powerpc: Remove trival irq_host_ops.unmap

These all just clear chip or chipdata fields, which will be done
by the generic code when we call irq_free_descs.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 5d6c34ce0cba..8ccf9ed62fe2 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -112,16 +112,8 @@ static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static void pci_host_unmap(struct irq_host *h, unsigned int virq)
-{
-        /* remove chip and handler */
-        irq_set_chip_data(virq, NULL);
-        irq_set_chip(virq, NULL);
-}
-
 static struct irq_host_ops pci_pic_host_ops = {
         .map = pci_pic_host_map,
-        .unmap = pci_host_unmap,
 };
 
 int __init pq2ads_pci_init_irq(void)