package/kernel/mac80211/patches/861-brcmfmac-register-wiphy-s-during-module_init.patch

   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   2 Date: Mon, 8 Jun 2015 16:11:40 +0200
   3 Subject: [PATCH] brcmfmac: register wiphy(s) during module_init
   4 MIME-Version: 1.0
   5 Content-Type: text/plain; charset=UTF-8
   6 Content-Transfer-Encoding: 8bit
   7
   8 This is needed by OpenWrt which expects all PHYs to be created after
   9 module loads successfully.
  10
  11 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  12 ---
  13
  14 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.c
  15 +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c
  16 @@ -1213,6 +1213,7 @@ static int __init brcmfmac_module_init(v
  17  #endif
  18         if (!schedule_work(&brcmf_driver_work))
  19                 return -EBUSY;
  20 +       flush_work(&brcmf_driver_work);
  21
  22         return 0;
  23  }
  24 --- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
  25 +++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
  26 @@ -422,13 +422,14 @@ struct brcmf_fw {
  27         u16 bus_nr;
  28         void (*done)(struct device *dev, const struct firmware *fw,
  29                      void *nvram_image, u32 nvram_len);
  30 +       struct completion *completion;
  31  };
  32
  33  static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
  34  {
  35         struct brcmf_fw *fwctx = ctx;
  36  #if IS_ENABLED(CONFIG_BCM47XX_NVRAM)
  37 -       const u8 *bcm47xx_nvram = NULL;
  38 +       u8 *bcm47xx_nvram = NULL;
  39         size_t bcm47xx_nvram_len;
  40  #endif
  41         const u8 *data = NULL;
  42 @@ -468,6 +469,8 @@ static void brcmf_fw_request_nvram_done(
  43         }
  44
  45         fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length);
  46 +       if (fwctx->completion)
  47 +               complete(fwctx->completion);
  48         kfree(fwctx);
  49         return;
  50
  51 @@ -475,6 +478,8 @@ fail:
  52         brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
  53         release_firmware(fwctx->code);
  54         device_release_driver(fwctx->dev);
  55 +       if (fwctx->completion)
  56 +               complete(fwctx->completion);
  57         kfree(fwctx);
  58  }
  59
  60 @@ -490,6 +495,8 @@ static void brcmf_fw_request_code_done(c
  61         /* only requested code so done here */
  62         if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) {
  63                 fwctx->done(fwctx->dev, fw, NULL, 0);
  64 +               if (fwctx->completion)
  65 +                       complete(fwctx->completion);
  66                 kfree(fwctx);
  67                 return;
  68         }
  69 @@ -504,6 +511,8 @@ static void brcmf_fw_request_code_done(c
  70         /* when nvram is optional call .done() callback here */
  71         if (fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL) {
  72                 fwctx->done(fwctx->dev, fw, NULL, 0);
  73 +               if (fwctx->completion)
  74 +                       complete(fwctx->completion);
  75                 kfree(fwctx);
  76                 return;
  77         }
  78 @@ -513,6 +522,8 @@ static void brcmf_fw_request_code_done(c
  79  fail:
  80         brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
  81         device_release_driver(fwctx->dev);
  82 +       if (fwctx->completion)
  83 +               complete(fwctx->completion);
  84         kfree(fwctx);
  85  }
  86
  87 @@ -524,6 +535,8 @@ int brcmf_fw_get_firmwares_pcie(struct d
  88                                 u16 domain_nr, u16 bus_nr)
  89  {
  90         struct brcmf_fw *fwctx;
  91 +       struct completion completion;
  92 +       int err;
  93
  94         brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
  95         if (!fw_cb || !code)
  96 @@ -544,9 +557,17 @@ int brcmf_fw_get_firmwares_pcie(struct d
  97         fwctx->domain_nr = domain_nr;
  98         fwctx->bus_nr = bus_nr;
  99
 100 -       return request_firmware_nowait(THIS_MODULE, true, code, dev,
 101 +       init_completion(&completion);
 102 +       fwctx->completion = &completion;
 103 +
 104 +       err = request_firmware_nowait(THIS_MODULE, true, code, dev,
 105                                        GFP_KERNEL, fwctx,
 106                                        brcmf_fw_request_code_done);
 107 +       if (!err)
 108 +               wait_for_completion_timeout(fwctx->completion,
 109 +                                           msecs_to_jiffies(5000));
 110 +       fwctx->completion = NULL;
 111 +       return err;
 112  }
 113
 114  int brcmf_fw_get_firmwares(struct device *dev, u16 flags,