package/kernel/mac80211/patches/327-v4.17-0007-brcmfmac-pass-struct-in-brcmf_fw_get_firmwares.patch

   1 From d09ae51a4b676151edaf572bcd5f272b5532639f Mon Sep 17 00:00:00 2001
   2 From: Arend Van Spriel <arend.vanspriel@broadcom.com>
   3 Date: Thu, 22 Mar 2018 21:28:26 +0100
   4 Subject: [PATCH] brcmfmac: pass struct in brcmf_fw_get_firmwares()
   5
   6 Make the function brcmf_fw_get_firmwares() a bit more easy to extend
   7 using a structure to pass the request parameters.
   8
   9 Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
  10 Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
  11 Reviewed-by: Franky Lin <franky.lin@broadcom.com>
  12 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  13 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  14 ---
  15  .../broadcom/brcm80211/brcmfmac/firmware.c         | 175 ++++++++++++++-------
  16  .../broadcom/brcm80211/brcmfmac/firmware.h         |  43 +++--
  17  .../wireless/broadcom/brcm80211/brcmfmac/pcie.c    |  38 ++++-
  18  .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    |  32 +++-
  19  .../net/wireless/broadcom/brcm80211/brcmfmac/usb.c |  43 ++++-
  20  5 files changed, 245 insertions(+), 86 deletions(-)
  21
  22 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
  23 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
  24 @@ -438,18 +438,31 @@ void brcmf_fw_nvram_free(void *nvram)
  25
  26  struct brcmf_fw {
  27         struct device *dev;
  28 -       u16 flags;
  29 -       const struct firmware *code;
  30 -       const char *nvram_name;
  31 -       u16 domain_nr;
  32 -       u16 bus_nr;
  33 -       void (*done)(struct device *dev, int err, const struct firmware *fw,
  34 -                    void *nvram_image, u32 nvram_len);
  35 +       struct brcmf_fw_request *req;
  36 +       u32 curpos;
  37 +       void (*done)(struct device *dev, int err, struct brcmf_fw_request *req);
  38  };
  39
  40 +static void brcmf_fw_request_done(const struct firmware *fw, void *ctx);
  41 +
  42 +static void brcmf_fw_free_request(struct brcmf_fw_request *req)
  43 +{
  44 +       struct brcmf_fw_item *item;
  45 +       int i;
  46 +
  47 +       for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) {
  48 +               if (item->type == BRCMF_FW_TYPE_BINARY)
  49 +                       release_firmware(item->binary);
  50 +               else if (item->type == BRCMF_FW_TYPE_NVRAM)
  51 +                       brcmf_fw_nvram_free(item->nv_data.data);
  52 +       }
  53 +       kfree(req);
  54 +}
  55 +
  56  static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
  57  {
  58         struct brcmf_fw *fwctx = ctx;
  59 +       struct brcmf_fw_item *cur;
  60         u32 nvram_length = 0;
  61         void *nvram = NULL;
  62         u8 *data = NULL;
  63 @@ -457,83 +470,150 @@ static void brcmf_fw_request_nvram_done(
  64         bool raw_nvram;
  65
  66         brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
  67 +
  68 +       cur = &fwctx->req->items[fwctx->curpos];
  69 +
  70         if (fw && fw->data) {
  71                 data = (u8 *)fw->data;
  72                 data_len = fw->size;
  73                 raw_nvram = false;
  74         } else {
  75                 data = bcm47xx_nvram_get_contents(&data_len);
  76 -               if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
  77 +               if (!data && !(cur->flags & BRCMF_FW_REQF_OPTIONAL))
  78                         goto fail;
  79                 raw_nvram = true;
  80         }
  81
  82         if (data)
  83                 nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
  84 -                                            fwctx->domain_nr, fwctx->bus_nr);
  85 +                                            fwctx->req->domain_nr,
  86 +                                            fwctx->req->bus_nr);
  87
  88         if (raw_nvram)
  89                 bcm47xx_nvram_release_contents(data);
  90         release_firmware(fw);
  91 -       if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
  92 +       if (!nvram && !(cur->flags & BRCMF_FW_REQF_OPTIONAL))
  93                 goto fail;
  94
  95 -       fwctx->done(fwctx->dev, 0, fwctx->code, nvram, nvram_length);
  96 -       kfree(fwctx);
  97 +       brcmf_dbg(TRACE, "nvram %p len %d\n", nvram, nvram_length);
  98 +       cur->nv_data.data = nvram;
  99 +       cur->nv_data.len = nvram_length;
