package/kernel/mac80211/patches/327-v4.17-0009-brcmfmac-add-extension-to-.get_fwname-callbacks.patch

   1 From bf7a7b37f6ef5090a2bae7e7ae23cd26b741cca4 Mon Sep 17 00:00:00 2001
   2 From: Arend Van Spriel <arend.vanspriel@broadcom.com>
   3 Date: Thu, 22 Mar 2018 21:28:28 +0100
   4 Subject: [PATCH] brcmfmac: add extension to .get_fwname() callbacks
   5
   6 This changes the bus layer api by having the caller provide an
   7 extension. With this the callback can use brcmf_fw_alloc_request()
   8 to get the needed firmware name.
   9
  10 Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
  11 Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
  12 Reviewed-by: Franky Lin <franky.lin@broadcom.com>
  13 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  14 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  15 ---
  16  .../net/wireless/broadcom/brcm80211/brcmfmac/bus.h |  6 +--
  17  .../wireless/broadcom/brcm80211/brcmfmac/common.c  | 43 +++-------------------
  18  .../wireless/broadcom/brcm80211/brcmfmac/pcie.c    | 27 +++++++-------
  19  .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    | 26 +++++++------
  20  .../net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 27 ++++++++------
  21  5 files changed, 51 insertions(+), 78 deletions(-)
  22
  23 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
  24 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
  25 @@ -88,7 +88,7 @@ struct brcmf_bus_ops {
  26         void (*wowl_config)(struct device *dev, bool enabled);
  27         size_t (*get_ramsize)(struct device *dev);
  28         int (*get_memdump)(struct device *dev, void *data, size_t len);
  29 -       int (*get_fwname)(struct device *dev, uint chip, uint chiprev,
  30 +       int (*get_fwname)(struct device *dev, const char *ext,
  31                           unsigned char *fw_name);
  32  };
  33
  34 @@ -228,10 +228,10 @@ int brcmf_bus_get_memdump(struct brcmf_b
  35  }
  36
  37  static inline
  38 -int brcmf_bus_get_fwname(struct brcmf_bus *bus, uint chip, uint chiprev,
  39 +int brcmf_bus_get_fwname(struct brcmf_bus *bus, const char *ext,
  40                          unsigned char *fw_name)
  41  {
  42 -       return bus->ops->get_fwname(bus->dev, chip, chiprev, fw_name);
  43 +       return bus->ops->get_fwname(bus->dev, ext, fw_name);
  44  }
  45
  46  /*
  47 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
  48 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
  49 @@ -129,42 +129,9 @@ static int brcmf_c_download(struct brcmf
  50         return err;
  51  }
  52
  53 -static int brcmf_c_get_clm_name(struct brcmf_if *ifp, u8 *clm_name)
  54 -{
  55 -       struct brcmf_bus *bus = ifp->drvr->bus_if;
  56 -       u8 fw_name[BRCMF_FW_NAME_LEN];
  57 -       u8 *ptr;
  58 -       size_t len;
  59 -       s32 err;
  60 -
  61 -       memset(fw_name, 0, BRCMF_FW_NAME_LEN);
  62 -       err = brcmf_bus_get_fwname(bus, bus->chip, bus->chiprev, fw_name);
  63 -       if (err) {
  64 -               brcmf_err("get firmware name failed (%d)\n", err);
  65 -               goto done;
  66 -       }
  67 -
  68 -       /* generate CLM blob file name */
  69 -       ptr = strrchr(fw_name, '.');
  70 -       if (!ptr) {
  71 -               err = -ENOENT;
  72 -               goto done;
  73 -       }
  74 -
  75 -       len = ptr - fw_name + 1;
  76 -       if (len + strlen(".clm_blob") > BRCMF_FW_NAME_LEN) {
  77 -               err = -E2BIG;
  78 -       } else {
  79 -               strlcpy(clm_name, fw_name, len);
  80 -               strlcat(clm_name, ".clm_blob", BRCMF_FW_NAME_LEN);
  81 -       }
  82 -done:
  83 -       return err;
  84 -}
  85 -
  86  static int brcmf_c_process_clm_blob(struct brcmf_if *ifp)
  87  {
  88 -       struct device *dev = ifp->drvr->bus_if->dev;
  89 +       struct brcmf_bus *bus = ifp->drvr->bus_if;
  90         struct brcmf_dload_data_le *chunk_buf;
  91         const struct firmware *clm = NULL;
  92         u8 clm_name[BRCMF_FW_NAME_LEN];
  93 @@ -177,16 +144,16 @@ static int brcmf_c_process_clm_blob(stru
  94
  95         brcmf_dbg(TRACE, "Enter\n");
  96
  97 -       memset(clm_name, 0, BRCMF_FW_NAME_LEN);
  98 -       err = brcmf_c_get_clm_name(ifp, clm_name);
  99 +       memset(clm_name, 0, sizeof(clm_name));
 100 +       err = brcmf_bus_get_fwname(bus, ".clm_blob", clm_name);
 101         if (err) {
 102                 brcmf_err("get CLM blob file name failed (%d)\n", err);
 103                 return err;
 104         }
 105
 106 -       err = request_firmware(&clm, clm_name, dev);
 107 +       err = request_firmware(&clm, clm_name, bus->dev);
 108         if (err) {
 109 -               brcmf_info("no clm_blob available(err=%d), device may have limited channels available\n",
 110 +               brcmf_info("no clm_blob available (err=%d), device may have limited channels available\n",
 111                            err);
 112                 return 0;
 113         }
 114 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
 115 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
