[POWERPC] Provide a default irq_host match, which matches on an exact of_node

The most common match semantic is an exact match based on the device node.
So provide a default implementation that does this, and hook it up if no
match routine is specified.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

4 files changed, 0 insertions, 25 deletions

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 1d793e4b8d56..0f4ca8a2b777 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -241,12 +241,6 @@ static struct irq_chip mpc52xx_sdma_irqchip = {
  * irq_host
 */
 
-static int mpc52xx_irqhost_match(struct irq_host *h, struct device_node *node)
-{
-        pr_debug("%s: node=%p\n", __func__, node);
-        return h->of_node == node;
-}
-
 static int mpc52xx_irqhost_xlate(struct irq_host *h, struct device_node *ct,
                                  u32 * intspec, unsigned int intsize,
                                  irq_hw_number_t * out_hwirq,
@@ -367,7 +361,6 @@ static int mpc52xx_irqhost_map(struct irq_host *h, unsigned int virq,
 }
 
 static struct irq_host_ops mpc52xx_irqhost_ops = {
-        .match = mpc52xx_irqhost_match,
         .xlate = mpc52xx_irqhost_xlate,
         .map = mpc52xx_irqhost_map,
 };
diff --git a/arch/powerpc/platforms/82xx/mpc82xx_ads.c b/arch/powerpc/platforms/82xx/mpc82xx_ads.c
index 91ddbd2f477d..40087952935a 100644
--- a/arch/powerpc/platforms/82xx/mpc82xx_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc82xx_ads.c
@@ -398,11 +398,6 @@ m82xx_pci_irq_demux(unsigned int irq, struct irq_desc *desc)
         }
 }
 
-static int pci_pic_host_match(struct irq_host *h, struct device_node *node)
-{
-        return h->of_node == node;
-}
-
 static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
                             irq_hw_number_t hw)
 {
@@ -418,7 +413,6 @@ static void pci_host_unmap(struct irq_host *h, unsigned int virq)
 }
 
 static struct irq_host_ops pci_pic_host_ops = {
-        .match = pci_pic_host_match,
         .map = pci_pic_host_map,
         .unmap = pci_host_unmap,
 };
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index bdd97bb2446d..74407afddf46 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -294,13 +294,7 @@ static int msic_host_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static int msic_host_match(struct irq_host *host, struct device_node *dn)
-{
-        return host->of_node == dn;
-}
-
 static struct irq_host_ops msic_host_ops = {
-        .match  = msic_host_match,
         .map    = msic_host_map,
 };
 
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 4309c2cbbeb9..3f4b4aef756d 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -175,11 +175,6 @@ static struct irq_chip spider_pic = {
         .set_type = spider_set_irq_type,
 };
 
-static int spider_host_match(struct irq_host *h, struct device_node *node)
-{
-        return h->of_node == node;
-}
-
 static int spider_host_map(struct irq_host *h, unsigned int virq,
                         irq_hw_number_t hw)
 {
@@ -206,7 +201,6 @@ static int spider_host_xlate(struct irq_host *h, struct device_node *ct,
 }
 
 static struct irq_host_ops spider_host_ops = {
-        .match = spider_host_match,
         .map = spider_host_map,
         .xlate = spider_host_xlate,
 };