Thread (62 messages) 62 messages, 5 authors, 2021-12-09
STALE1635d REVIEWED: 24 (24M)

[patch V2 33/36] mailbox: bcm-flexrm-mailbox: Rework MSI interrupt handling

From: Thomas Gleixner <hidden>
Date: 2021-12-06 22:40:47
Also in: linux-arm-kernel, linux-iommu, linux-pci, lkml, xen-devel

No point in retrieving the MSI descriptors. Just query the Linux interrupt
number.

Signed-off-by: Thomas Gleixner <redacted>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/mailbox/bcm-flexrm-mailbox.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1497,7 +1497,6 @@ static int flexrm_mbox_probe(struct plat
 	int index, ret = 0;
 	void __iomem *regs;
 	void __iomem *regs_end;
-	struct msi_desc *desc;
 	struct resource *iomem;
 	struct flexrm_ring *ring;
 	struct flexrm_mbox *mbox;
@@ -1608,10 +1607,8 @@ static int flexrm_mbox_probe(struct plat
 		goto fail_destroy_cmpl_pool;
 
 	/* Save alloced IRQ numbers for each ring */
-	for_each_msi_entry(desc, dev) {
-		ring = &mbox->rings[desc->msi_index];
-		ring->irq = desc->irq;
-	}
+	for (index = 0; index < mbox->num_rings; index++)
+		mbox->rings[index].irq = msi_get_virq(dev, index);
 
 	/* Check availability of debugfs */
 	if (!debugfs_initialized())
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