 116 @@ -1350,23 +1350,24 @@ static int brcmf_pcie_get_memdump(struct
 117         return 0;
 118  }
 119
 120 -static int brcmf_pcie_get_fwname(struct device *dev, u32 chip, u32 chiprev,
 121 -                                u8 *fw_name)
 122 +static
 123 +int brcmf_pcie_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
 124  {
 125         struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 126 -       struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie;
 127 -       struct brcmf_pciedev_info *devinfo = buspub->devinfo;
 128 -       int ret = 0;
 129 +       struct brcmf_fw_request *fwreq;
 130 +       struct brcmf_fw_name fwnames[] = {
 131 +               { ext, fw_name },
 132 +       };
 133
 134 -       if (devinfo->fw_name[0] != '\0')
 135 -               strlcpy(fw_name, devinfo->fw_name, BRCMF_FW_NAME_LEN);
 136 -       else
 137 -               ret = brcmf_fw_map_chip_to_name(chip, chiprev,
 138 -                                               brcmf_pcie_fwnames,
 139 -                                               ARRAY_SIZE(brcmf_pcie_fwnames),
 140 -                                               fw_name, NULL);
 141 +       fwreq = brcmf_fw_alloc_request(bus_if->chip, bus_if->chiprev,
 142 +                                      brcmf_pcie_fwnames,
 143 +                                      ARRAY_SIZE(brcmf_pcie_fwnames),
 144 +                                      fwnames, ARRAY_SIZE(fwnames));
 145 +       if (!fwreq)
 146 +               return -ENOMEM;
 147
 148 -       return ret;
 149 +       kfree(fwreq);
 150 +       return 0;
 151  }
 152
 153  static const struct brcmf_bus_ops brcmf_pcie_bus_ops = {
 154 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
 155 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
 156 @@ -4000,22 +4000,24 @@ brcmf_sdio_watchdog(unsigned long data)
 157         }
 158  }
 159
 160 -static int brcmf_sdio_get_fwname(struct device *dev, u32 chip, u32 chiprev,
 161 -                                u8 *fw_name)
 162 +static
 163 +int brcmf_sdio_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
 164  {
 165         struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 166 -       struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
 167 -       int ret = 0;
 168 +       struct brcmf_fw_request *fwreq;
 169 +       struct brcmf_fw_name fwnames[] = {
 170 +               { ext, fw_name },
 171 +       };
 172
 173 -       if (sdiodev->fw_name[0] != '\0')
 174 -               strlcpy(fw_name, sdiodev->fw_name, BRCMF_FW_NAME_LEN);
 175 -       else
 176 -               ret = brcmf_fw_map_chip_to_name(chip, chiprev,
 177 -                                               brcmf_sdio_fwnames,
 178 -                                               ARRAY_SIZE(brcmf_sdio_fwnames),
 179 -                                               fw_name, NULL);
 180 +       fwreq = brcmf_fw_alloc_request(bus_if->chip, bus_if->chiprev,
 181 +                                      brcmf_sdio_fwnames,
 182 +                                      ARRAY_SIZE(brcmf_sdio_fwnames),
 183 +                                      fwnames, ARRAY_SIZE(fwnames));
 184 +       if (!fwreq)
 185 +               return -ENOMEM;
 186
 187 -       return ret;
 188 +       kfree(fwreq);
 189 +       return 0;
 190  }
 191
 192  static const struct brcmf_bus_ops brcmf_sdio_bus_ops = {
 193 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
 194 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
 195 @@ -1128,21 +1128,24 @@ static void brcmf_usb_wowl_config(struct
 196                 device_set_wakeup_enable(devinfo->dev, false);
 197  }
 198
 199 -static int brcmf_usb_get_fwname(struct device *dev, u32 chip, u32 chiprev,
 200 -                               u8 *fw_name)
 201 +static
 202 +int brcmf_usb_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
 203  {
 204 -       struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
 205 -       int ret = 0;
 206 +       struct brcmf_bus *bus = dev_get_drvdata(dev);
 207 +       struct brcmf_fw_request *fwreq;
 208 +       struct brcmf_fw_name fwnames[] = {
 209 +               { ext, fw_name },
 210 +       };
 211
 212 -       if (devinfo->fw_name[0] != '\0')
 213 -               strlcpy(fw_name, devinfo->fw_name, BRCMF_FW_NAME_LEN);
 214 -       else
 215 -               ret = brcmf_fw_map_chip_to_name(chip, chiprev,
 216 -                                               brcmf_usb_fwnames,
 217 -                                               ARRAY_SIZE(brcmf_usb_fwnames),
 218 -                                               fw_name, NULL);
 219 +       fwreq = brcmf_fw_alloc_request(bus->chip, bus->chiprev,
 220 +                                      brcmf_usb_fwnames,
 221 +                                      ARRAY_SIZE(brcmf_usb_fwnames),
 222 +                                      fwnames, ARRAY_SIZE(fwnames));
 223 +       if (!fwreq)
 224 +               return -ENOMEM;
 225
 226 -       return ret;
 227 +       kfree(fwreq);
 228 +       return 0;
 229  }
 230
 231  static const struct brcmf_bus_ops brcmf_usb_bus_ops = {