 100         return;
 101
 102  fail:
 103         brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
 104 -       release_firmware(fwctx->code);
 105 -       fwctx->done(fwctx->dev, -ENOENT, NULL, NULL, 0);
 106 +       fwctx->done(fwctx->dev, -ENOENT, NULL);
 107 +       brcmf_fw_free_request(fwctx->req);
 108         kfree(fwctx);
 109  }
 110
 111 -static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx)
 112 +static int brcmf_fw_request_next_item(struct brcmf_fw *fwctx, bool async)
 113 +{
 114 +       struct brcmf_fw_item *cur;
 115 +       const struct firmware *fw = NULL;
 116 +       int ret;
 117 +
 118 +       cur = &fwctx->req->items[fwctx->curpos];
 119 +
 120 +       brcmf_dbg(TRACE, "%srequest for %s\n", async ? "async " : "",
 121 +                 cur->path);
 122 +
 123 +       if (async)
 124 +               ret = request_firmware_nowait(THIS_MODULE, true, cur->path,
 125 +                                             fwctx->dev, GFP_KERNEL, fwctx,
 126 +                                             brcmf_fw_request_done);
 127 +       else
 128 +               ret = request_firmware(&fw, cur->path, fwctx->dev);
 129 +
 130 +       if (ret < 0) {
 131 +               brcmf_fw_request_done(NULL, fwctx);
 132 +       } else if (!async && fw) {
 133 +               brcmf_dbg(TRACE, "firmware %s %sfound\n", cur->path,
 134 +                         fw ? "" : "not ");
 135 +               if (cur->type == BRCMF_FW_TYPE_BINARY)
 136 +                       cur->binary = fw;
 137 +               else if (cur->type == BRCMF_FW_TYPE_NVRAM)
 138 +                       brcmf_fw_request_nvram_done(fw, fwctx);
 139 +               else
 140 +                       release_firmware(fw);
 141 +
 142 +               return -EAGAIN;
 143 +       }
 144 +       return 0;
 145 +}
 146 +
 147 +static void brcmf_fw_request_done(const struct firmware *fw, void *ctx)
 148  {
 149         struct brcmf_fw *fwctx = ctx;
 150 +       struct brcmf_fw_item *cur;
 151         int ret = 0;
 152
 153 -       brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
 154 -       if (!fw) {
 155 +       cur = &fwctx->req->items[fwctx->curpos];
 156 +
 157 +       brcmf_dbg(TRACE, "enter: firmware %s %sfound\n", cur->path,
 158 +                 fw ? "" : "not ");
 159 +
 160 +       if (fw) {
 161 +               if (cur->type == BRCMF_FW_TYPE_BINARY)
 162 +                       cur->binary = fw;
 163 +               else if (cur->type == BRCMF_FW_TYPE_NVRAM)
 164 +                       brcmf_fw_request_nvram_done(fw, fwctx);
 165 +               else
 166 +                       release_firmware(fw);
 167 +       } else if (cur->type == BRCMF_FW_TYPE_NVRAM) {
 168 +               brcmf_fw_request_nvram_done(NULL, fwctx);
 169 +       } else if (!(cur->flags & BRCMF_FW_REQF_OPTIONAL)) {
 170                 ret = -ENOENT;
 171                 goto fail;
 172         }
 173 -       /* only requested code so done here */
 174 -       if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM))
 175 -               goto done;
 176 -
 177 -       fwctx->code = fw;
 178 -       ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name,
 179 -                                     fwctx->dev, GFP_KERNEL, fwctx,
 180 -                                     brcmf_fw_request_nvram_done);
 181
 182 -       /* pass NULL to nvram callback for bcm47xx fallback */
 183 -       if (ret)
 184 -               brcmf_fw_request_nvram_done(NULL, fwctx);
 185 +       do {
 186 +               if (++fwctx->curpos == fwctx->req->n_items) {
 187 +                       ret = 0;
 188 +                       goto done;
 189 +               }
 190 +
 191 +               ret = brcmf_fw_request_next_item(fwctx, false);
 192 +       } while (ret == -EAGAIN);
 193 +
 194         return;
 195
 196  fail:
 197 -       brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
 198 +       brcmf_dbg(TRACE, "failed err=%d: dev=%s, fw=%s\n", ret,
 199 +                 dev_name(fwctx->dev), cur->path);
 200 +       brcmf_fw_free_request(fwctx->req);
 201 +       fwctx->req = NULL;
 202  done:
 203 -       fwctx->done(fwctx->dev, ret, fw, NULL, 0);
 204 +       fwctx->done(fwctx->dev, ret, fwctx->req);
 205         kfree(fwctx);
 206  }
 207
 208 -int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags,
 209 -                               const char *code, const char *nvram,
