On 23/07/15 14:06, Bjorn Helgaas wrote:
On Thu, Jul 23, 2015 at 10:26:23AM +0100, Marc Zyngier wrote:
quoted
In order to be able to populate the device msi_domain field,
add the necessary hooks to propagate the host bridge msi_domain
across secondary busses to devices.
So far, nobody populates the initial msi_domain.
Signed-off-by: Marc Zyngier <redacted>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
quoted
+static void pci_set_msi_domain(struct pci_dev *dev)
+{
+ /*
+ * If no domain has been set through the pcibios callback,
+ * inherit the default from the bus device.
Nit: there isn't a pcibios callback anymore.
There is actually one, in pci_add_device:
[...]
ret = pcibios_add_device(dev);
WARN_ON(ret < 0);
/* Setup MSI irq domain */
pci_set_msi_domain(dev);
[...]
pcibios_add_device is the one I was referring to. I'll clarify the comment.
Thanks,
M.
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