { |
| 153 | dev_info(dev, |
| 154 | "failed to load firmware %s, ret: %d\n", firmware, ret); |
| 155 | return ret; |
| 156 | } |
| 157 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 158 | priv->dsp_crc32 = ~crc32(~0, fw->data, fw->size); |
| 159 | #endif |
| 160 | dev_info(dev, "%s: crc32=0x%x\n", |
| 161 | firmware, ~crc32(~0, fw->data, fw->size)); |
| 162 | /* Download PM */ |
| 163 | ret = MDIOWriteBuf(phydev, 0x00100000, fw); |
| 164 | release_firmware(fw); |
| 165 | if (ret < 0) { |
| 166 | dev_err(dev, |
| 167 | "MDIOWriteBuf 0x00100000 fail , ret: %d\n", ret); |
| 168 | return ret; |
| 169 | } |
| 170 | pbus_value = air_buckpbus_reg_read(phydev, 0x800000); |
| 171 | pbus_value &= ~BIT(11); |
| 172 | ret = air_buckpbus_reg_write(phydev, 0x800000, pbus_value); |
| 173 | if (ret < 0) |
| 174 | return ret; |
| 175 | ret = air_buckpbus_reg_write(phydev, 0x0f0018, 0x01); |
| 176 | if (ret < 0) |
| 177 | return ret; |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | #ifdef AIR_LED_SUPPORT |
| 182 | static int airoha_led_set_usr_def(struct phy_device *phydev, u8 entity, |
| 183 | int polar, u16 on_evt, u16 blk_evt) |
| 184 | { |
| 185 | int ret = 0; |
| 186 | |
| 187 | if (polar == AIR_ACTIVE_HIGH) |
| 188 | on_evt |= LED_ON_POL; |
| 189 | else |
| 190 | on_evt &= ~LED_ON_POL; |
| 191 | |
| 192 | ret = air_mii_cl45_write(phydev, 0x1f, |
| 193 | LED_ON_CTRL(entity), on_evt | LED_ON_EN); |
| 194 | if (ret < 0) |
| 195 | return ret; |
| 196 | ret = air_mii_cl45_write(phydev, 0x1f, LED_BLK_CTRL(entity), blk_evt); |
| 197 | if (ret < 0) |
| 198 | return ret; |
| 199 | return 0; |
| 200 | } |
| 201 | |
| 202 | static int airoha_led_set_mode(struct phy_device *phydev, u8 mode) |
| 203 | { |
| 204 | u16 cl45_data; |
| 205 | int err = 0; |
| 206 | struct device *dev = phydev_dev(phydev); |
| 207 | |
| 208 | cl45_data = air_mii_cl45_read(phydev, 0x1f, LED_BCR); |
| 209 | switch (mode) { |
| 210 | case AIR_LED_MODE_DISABLE: |
| 211 | cl45_data &= ~LED_BCR_EXT_CTRL; |
| 212 | cl45_data &= ~LED_BCR_MODE_MASK; |
| 213 | cl45_data |= LED_BCR_MODE_DISABLE; |
| 214 | break; |
| 215 | case AIR_LED_MODE_USER_DEFINE: |
| 216 | cl45_data |= LED_BCR_EXT_CTRL; |
| 217 | cl45_data |= LED_BCR_CLK_EN; |
| 218 | break; |
| 219 | default: |
| 220 | dev_err(dev, "LED mode%d is not supported!\n", mode); |
| 221 | return -EINVAL; |
| 222 | } |
| 223 | err = air_mii_cl45_write(phydev, 0x1f, LED_BCR, cl45_data); |
| 224 | if (err < 0) |
| 225 | return err; |
| 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | static int airoha_led_set_state(struct phy_device *phydev, u8 entity, u8 state) |
| 230 | { |
| 231 | u16 cl45_data = 0; |
| 232 | int err; |
| 233 | |
| 234 | cl45_data = air_mii_cl45_read(phydev, 0x1f, LED_ON_CTRL(entity)); |
| 235 | if (state == 1) |
| 236 | cl45_data |= LED_ON_EN; |
| 237 | else |
| 238 | cl45_data &= ~LED_ON_EN; |
| 239 | |
| 240 | err = air_mii_cl45_write(phydev, 0x1f, LED_ON_CTRL(entity), cl45_data); |
