add chaos_calmer branch
[15.05/openwrt.git] / 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 @@ -1189,6 +1189,7 @@ 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,