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Merge tag 'irq-msi-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull MSI irq updates from Thomas Gleixner:
 "Rework of the MSI interrupt infrastructure.

  This is a treewide cleanup and consolidation of MSI interrupt handling
  in preparation for further changes in this area which are necessary
  to:

   - address existing shortcomings in the VFIO area

   - support the upcoming Interrupt Message Store functionality which
     decouples the message store from the PCI config/MMIO space"

* tag 'irq-msi-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (94 commits)
  genirq/msi: Populate sysfs entry only once
  PCI/MSI: Unbreak pci_irq_get_affinity()
  genirq/msi: Convert storage to xarray
  genirq/msi: Simplify sysfs handling
  genirq/msi: Add abuse prevention comment to msi header
  genirq/msi: Mop up old interfaces
  genirq/msi: Convert to new functions
  genirq/msi: Make interrupt allocation less convoluted
  platform-msi: Simplify platform device MSI code
  platform-msi: Let core code handle MSI descriptors
  bus: fsl-mc-msi: Simplify MSI descriptor handling
  soc: ti: ti_sci_inta_msi: Remove ti_sci_inta_msi_domain_free_irqs()
  soc: ti: ti_sci_inta_msi: Rework MSI descriptor allocation
  NTB/msi: Convert to msi_on_each_desc()
  PCI: hv: Rework MSI handling
  powerpc/mpic_u3msi: Use msi_for_each-desc()
  powerpc/fsl_msi: Use msi_for_each_desc()
  powerpc/pasemi/msi: Convert to msi_on_each_dec()
  powerpc/cell/axon_msi: Convert to msi_on_each_desc()
  powerpc/4xx/hsta: Rework MSI handling
  ...
This commit is contained in:
Linus Torvalds
2022-01-13 09:05:29 -08:00
parent fd04899208 74a5257a0c
commit feb7a43de5
73 changed files with 1783 additions and 2088 deletions
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9
drivers/mailbox/bcm-flexrm-mailbox.c
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@@ -1484,7 +1484,7 @@ static void flexrm_mbox_msi_write(struct msi_desc *desc, struct msi_msg *msg)
{
struct device *dev = msi_desc_to_dev(desc);
struct flexrm_mbox *mbox = dev_get_drvdata(dev);
struct flexrm_ring *ring = &mbox->rings[desc->platform.msi_index];
struct flexrm_ring *ring = &mbox->rings[desc->msi_index];
/* Configure per-Ring MSI registers */
writel_relaxed(msg->address_lo, ring->regs + RING_MSI_ADDR_LS);
@@ -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->platform.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())