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Subject[patch V3 30/35] perf/smmuv3: Use msi_get_virq()
Date
From: Thomas Gleixner <tglx@linutronix.de>

Let the core code fiddle with the MSI descriptor retrieval.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
---
drivers/perf/arm_smmuv3_pmu.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -684,7 +684,6 @@ static void smmu_pmu_write_msi_msg(struc

static void smmu_pmu_setup_msi(struct smmu_pmu *pmu)
{
- struct msi_desc *desc;
struct device *dev = pmu->dev;
int ret;

@@ -701,9 +700,7 @@ static void smmu_pmu_setup_msi(struct sm
return;
}

- desc = first_msi_entry(dev);
- if (desc)
- pmu->irq = desc->irq;
+ pmu->irq = msi_get_virq(dev, 0);

/* Add callback to free MSIs on teardown */
devm_add_action(dev, smmu_pmu_free_msis, dev);
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