[patch 32/37] perf/smmuv3: Use msi_get_virq()

Thomas Gleixner
2021-11-27T01:28:03Z

Let the core code fiddle with the MSI descriptor retrieval.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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);