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Commit fe4947ce authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "iommu: arm-smmu: clear TBU halt request when halt times out"

parents 26c2e556 d45305e2
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+5 −0
Original line number Diff line number Diff line
@@ -5454,6 +5454,11 @@ static int qsmmuv500_tbu_halt(struct qsmmuv500_tbu_device *tbu,
					(status & DEBUG_SR_HALT_ACK_VAL),
					0, TBU_DBG_TIMEOUT_US)) {
		dev_err(tbu->dev, "Couldn't halt TBU!\n");

		halt = readl_relaxed(tbu_base + DEBUG_SID_HALT_REG);
		halt &= ~DEBUG_SID_HALT_VAL;
		writel_relaxed(halt, tbu_base + DEBUG_SID_HALT_REG);

		spin_unlock_irqrestore(&tbu->halt_lock, flags);
		return -ETIMEDOUT;
	}