On 2015/10/15 22:05, Tomasz Nowicki wrote: > After refactoring DT code, we let ACPI to build ITS PCI MSI domain > and do requester ID to device ID translation using IORT table. > > We have now full PCI MSI domain stack, thus we can enable ITS initialization > from GICv3 core driver for ACPI scenario. > > Signed-off-by: Tomasz Nowicki <tn@xxxxxxxxxxxx> > --- > drivers/irqchip/irq-gic-v3-its-pci-msi.c | 48 ++++++++++++++++++++++++++++++-- > drivers/irqchip/irq-gic-v3.c | 3 +- > 2 files changed, 47 insertions(+), 4 deletions(-) > > diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c > index cfd35da..09ae2d8 100644 > --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c > +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c > @@ -15,6 +15,8 @@ > * along with this program. If not, see <http://www.gnu.org/licenses/>. > */ > > +#include <linux/acpi.h> > +#include <linux/iort.h> > #include <linux/msi.h> > #include <linux/of.h> > #include <linux/of_irq.h> > @@ -59,8 +61,10 @@ static int its_pci_msi_vec_count(struct pci_dev *pdev) > static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data) > { > struct its_pci_alias *dev_alias = data; > + u32 dev_id; > > - dev_alias->dev_id = alias; > + dev_alias->dev_id = iort_find_pci_id(pdev, alias, &dev_id) == 0 ? > + dev_id : alias; Hi tomasz, I think we need to re work this patch on top of tip/irq/core which has support for "msi-map" and "mai-parent" property support. Thanks Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