 210 -                               void (*fw_cb)(struct device *dev, int err,
 211 -                                             const struct firmware *fw,
 212 -                                             void *nvram_image, u32 nvram_len),
 213 -                               u16 domain_nr, u16 bus_nr)
 214 +static bool brcmf_fw_request_is_valid(struct brcmf_fw_request *req)
 215 +{
 216 +       struct brcmf_fw_item *item;
 217 +       int i;
 218 +
 219 +       if (!req->n_items)
 220 +               return false;
 221 +
 222 +       for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) {
 223 +               if (!item->path)
 224 +                       return false;
 225 +       }
 226 +       return true;
 227 +}
 228 +
 229 +int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req,
 230 +                          void (*fw_cb)(struct device *dev, int err,
 231 +                                        struct brcmf_fw_request *req))
 232  {
 233         struct brcmf_fw *fwctx;
 234
 235         brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
 236 -       if (!fw_cb || !code)
 237 +       if (!fw_cb)
 238                 return -EINVAL;
 239
 240 -       if ((flags & BRCMF_FW_REQUEST_NVRAM) && !nvram)
 241 +       if (!brcmf_fw_request_is_valid(req))
 242                 return -EINVAL;
 243
 244         fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL);
 245 @@ -541,26 +621,11 @@ int brcmf_fw_get_firmwares_pcie(struct d
 246                 return -ENOMEM;
 247
 248         fwctx->dev = dev;
 249 -       fwctx->flags = flags;
 250 +       fwctx->req = req;
 251         fwctx->done = fw_cb;
 252 -       if (flags & BRCMF_FW_REQUEST_NVRAM)
 253 -               fwctx->nvram_name = nvram;
 254 -       fwctx->domain_nr = domain_nr;
 255 -       fwctx->bus_nr = bus_nr;
 256 -
 257 -       return request_firmware_nowait(THIS_MODULE, true, code, dev,
 258 -                                      GFP_KERNEL, fwctx,
 259 -                                      brcmf_fw_request_code_done);
 260 -}
 261
 262 -int brcmf_fw_get_firmwares(struct device *dev, u16 flags,
 263 -                          const char *code, const char *nvram,
 264 -                          void (*fw_cb)(struct device *dev, int err,
 265 -                                        const struct firmware *fw,
 266 -                                        void *nvram_image, u32 nvram_len))
 267 -{
 268 -       return brcmf_fw_get_firmwares_pcie(dev, flags, code, nvram, fw_cb, 0,
 269 -                                          0);
 270 +       brcmf_fw_request_next_item(fwctx, true);
 271 +       return 0;
 272  }
 273
 274  static void brcmf_fw_get_full_name(char fw_name[BRCMF_FW_NAME_LEN],
 275 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h
 276 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h
 277 @@ -16,10 +16,7 @@
 278  #ifndef BRCMFMAC_FIRMWARE_H
 279  #define BRCMFMAC_FIRMWARE_H
 280
 281 -#define BRCMF_FW_REQUEST               0x000F
 282 -#define  BRCMF_FW_REQUEST_NVRAM                0x0001
 283 -#define BRCMF_FW_REQ_FLAGS             0x00F0
 284 -#define  BRCMF_FW_REQ_NV_OPTIONAL      0x0010
 285 +#define BRCMF_FW_REQF_OPTIONAL         0x0001
 286
 287  #define        BRCMF_FW_NAME_LEN               320
 288
 289 @@ -54,21 +51,39 @@ int brcmf_fw_map_chip_to_name(u32 chip,
 290                               u32 table_size, char fw_name[BRCMF_FW_NAME_LEN],
 291                               char nvram_name[BRCMF_FW_NAME_LEN]);
 292  void brcmf_fw_nvram_free(void *nvram);
 293 +
 294 +enum brcmf_fw_type {
 295 +       BRCMF_FW_TYPE_BINARY,
 296 +       BRCMF_FW_TYPE_NVRAM
 297 +};
 298 +
 299 +struct brcmf_fw_item {
 300 +       const char *path;
 301 +       enum brcmf_fw_type type;
 302 +       u16 flags;
 303 +       union {
 304 +               const struct firmware *binary;
 305 +               struct {
 306 +                       void *data;
 307 +                       u32 len;
 308 +               } nv_data;
 309 +       };
 310 +};
 311 +
 312 +struct brcmf_fw_request {
 313 +       u16 domain_nr;
 314 +       u16 bus_nr;
 315 +       u32 n_items;
 316 +       struct brcmf_fw_item items[0];
 317 +};
 318 +
 319  /*
 320   * Request firmware(s) asynchronously. When the asynchronous request
 321   * fails it will not use the callback, but call device_release_driver()
 322   * instead which will call the driver .remove() callback.
