[tip: irq/msi] perf/smmuv3: Use msi_get_virq()

tip-bot2 for Thomas Gleixner
2021-12-16T21:42:56Z

The following commit has been merged into the irq/msi branch of tip:

Commit-ID: 848456705565da8de0fac4f6487f2a04813f60cc
Gitweb: https://git.kernel.org/tip/848456705565da8de0fac4f6487f2a04813f60cc
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Fri, 10 Dec 2021 23:19:29 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 16 Dec 2021 22:16:41 +01:00

perf/smmuv3: Use msi_get_virq()

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>
Link: https://lore.kernel.org/r/20211210221815.029143589@linutronix.de

---
drivers/perf/arm_smmuv3_pmu.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 2263488..fdbc3ec 100644
--- 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(struct msi_desc *desc, struct msi_msg *msg)

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 smmu_pmu *pmu)
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);