| 241 | if (err < 0) |
| 242 | return err; |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | static int en8811h_led_init(struct phy_device *phydev) |
| 247 | { |
| 248 | |
| 249 | unsigned long led_gpio = 0, reg_value = 0; |
| 250 | u16 cl45_data = led_dur; |
| 251 | int ret = 0, id; |
| 252 | struct device *dev = phydev_dev(phydev); |
| 253 | |
| 254 | ret = air_mii_cl45_write(phydev, 0x1f, LED_BLK_DUR, cl45_data); |
| 255 | if (ret < 0) |
| 256 | return ret; |
| 257 | cl45_data >>= 1; |
| 258 | ret = air_mii_cl45_write(phydev, 0x1f, LED_ON_DUR, cl45_data); |
| 259 | if (ret < 0) |
| 260 | return ret; |
| 261 | ret = airoha_led_set_mode(phydev, AIR_LED_MODE_USER_DEFINE); |
| 262 | if (ret != 0) { |
| 263 | dev_err(dev, "led_set_mode fail(ret:%d)!\n", ret); |
| 264 | return ret; |
| 265 | } |
| 266 | for (id = 0; id < EN8811H_LED_COUNT; id++) { |
| 267 | /* LED0 <-> GPIO5, LED1 <-> GPIO4, LED0 <-> GPIO3 */ |
| 268 | if (led_cfg[id].gpio != (id + (AIR_LED0_GPIO5 - (2 * id)))) { |
| 269 | dev_err(dev, "LED%d uses incorrect GPIO%d !\n", |
| 270 | id, led_cfg[id].gpio); |
| 271 | return -EINVAL; |
| 272 | } |
| 273 | ret = airoha_led_set_state(phydev, id, led_cfg[id].en); |
| 274 | if (ret != 0) { |
| 275 | dev_err(dev, "led_set_state fail(ret:%d)!\n", ret); |
| 276 | return ret; |
| 277 | } |
| 278 | if (led_cfg[id].en == 1) { |
| 279 | led_gpio |= BIT(led_cfg[id].gpio); |
| 280 | ret = airoha_led_set_usr_def(phydev, id, |
| 281 | led_cfg[id].pol, led_cfg[id].on_cfg, |
| 282 | led_cfg[id].blk_cfg); |
| 283 | if (ret != 0) { |
| 284 | dev_err(dev, "led_set_usr_def fail!\n"); |
| 285 | return ret; |
| 286 | } |
| 287 | } |
| 288 | } |
| 289 | reg_value = air_buckpbus_reg_read(phydev, 0xcf8b8) | led_gpio; |
| 290 | ret = air_buckpbus_reg_write(phydev, 0xcf8b8, reg_value); |
| 291 | if (ret < 0) |
| 292 | return ret; |
| 293 | dev_info(dev, "LED initialize OK !\n"); |
| 294 | return 0; |
| 295 | } |
| 296 | #endif /* AIR_LED_SUPPORT */ |
| 297 | #if (KERNEL_VERSION(4, 5, 0) < LINUX_VERSION_CODE) |
| 298 | static int en8811h_get_features(struct phy_device *phydev) |
| 299 | { |
| 300 | int ret; |
| 301 | struct device *dev = phydev_dev(phydev); |
| 302 | |
| 303 | dev_dbg(dev, "%s()\n", __func__); |
| 304 | ret = air_pbus_reg_write(phydev, 0xcf928, 0x0); |
| 305 | if (ret < 0) |
| 306 | return ret; |
| 307 | ret = genphy_read_abilities(phydev); |
| 308 | if (ret) |
| 309 | return ret; |
| 310 | /* EN8811H supports 100M/1G/2.5G speed. */ |
| 311 | linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, |
| 312 | phydev->supported); |
| 313 | linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, |
| 314 | phydev->supported); |
| 315 | linkmode_clear_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, |
| 316 | phydev->supported); |
| 317 | linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, |
| 318 | phydev->supported); |
