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

tip-bot2 for Thomas Gleixner
2021-12-16T21:42:34Z

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@linutronix.de>
AuthorDate: Fri, 10 Dec 2021 23:19:32 +01:00
Committer: Thomas Gleixner <tglx@linutronix.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@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.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())