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[17/18] Disabled bus scan time PCI IRQ assignment on parisc

Message ID 1412222866-21068-18-git-send-email-matt@masarand.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

matt@masarand.com Oct. 2, 2014, 4:07 a.m. UTC 
From: Matthew Minter <matt@masarand.com>

Most of the architectures are switched to allocating IRQs at device_enable
time instead of boot time, however parisc does not provide an easy way of
making that transition so the new code is disabled here on parisc.

Signed-off-by: Matthew Minter <matt@masarand.com>

---
 arch/parisc/kernel/pci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 64f2764..9654c69 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -105,7 +105,13 @@  PCI_PORT_OUT(b,  8)
 PCI_PORT_OUT(w, 16)
 PCI_PORT_OUT(l, 32)
 
-
+/* We do not support hot-add irq assignment */
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+	bridge->swizzle_irq = NULL;
+	bridge->map_irq = NULL;
+	return 0;
+}
 
 /*
  * BIOS32 replacement.