mac80211: brcmfmac: backport firmware loading cleanup
[oweals/openwrt.git] / package / kernel / mac80211 / patches / brcm / 860-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/broadcom/brcm80211/brcmfmac/core.c
15 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
16 @@ -1347,6 +1347,7 @@ int __init brcmf_core_init(void)
17  {
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/broadcom/brcm80211/brcmfmac/firmware.c
25 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
26 @@ -441,6 +441,7 @@ struct brcmf_fw {
27         struct brcmf_fw_request *req;
28         u32 curpos;
29         void (*done)(struct device *dev, int err, struct brcmf_fw_request *req);
30 +       struct completion *completion;
31  };
32  
33  static void brcmf_fw_request_done(const struct firmware *fw, void *ctx);
34 @@ -555,6 +556,8 @@ static void brcmf_fw_request_done(const
35                 fwctx->req = NULL;
36         }
37         fwctx->done(fwctx->dev, ret, fwctx->req);
38 +       if (fwctx->completion)
39 +               complete(fwctx->completion);
40         kfree(fwctx);
41  }
42  
43 @@ -579,6 +582,7 @@ int brcmf_fw_get_firmwares(struct device
44  {
45         struct brcmf_fw_item *first = &req->items[0];
46         struct brcmf_fw *fwctx;
47 +       struct completion completion;
48         int ret;
49  
50         brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
51 @@ -595,6 +599,9 @@ int brcmf_fw_get_firmwares(struct device
52         fwctx->dev = dev;
53         fwctx->req = req;
54         fwctx->done = fw_cb;
55
56 +       init_completion(&completion);
57 +       fwctx->completion = &completion;
58  
59         ret = request_firmware_nowait(THIS_MODULE, true, first->path,
60                                       fwctx->dev, GFP_KERNEL, fwctx,
61 @@ -602,6 +609,9 @@ int brcmf_fw_get_firmwares(struct device
62         if (ret < 0)
63                 brcmf_fw_request_done(NULL, fwctx);
64  
65 +       wait_for_completion_timeout(fwctx->completion, msecs_to_jiffies(5000));
66 +       fwctx->completion = NULL;
67 +
68         return 0;
69  }
70