| Message ID | 1443747025-9918-5-git-send-email-ddaney.cavm@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 02/10/15 01:50, David Daney wrote: > From: David Daney <david.daney@cavium.com> > > Replace open coded generation PCI/MSI requester id with call to the > new function pci_msi_domain_get_msi_rid() which applies the "msi-map" > to the id value. > > Signed-off-by: David Daney <david.daney@cavium.com> > --- > drivers/irqchip/irq-gic-v3-its-pci-msi.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c > index cf351c6..7bbf64a 100644 > --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c > +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c > @@ -42,7 +42,6 @@ static struct irq_chip its_msi_irq_chip = { > > struct its_pci_alias { > struct pci_dev *pdev; > - u32 dev_id; > u32 count; > }; > > @@ -60,7 +59,6 @@ static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data) > { > struct its_pci_alias *dev_alias = data; > > - dev_alias->dev_id = alias; > if (pdev != dev_alias->pdev) > dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev); Damn it. You've just shown me a bug. Unrelated to what you're doing, but still. I'll post a patch shortly. > > @@ -86,7 +84,7 @@ static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev, > pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias); > > /* ITS specific DeviceID, as the core ITS ignores dev. */ > - info->scratchpad[0].ul = dev_alias.dev_id; > + info->scratchpad[0].ul = pci_msi_domain_get_msi_rid(domain, pdev); > > return msi_info->ops->msi_prepare(domain->parent, > dev, dev_alias.count, info); > Looks good to me. Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> M.
diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c index cf351c6..7bbf64a 100644 --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c @@ -42,7 +42,6 @@ static struct irq_chip its_msi_irq_chip = { struct its_pci_alias { struct pci_dev *pdev; - u32 dev_id; u32 count; }; @@ -60,7 +59,6 @@ static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data) { struct its_pci_alias *dev_alias = data; - dev_alias->dev_id = alias; if (pdev != dev_alias->pdev) dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev); @@ -86,7 +84,7 @@ static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev, pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias); /* ITS specific DeviceID, as the core ITS ignores dev. */ - info->scratchpad[0].ul = dev_alias.dev_id; + info->scratchpad[0].ul = pci_msi_domain_get_msi_rid(domain, pdev); return msi_info->ops->msi_prepare(domain->parent, dev, dev_alias.count, info);