diff options
| author | Jérôme Pouiller <jerome.pouiller@silabs.com> | 2020-04-27 15:40:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-28 14:14:27 +0200 |
| commit | 1d52d29983e5daa18c441feed94259aaf03c582c (patch) | |
| tree | fabbf6248f85e50f9436e03ac709bdb3a4a7b8f2 /drivers/staging/wfx/hif_rx.c | |
| parent | 8e47df5fc4abd31522b92eddf59c2863e3c5abde (diff) | |
staging: wfx: add support for 'device too hot' indication
Device is able to detect a high temperature. In this case, the traffic
is not allowed to be sent until the temperature decrease.
This patch detects the warnings raised by the device and stop the
traffic accordingly. It also add a delayed task as safeguard in case the
chip would never send the indication that the temperature decrease.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200427134031.323403-7-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wfx/hif_rx.c')
| -rw-r--r-- | drivers/staging/wfx/hif_rx.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/staging/wfx/hif_rx.c b/drivers/staging/wfx/hif_rx.c index a2ac6c098163..6de210139d8a 100644 --- a/drivers/staging/wfx/hif_rx.c +++ b/drivers/staging/wfx/hif_rx.c @@ -235,12 +235,20 @@ static int hif_suspend_resume_indication(struct wfx_dev *wdev, struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); const struct hif_ind_suspend_resume_tx *body = buf; - WARN_ON(!wvif); - WARN(!body->suspend_resume_flags.bc_mc_only, "unsupported suspend/resume notification"); - if (body->suspend_resume_flags.resume) - wfx_suspend_resume_mc(wvif, STA_NOTIFY_AWAKE); - else - wfx_suspend_resume_mc(wvif, STA_NOTIFY_SLEEP); + if (body->suspend_resume_flags.bc_mc_only) { + WARN_ON(!wvif); + if (body->suspend_resume_flags.resume) + wfx_suspend_resume_mc(wvif, STA_NOTIFY_AWAKE); + else + wfx_suspend_resume_mc(wvif, STA_NOTIFY_SLEEP); + } else { + WARN(body->peer_sta_set, "misunderstood indication"); + WARN(hif->interface != 2, "misunderstood indication"); + if (body->suspend_resume_flags.resume) + wfx_suspend_hot_dev(wdev, STA_NOTIFY_AWAKE); + else + wfx_suspend_hot_dev(wdev, STA_NOTIFY_SLEEP); + } return 0; } |