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wil6210: ratelimit errors in TX/RX interrupts 

Sometimes there is a firmware crash but the hardware
is not fully stopped and continue to send TX/RX interrupts.
This can cause an overload of messages which can bring the
host down. Add ratelimit to these error messages to fix this.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Lior David 2017-08-28 22:18:41 +03:00 committed by Kalle Valo
parent c0cc00f250
commit 40cbd88be7
1 changed files with 8 additions and 6 deletions
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14
drivers/net/wireless/ath/wil6210/interrupt.c
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@ -244,7 +244,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr);
if (unlikely(!isr)) {
wil_err(wil, "spurious IRQ: RX\n");
wil_err_ratelimited(wil, "spurious IRQ: RX\n");
return IRQ_NONE;
}
@ -269,11 +269,12 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
need_unmask = false;
napi_schedule(&wil->napi_rx);
} else {
wil_err(wil,
wil_err_ratelimited(
wil,
"Got Rx interrupt while stopping interface\n");
}
} else {
wil_err(wil, "Got Rx interrupt while in reset\n");
wil_err_ratelimited(wil, "Got Rx interrupt while in reset\n");
}
}
@ -302,7 +303,7 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
wil_dbg_irq(wil, "ISR TX 0x%08x\n", isr);
if (unlikely(!isr)) {
wil_err(wil, "spurious IRQ: TX\n");
wil_err_ratelimited(wil, "spurious IRQ: TX\n");
return IRQ_NONE;
}
@ -318,12 +319,13 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
need_unmask = false;
napi_schedule(&wil->napi_tx);
} else {
wil_err(wil, "Got Tx interrupt while in reset\n");
wil_err_ratelimited(wil, "Got Tx interrupt while in reset\n");
}
}
if (unlikely(isr))
wil_err(wil, "un-handled TX ISR bits 0x%08x\n", isr);
wil_err_ratelimited(wil, "un-handled TX ISR bits 0x%08x\n",
isr);
/* Tx IRQ will be enabled when NAPI processing finished */