| 319 | linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, |
| 320 | phydev->supported); |
| 321 | linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, |
| 322 | phydev->supported); |
| 323 | return 0; |
| 324 | } |
| 325 | #endif |
| 326 | |
| 327 | static int en8811h_probe(struct phy_device *phydev) |
| 328 | { |
| 329 | int ret = 0; |
| 330 | int reg_value, pid1 = 0, pid2 = 0; |
| 331 | u32 retry, pbus_value = 0; |
| 332 | struct device *dev = phydev_dev(phydev); |
| 333 | struct mii_bus *mbus = phydev_mdio_bus(phydev); |
| 334 | int addr = phydev_addr(phydev); |
| 335 | |
| 336 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 337 | struct en8811h_priv *priv; |
| 338 | |
| 339 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| 340 | if (!priv) |
| 341 | return -ENOMEM; |
| 342 | phydev->priv = priv; |
| 343 | #endif /*CONFIG_AIROHA_EN8811H_PHY_DEBUGFS*/ |
| 344 | ret = air_pbus_reg_write(phydev, 0xcf928, 0x0); |
| 345 | if (ret < 0) |
| 346 | return ret; |
| 347 | pid1 = air_mii_cl22_read(mbus, addr, MII_PHYSID1); |
| 348 | if (pid1 < 0) |
| 349 | return pid1; |
| 350 | pid2 = air_mii_cl22_read(mbus, addr, MII_PHYSID2); |
| 351 | if (pid2 < 0) |
| 352 | return pid2; |
| 353 | dev_info(dev, "PHY = %x - %x\n", pid1, pid2); |
| 354 | if ((pid1 != EN8811H_PHY_ID1) || (pid2 != EN8811H_PHY_ID2)) { |
| 355 | dev_err(dev, "EN8811H dose not exist !\n"); |
| 356 | return -ENODEV; |
| 357 | } |
| 358 | pbus_value = air_buckpbus_reg_read(phydev, 0xcf914); |
| 359 | dev_info(dev, "Bootmode: %s\n", |
| 360 | (GET_BIT(pbus_value, 24) ? "Flash" : "Download Code")); |
| 361 | |
| 362 | ret = en8811h_load_firmware(phydev); |
| 363 | if (ret < 0) { |
| 364 | dev_err(dev, "EN8811H load firmware fail.\n"); |
| 365 | return ret; |
| 366 | } |
| 367 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 368 | ret = airphy_debugfs_init(phydev); |
| 369 | if (ret < 0) { |
| 370 | dev_err(dev, "air_debug_procfs_init fail. (ret=%d)\n", ret); |
| 371 | air_debugfs_remove(phydev); |
| 372 | kfree(priv); |
| 373 | return ret; |
| 374 | } |
| 375 | #endif /* CONFIG_AIROHA_EN8811H_PHY_DEBUGFS */ |
| 376 | retry = MAX_RETRY; |
| 377 | do { |
| 378 | mdelay(300); |
| 379 | reg_value = air_mii_cl45_read(phydev, 0x1e, 0x8009); |
| 380 | if (reg_value == EN8811H_PHY_READY) { |
| 381 | dev_info(dev, "EN8811H PHY ready!\n"); |
| 382 | break; |
| 383 | } |
| 384 | retry--; |
| 385 | } while (retry); |
| 386 | if (retry == 0) { |
| 387 | dev_err(dev, "MD32 FW is not ready.(Status 0x%x)\n", reg_value); |
| 388 | pbus_value = air_buckpbus_reg_read(phydev, 0x3b3c); |
| 389 | dev_err(dev, |
| 390 | "Check MD32 FW Version(0x3b3c) : %08x\n", pbus_value); |
| 391 | dev_err(dev, |
| 392 | "EN8811H initialize fail!\n"); |
| 393 | return 0; |
| 394 | } |
| 395 | /* Mode selection*/ |
| 396 | dev_info(dev, "EN8811H Mode 1 !\n"); |
| 397 | ret = air_mii_cl45_write(phydev, 0x1e, 0x800c, 0x0); |
| 398 | if (ret < 0) |
