package/kernel/mac80211/patches/325-v4.17-0003-brcmfmac-call-brcmf_attach-just-before-calling-brcmf.patch

   1 From 262f2b53f67936b59cc8dfc6f3899ab8905bf1ed Mon Sep 17 00:00:00 2001
   2 From: Arend Van Spriel <arend.vanspriel@broadcom.com>
   3 Date: Tue, 20 Feb 2018 00:14:20 +0100
   4 Subject: [PATCH] brcmfmac: call brcmf_attach() just before calling
   5  brcmf_bus_started()
   6
   7 Now we can move brcmf_attach() until after the firmware has been downloaded
   8 to the device. Make the call just before brcmf_bus_started().
   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  .../wireless/broadcom/brcm80211/brcmfmac/core.c    |  6 ++++
  17  .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    | 34 +++++++++++-----------
  18  2 files changed, 23 insertions(+), 17 deletions(-)
  19
  20 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  21 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  22 @@ -1268,6 +1268,12 @@ void brcmf_bus_change_state(struct brcmf
  23         int ifidx;
  24
  25         brcmf_dbg(TRACE, "%d -> %d\n", bus->state, state);
  26 +
  27 +       if (!drvr) {
  28 +               brcmf_dbg(INFO, "ignoring transition, bus not attached yet\n");
  29 +               return;
  30 +       }
  31 +
  32         bus->state = state;
  33
  34         if (state == BRCMF_BUS_UP) {
  35 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  36 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  37 @@ -4048,9 +4048,6 @@ static void brcmf_sdio_firmware_callback
  38         if (err)
  39                 goto fail;
  40
  41 -       if (!bus_if->drvr)
  42 -               return;
  43 -
  44         /* try to download image and nvram to the dongle */
  45         bus->alp_only = true;
  46         err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len);
  47 @@ -4126,11 +4123,28 @@ static void brcmf_sdio_firmware_callback
  48
  49         sdio_release_host(sdiodev->func1);
  50
  51 +       /* Assign bus interface call back */
  52 +       sdiodev->bus_if->dev = sdiodev->dev;
  53 +       sdiodev->bus_if->ops = &brcmf_sdio_bus_ops;
  54 +       sdiodev->bus_if->chip = bus->ci->chip;
  55 +       sdiodev->bus_if->chiprev = bus->ci->chiprev;
  56 +
  57 +       /* Attach to the common layer, reserve hdr space */
  58 +       err = brcmf_attach(sdiodev->dev, sdiodev->settings);
  59 +       if (err != 0) {
  60 +               brcmf_err("brcmf_attach failed\n");
  61 +               goto fail;
  62 +       }
  63 +
  64 +       brcmf_sdio_debugfs_create(bus);
  65 +
  66         err = brcmf_bus_started(dev);
  67         if (err != 0) {
  68                 brcmf_err("dongle is not responding\n");
  69                 goto fail;
  70         }
  71 +
  72 +       /* ready */
  73         return;
  74
  75  release:
  76 @@ -4200,22 +4214,9 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
  77         bus->dpc_triggered = false;
  78         bus->dpc_running = false;
  79
  80 -       /* Assign bus interface call back */
  81 -       bus->sdiodev->bus_if->dev = bus->sdiodev->dev;
  82 -       bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops;
  83 -       bus->sdiodev->bus_if->chip = bus->ci->chip;
  84 -       bus->sdiodev->bus_if->chiprev = bus->ci->chiprev;
  85 -
  86         /* default sdio bus header length for tx packet */
  87         bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN;
  88
  89 -       /* Attach to the common layer, reserve hdr space */
  90 -       ret = brcmf_attach(bus->sdiodev->dev, bus->sdiodev->settings);
  91 -       if (ret != 0) {
  92 -               brcmf_err("brcmf_attach failed\n");
  93 -               goto fail;
  94 -       }
  95 -
  96         /* Query the F2 block size, set roundup accordingly */
  97         bus->blocksize = bus->sdiodev->func2->cur_blksize;
  98         bus->roundup = min(max_roundup, bus->blocksize);
  99 @@ -4240,7 +4241,6 @@ struct brcmf_sdio *brcmf_sdio_probe(stru
 100         /* SR state */
 101         bus->sr_enabled = false;
 102
 103 -       brcmf_sdio_debugfs_create(bus);
 104         brcmf_dbg(INFO, "completed!!\n");
 105
 106         ret = brcmf_fw_map_chip_to_name(bus->ci->chip, bus->ci->chiprev,