linux-kernel - [tip: irq/msi] mailbox: bcm-flexrm-mailbox: Rework MSI interrupt handling

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Date:   Thu, 16 Dec 2021 21:40:47 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...dia.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/msi] mailbox: bcm-flexrm-mailbox: Rework MSI interrupt handling

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

Commit-ID:     d722e9a51178d42b07555a9420d286dad3341d61
Gitweb:        https://git.kernel.org/tip/d722e9a51178d42b07555a9420d286dad3341d61
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 10 Dec 2021 23:19:32 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 16 Dec 2021 22:16:41 +01:00

mailbox: bcm-flexrm-mailbox: Rework MSI interrupt handling

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

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20211210221815.148331680@linutronix.de


---
 drivers/mailbox/bcm-flexrm-mailbox.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index 53a8473..c2e9a05 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1497,7 +1497,6 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
 	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 platform_device *pdev)
 		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())