 323   */
 324 -int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags,
 325 -                               const char *code, const char *nvram,
 326 -                               void (*fw_cb)(struct device *dev, int err,
 327 -                                             const struct firmware *fw,
 328 -                                             void *nvram_image, u32 nvram_len),
 329 -                               u16 domain_nr, u16 bus_nr);
 330 -int brcmf_fw_get_firmwares(struct device *dev, u16 flags,
 331 -                          const char *code, const char *nvram,
 332 +int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req,
 333                            void (*fw_cb)(struct device *dev, int err,
 334 -                                        const struct firmware *fw,
 335 -                                        void *nvram_image, u32 nvram_len));
 336 +                                        struct brcmf_fw_request *req));
 337
 338  #endif /* BRCMFMAC_FIRMWARE_H */
 339 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
 340 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
 341 @@ -1651,15 +1651,19 @@ static const struct brcmf_buscore_ops br
 342         .write32 = brcmf_pcie_buscore_write32,
 343  };
 344
 345 +#define BRCMF_PCIE_FW_CODE     0
 346 +#define BRCMF_PCIE_FW_NVRAM    1
 347 +
 348  static void brcmf_pcie_setup(struct device *dev, int ret,
 349 -                            const struct firmware *fw,
 350 -                            void *nvram, u32 nvram_len)
 351 +                            struct brcmf_fw_request *fwreq)
 352  {
 353 +       const struct firmware *fw;
 354 +       void *nvram;
 355         struct brcmf_bus *bus;
 356         struct brcmf_pciedev *pcie_bus_dev;
 357         struct brcmf_pciedev_info *devinfo;
 358         struct brcmf_commonring **flowrings;
 359 -       u32 i;
 360 +       u32 i, nvram_len;
 361
 362         /* check firmware loading result */
 363         if (ret)
 364 @@ -1670,6 +1674,11 @@ static void brcmf_pcie_setup(struct devi
 365         devinfo = pcie_bus_dev->devinfo;
 366         brcmf_pcie_attach(devinfo);
 367
 368 +       fw = fwreq->items[BRCMF_PCIE_FW_CODE].binary;
 369 +       nvram = fwreq->items[BRCMF_PCIE_FW_NVRAM].nv_data.data;
 370 +       nvram_len = fwreq->items[BRCMF_PCIE_FW_NVRAM].nv_data.len;
 371 +       kfree(fwreq);
 372 +
 373         /* Some of the firmwares have the size of the memory of the device
 374          * defined inside the firmware. This is because part of the memory in
 375          * the device is shared and the devision is determined by FW. Parse
 376 @@ -1730,6 +1739,7 @@ static int
 377  brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 378  {
 379         int ret;
 380 +       struct brcmf_fw_request *fwreq;
 381         struct brcmf_pciedev_info *devinfo;
 382         struct brcmf_pciedev *pcie_bus_dev;
 383         struct brcmf_bus *bus;
 384 @@ -1800,12 +1810,26 @@ brcmf_pcie_probe(struct pci_dev *pdev, c
 385         if (ret)
 386                 goto fail_bus;
 387
 388 -       ret = brcmf_fw_get_firmwares_pcie(bus->dev, BRCMF_FW_REQUEST_NVRAM |
 389 -                                                   BRCMF_FW_REQ_NV_OPTIONAL,
 390 -                                         devinfo->fw_name, devinfo->nvram_name,
 391 -                                         brcmf_pcie_setup, domain_nr, bus_nr);
 392 +       fwreq = kzalloc(sizeof(*fwreq) + 2 * sizeof(struct brcmf_fw_item),
 393 +                       GFP_KERNEL);
 394 +       if (!fwreq) {
 395 +               ret = -ENOMEM;
 396 +               goto fail_bus;
 397 +       }
 398 +
 399 +       fwreq->items[BRCMF_PCIE_FW_CODE].path = devinfo->fw_name;
