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brcmfmac: clear events in brcmf_fweh_detach() will always fail

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Clearing firmware events in brcmf_fweh_detach() is always failing
because it is called only upon driver remove and communication
with firmware is no longer possible.

Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arend van Spriel 2019-07-11 11:05:09 +02:00 committed by Kalle Valo
parent c613085b74
commit c33330ac06
1 changed files with 0 additions and 9 deletions
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9
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
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@ -303,16 +303,7 @@ void brcmf_fweh_attach(struct brcmf_pub *drvr)
void brcmf_fweh_detach(struct brcmf_pub *drvr)
{
struct brcmf_fweh_info *fweh = &drvr->fweh;
struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
if (ifp) {
/* clear all events */
memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN);
(void)brcmf_fil_iovar_data_set(ifp, "event_msgs",
eventmask,
BRCMF_EVENTING_MASK_LEN);
}
/* cancel the worker */
cancel_work_sync(&fweh->event_work);
WARN_ON(!list_empty(&fweh->event_q));