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irq_domain/powerpc: Use common irq_domain structure instead of irq_host

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This patch drops the powerpc-specific irq_host structures and uses the common
irq_domain strucutres defined in linux/irqdomain.h.  It also fixes all
the users to use the new structure names.

Renaming irq_host to irq_domain has been discussed for a long time, and this
patch is a step in the process of generalizing the powerpc virq code to be
usable by all architecture.

An astute reader will notice that this patch actually removes the irq_host
structure instead of renaming it.  This is because the irq_domain structure
already exists in include/linux/irqdomain.h and has the needed data members.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Tested-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Grant Likely
2012-02-14 14:06:50 -07:00
parent 644bd95431
commit bae1d8f199
43 changed files with 277 additions and 348 deletions
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10
arch/powerpc/sysdev/ipic.c
View File

@@ -672,13 +672,13 @@ static struct irq_chip ipic_edge_irq_chip = {
.irq_set_type = ipic_set_irq_type,
};
static int ipic_host_match(struct irq_host *h, struct device_node *node)
static int ipic_host_match(struct irq_domain *h, struct device_node *node)
{
/* Exact match, unless ipic node is NULL */
return h->of_node == NULL || h->of_node == node;
}
static int ipic_host_map(struct irq_host *h, unsigned int virq,
static int ipic_host_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
struct ipic *ipic = h->host_data;
@@ -692,7 +692,7 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq,
return 0;
}
static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
static int ipic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_flags)
@@ -708,7 +708,7 @@ static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
return 0;
}
static struct irq_host_ops ipic_host_ops = {
static struct irq_domain_ops ipic_host_ops = {
.match = ipic_host_match,
.map = ipic_host_map,
.xlate = ipic_host_xlate,
@@ -728,7 +728,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
if (ipic == NULL)
return NULL;
ipic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
ipic->irqhost = irq_alloc_host(node, IRQ_DOMAIN_MAP_LINEAR,
NR_IPIC_INTS,
&ipic_host_ops, 0);
if (ipic->irqhost == NULL) {