 400 +       fwreq->items[BRCMF_PCIE_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
 401 +       fwreq->items[BRCMF_PCIE_FW_NVRAM].path = devinfo->nvram_name;
 402 +       fwreq->items[BRCMF_PCIE_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
 403 +       fwreq->items[BRCMF_PCIE_FW_NVRAM].flags = BRCMF_FW_REQF_OPTIONAL;
 404 +       fwreq->n_items = 2;
 405 +       fwreq->domain_nr = domain_nr;
 406 +       fwreq->bus_nr = bus_nr;
 407 +       ret = brcmf_fw_get_firmwares(bus->dev, fwreq, brcmf_pcie_setup);
 408         if (ret == 0)
 409                 return 0;
 410 +
 411 +       kfree(fwreq);
 412  fail_bus:
 413         kfree(bus->msgbuf);
 414         kfree(bus);
 415 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
 416 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
 417 @@ -4031,14 +4031,19 @@ static const struct brcmf_bus_ops brcmf_
 418         .get_fwname = brcmf_sdio_get_fwname,
 419  };
 420
 421 +#define BRCMF_SDIO_FW_CODE     0
 422 +#define BRCMF_SDIO_FW_NVRAM    1
 423 +
 424  static void brcmf_sdio_firmware_callback(struct device *dev, int err,
 425 -                                        const struct firmware *code,
 426 -                                        void *nvram, u32 nvram_len)
 427 +                                        struct brcmf_fw_request *fwreq)
 428  {
 429         struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 430         struct brcmf_sdio_dev *sdiod = bus_if->bus_priv.sdio;
 431         struct brcmf_sdio *bus = sdiod->bus;
 432         struct brcmf_core *core = bus->sdio_core;
 433 +       const struct firmware *code;
 434 +       void *nvram;
 435 +       u32 nvram_len;
 436         u8 saveclk;
 437
 438         brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err);
 439 @@ -4046,6 +4051,11 @@ static void brcmf_sdio_firmware_callback
 440         if (err)
 441                 goto fail;
 442
 443 +       code = fwreq->items[BRCMF_SDIO_FW_CODE].binary;
 444 +       nvram = fwreq->items[BRCMF_SDIO_FW_NVRAM].nv_data.data;
 445 +       nvram_len = fwreq->items[BRCMF_SDIO_FW_NVRAM].nv_data.len;
 446 +       kfree(fwreq);
 447 +
 448         /* try to download image and nvram to the dongle */
 449         bus->alp_only = true;
 450         err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len);
 451 @@ -4150,6 +4160,7 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
 452         int ret;
 453         struct brcmf_sdio *bus;
 454         struct workqueue_struct *wq;
 455 +       struct brcmf_fw_request *fwreq;
 456
 457         brcmf_dbg(TRACE, "Enter\n");
 458
 459 @@ -4240,11 +4251,24 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
 460         if (ret)
 461                 goto fail;
 462
 463 -       ret = brcmf_fw_get_firmwares(sdiodev->dev, BRCMF_FW_REQUEST_NVRAM,
 464 -                                    sdiodev->fw_name, sdiodev->nvram_name,
 465 +       fwreq = kzalloc(sizeof(fwreq) + 2 * sizeof(struct brcmf_fw_item),
 466 +                       GFP_KERNEL);
 467 +       if (!fwreq) {
 468 +               ret = -ENOMEM;
 469 +               goto fail;
 470 +       }
 471 +
 472 +       fwreq->items[BRCMF_SDIO_FW_CODE].path = sdiodev->fw_name;
 473 +       fwreq->items[BRCMF_SDIO_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
 474 +       fwreq->items[BRCMF_SDIO_FW_NVRAM].path = sdiodev->nvram_name;
 475 +       fwreq->items[BRCMF_SDIO_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
 476 +       fwreq->n_items = 2;
 477 +
 478 +       ret = brcmf_fw_get_firmwares(sdiodev->dev, fwreq,
 479                                      brcmf_sdio_firmware_callback);
 480         if (ret != 0) {