| 399 | return ret; |
| 400 | ret = air_mii_cl45_write(phydev, 0x1e, 0x800d, 0x0); |
| 401 | if (ret < 0) |
| 402 | return ret; |
| 403 | ret = air_mii_cl45_write(phydev, 0x1e, 0x800e, 0x1101); |
| 404 | if (ret < 0) |
| 405 | return ret; |
| 406 | ret = air_mii_cl45_write(phydev, 0x1e, 0x800f, 0x0002); |
| 407 | if (ret < 0) |
| 408 | return ret; |
| 409 | /* Serdes polarity */ |
| 410 | pbus_value = air_buckpbus_reg_read(phydev, 0xca0f8); |
| 411 | pbus_value &= ~0x3; |
| 412 | pbus_value |= (EN8811H_RX_POL_NORMAL | EN8811H_TX_POL_NORMAL); |
| 413 | ret = air_buckpbus_reg_write(phydev, 0xca0f8, pbus_value); |
| 414 | if (ret < 0) |
| 415 | return ret; |
| 416 | pbus_value = air_buckpbus_reg_read(phydev, 0xca0f8); |
| 417 | dev_info(dev, "Tx, Rx Polarity : %08x\n", pbus_value); |
| 418 | pbus_value = air_buckpbus_reg_read(phydev, 0x3b3c); |
| 419 | dev_info(dev, "MD32 FW Version : %08x\n", pbus_value); |
| 420 | #if defined(AIR_LED_SUPPORT) |
| 421 | ret = en8811h_led_init(phydev); |
| 422 | if (ret < 0) { |
| 423 | dev_err(dev, "en8811h_led_init fail. (ret=%d)\n", ret); |
| 424 | return ret; |
| 425 | } |
| 426 | #endif |
| 427 | dev_info(dev, "EN8811H initialize OK! (%s)\n", EN8811H_DRIVER_VERSION); |
| 428 | return 0; |
| 429 | } |
| 430 | void en8811h_remove(struct phy_device *phydev) |
| 431 | { |
| 432 | #ifdef CONFIG_AIROHA_EN8811H_PHY_DEBUGFS |
| 433 | struct en8811h_priv *priv = phydev->priv; |
| 434 | struct device *dev = phydev_dev(phydev); |
| 435 | |
| 436 | dev_dbg(dev, "%s: start\n", __func__); |
| 437 | if (priv) { |
| 438 | dev_info(dev, "%s: air_debugfs_remove\n", __func__); |
| 439 | air_debugfs_remove(phydev); |
| 440 | kfree(priv); |
| 441 | } |
| 442 | #endif /*CONFIG_AIROHA_EN8811H_PHY_DEBUGFS*/ |
| 443 | } |
| 444 | |
| 445 | static struct phy_driver en8811h_driver[] = { |
| 446 | { |
| 447 | .phy_id = EN8811H_PHY_ID, |
| 448 | .name = "Airoha EN8811H", |
| 449 | .phy_id_mask = 0x0ffffff0, |
| 450 | .probe = en8811h_probe, |
| 451 | .remove = en8811h_remove, |
| 452 | #if (KERNEL_VERSION(4, 5, 0) < LINUX_VERSION_CODE) |
| 453 | .get_features = en8811h_get_features, |
| 454 | .read_mmd = air_mii_cl45_read, |
| 455 | .write_mmd = air_mii_cl45_write, |
| 456 | #endif |
| 457 | } }; |
| 458 | |
| 459 | int __init en8811h_phy_driver_register(void) |
| 460 | { |
| 461 | int ret; |
| 462 | #if (KERNEL_VERSION(4, 5, 0) > LINUX_VERSION_CODE) |
| 463 | ret = phy_driver_register(en8811h_driver); |
| 464 | #else |
| 465 | ret = phy_driver_register(en8811h_driver, THIS_MODULE); |
| 466 | #endif |
| 467 | if (!ret) |
| 468 | return 0; |
| 469 | |
| 470 | phy_driver_unregister(en8811h_driver); |
| 471 | return ret; |
| 472 | } |
| 473 | |
| 474 | void __exit en8811h_phy_driver_unregister(void) |
| 475 | { |
| 476 | phy_driver_unregister(en8811h_driver); |
| 477 | } |
| 478 | |
| 479 | module_init(en8811h_phy_driver_register); |
| 480 | module_exit(en8811h_phy_driver_unregister); |