x86: io_apic: Prepare alloc/free_irq_cfg()

Rename the grossly misnamed get_one_free_irq_cfg() to alloc_irq_cfg().
Add a (not yet used) irq number argument to free_irq_cfg()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 065c5dc..06da8fe 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -180,7 +180,7 @@ struct irq_cfg *irq_cfg(unsigned int irq)
        return get_irq_chip_data(irq);
 }
 
-static struct irq_cfg *get_one_free_irq_cfg(int node)
+static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node)
 {
        struct irq_cfg *cfg;
 
@@ -199,7 +199,7 @@ out_cfg:
        return NULL;
 }
 
-static void free_irq_cfg(struct irq_cfg *cfg)
+static void free_irq_cfg(unsigned int at, struct irq_cfg *cfg)
 {
        free_cpumask_var(cfg->domain);
        free_cpumask_var(cfg->old_domain);
@@ -212,7 +212,7 @@ int arch_init_chip_data(struct irq_desc *desc, int node)
 
        cfg = get_irq_desc_chip_data(desc);
        if (!cfg) {
-               cfg = get_one_free_irq_cfg(node);
+               cfg = alloc_irq_cfg(desc->irq, node);
                desc->chip_data = cfg;
                if (!cfg) {
                        printk(KERN_ERR "can not alloc irq_cfg\n");
@@ -289,7 +289,7 @@ void arch_init_copy_chip_data(struct irq_desc *old_desc,
        struct irq_cfg *cfg;
        struct irq_cfg *old_cfg;
 
-       cfg = get_one_free_irq_cfg(node);
+       cfg = alloc_irq_cfg(desc->irq, node);
 
        if (!cfg)
                return;
@@ -318,7 +318,7 @@ void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc)
 
        if (old_cfg) {
                free_irq_2_pin(old_cfg, cfg);
-               free_irq_cfg(old_cfg);
+               free_irq_cfg(old_desc->irq, old_cfg);
                old_desc->chip_data = NULL;
        }
 }
@@ -331,12 +331,12 @@ struct irq_cfg *irq_cfg(unsigned int irq)
        return irq < nr_irqs ? irq_cfgx + irq : NULL;
 }
 
-static struct irq_cfg *get_one_free_irq_cfg(unsigned int irq, int node)
+static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node)
 {
        return irq_cfgx + irq;
 }
 
-static inline void free_irq_cfg(struct irq_cfg *cfg) { }
+static inline void free_irq_cfg(unsigned int at, struct irq_cfg *cfg) { }
 
 #endif
 
@@ -353,7 +353,7 @@ static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
                        return cfg;
        }
 
-       cfg = get_one_free_irq_cfg(node);
+       cfg = alloc_irq_cfg(at, node);
        if (cfg)
                set_irq_chip_data(at, cfg);
        else
@@ -368,7 +368,7 @@ static int alloc_irq_from(unsigned int from, int node)
 
 static void free_irq_at(unsigned int at, struct irq_cfg *cfg)
 {
-       free_irq_cfg(cfg);
+       free_irq_cfg(at, cfg);
        irq_free_desc(at);
 }