 481                 brcmf_err("async firmware request failed: %d\n", ret);
 482 +               kfree(fwreq);
 483                 goto fail;
 484         }
 485
 486 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
 487 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
 488 @@ -1155,18 +1155,23 @@ static const struct brcmf_bus_ops brcmf_
 489         .get_fwname = brcmf_usb_get_fwname,
 490  };
 491
 492 +#define BRCMF_USB_FW_CODE      0
 493 +
 494  static void brcmf_usb_probe_phase2(struct device *dev, int ret,
 495 -                                  const struct firmware *fw,
 496 -                                  void *nvram, u32 nvlen)
 497 +                                  struct brcmf_fw_request *fwreq)
 498  {
 499         struct brcmf_bus *bus = dev_get_drvdata(dev);
 500         struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo;
 501 +       const struct firmware *fw;
 502
 503         if (ret)
 504                 goto error;
 505
 506         brcmf_dbg(USB, "Start fw downloading\n");
 507
 508 +       fw = fwreq->items[BRCMF_USB_FW_CODE].binary;
 509 +       kfree(fwreq);
 510 +
 511         ret = check_file(fw->data);
 512         if (ret < 0) {
 513                 brcmf_err("invalid firmware\n");
 514 @@ -1200,6 +1205,7 @@ static int brcmf_usb_probe_cb(struct brc
 515         struct brcmf_bus *bus = NULL;
 516         struct brcmf_usbdev *bus_pub = NULL;
 517         struct device *dev = devinfo->dev;
 518 +       struct brcmf_fw_request *fwreq;
 519         int ret;
 520
 521         brcmf_dbg(USB, "Enter\n");
 522 @@ -1250,11 +1256,22 @@ static int brcmf_usb_probe_cb(struct brc
 523         if (ret)
 524                 goto fail;
 525
 526 +       fwreq = kzalloc(sizeof(*fwreq) + sizeof(struct brcmf_fw_item),
 527 +                       GFP_KERNEL);
 528 +       if (!fwreq) {
 529 +               ret = -ENOMEM;
 530 +               goto fail;
 531 +       }
 532 +
 533 +       fwreq->items[BRCMF_USB_FW_CODE].path = devinfo->fw_name;
 534 +       fwreq->items[BRCMF_USB_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
 535 +       fwreq->n_items = 1;
 536 +
 537         /* request firmware here */
 538 -       ret = brcmf_fw_get_firmwares(dev, 0, devinfo->fw_name, NULL,
 539 -                                    brcmf_usb_probe_phase2);
 540 +       ret = brcmf_fw_get_firmwares(dev, fwreq, brcmf_usb_probe_phase2);
 541         if (ret) {
 542                 brcmf_err("firmware request failed: %d\n", ret);
 543 +               kfree(fwreq);
 544                 goto fail;
 545         }
 546
 547 @@ -1447,11 +1464,25 @@ static int brcmf_usb_reset_resume(struct
 548  {
 549         struct usb_device *usb = interface_to_usbdev(intf);
 550         struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
 551 +       struct brcmf_fw_request *fwreq;
 552 +       int ret;
 553
 554         brcmf_dbg(USB, "Enter\n");
 555
 556 -       return brcmf_fw_get_firmwares(&usb->dev, 0, devinfo->fw_name, NULL,
 557 -                                     brcmf_usb_probe_phase2);
 558 +       fwreq = kzalloc(sizeof(*fwreq) + sizeof(struct brcmf_fw_item),
 559 +                       GFP_KERNEL);
 560 +       if (!fwreq)
 561 +               return -ENOMEM;
 562 +
 563 +       fwreq->items[BRCMF_USB_FW_CODE].path = devinfo->fw_name;
 564 +       fwreq->items[BRCMF_USB_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
 565 +       fwreq->n_items = 1;
 566 +
 567 +       ret = brcmf_fw_get_firmwares(&usb->dev, fwreq, brcmf_usb_probe_phase2);
 568 +       if (ret < 0)
 569 +               kfree(fwreq);
 570 +
 571 +       return ret;
 572  }
 573
 574  #define BRCMF_USB_DEVICE(dev_id)       \