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ath11k: mhi: print a warning if firmware crashed

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There was no way to detect if the firmware crashed so add a warning. At the
moment the firmware is not restarted or anything like that, so when this
happens ath11k modules need to be reloaded.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-2-git-send-email-kvalo@codeaurora.org
This commit is contained in:
Kalle Valo 2020-12-10 16:05:19 +02:00
parent 57449b07ea
commit fc46e1b2a2
1 changed files with 9 additions and 0 deletions
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9
drivers/net/wireless/ath/ath11k/mhi.c
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@ -190,6 +190,15 @@ static void ath11k_mhi_op_runtime_put(struct mhi_controller *mhi_cntrl)
static void ath11k_mhi_op_status_cb(struct mhi_controller *mhi_cntrl,
enum mhi_callback cb)
{
struct ath11k_base *ab = dev_get_drvdata(mhi_cntrl->cntrl_dev);
switch (cb) {
case MHI_CB_SYS_ERROR:
ath11k_warn(ab, "firmware crashed: MHI_CB_SYS_ERROR\n");
break;
default:
break;
}
}
static int ath11k_mhi_op_read_reg(struct mhi_controller *mhi_cntrl,