x86: Cleanup access to irq_data

Fixup the open coded access to
      irq_desc->[handler_data|chip_data|msi-desc]

Use the macros and inline functions for it.

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 e5ae2a2..fa0d92a 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -190,7 +190,7 @@ struct irq_cfg *irq_cfg(unsigned int irq)
 
        desc = irq_to_desc(irq);
        if (desc)
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
 
        return cfg;
 }
@@ -219,10 +219,11 @@ int arch_init_chip_data(struct irq_desc *desc, int node)
 {
        struct irq_cfg *cfg;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
        if (!cfg) {
-               desc->chip_data = get_one_free_irq_cfg(node);
-               if (!desc->chip_data) {
+               cfg = get_one_free_irq_cfg(node);
+               desc->chip_data = cfg;
+               if (!cfg) {
                        printk(KERN_ERR "can not alloc irq_cfg\n");
                        BUG_ON(1);
                }
@@ -325,8 +326,8 @@ void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc)
 {
        struct irq_cfg *old_cfg, *cfg;
 
-       old_cfg = old_desc->chip_data;
-       cfg = desc->chip_data;
+       old_cfg = get_irq_desc_chip_data(old_desc);
+       cfg = get_irq_desc_chip_data(desc);
 
        if (old_cfg == cfg)
                return;
@@ -594,7 +595,7 @@ static void __mask_IO_APIC_irq(struct irq_cfg *cfg)
 
 static void mask_IO_APIC_irq_desc(struct irq_desc *desc)
 {
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        unsigned long flags;
 
        BUG_ON(!cfg);
@@ -606,7 +607,7 @@ static void mask_IO_APIC_irq_desc(struct irq_desc *desc)
 
 static void unmask_IO_APIC_irq_desc(struct irq_desc *desc)
 {
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&ioapic_lock, flags);
@@ -1269,7 +1270,7 @@ void __setup_vector_irq(int cpu)
        raw_spin_lock(&vector_lock);
        /* Mark the inuse vectors */
        for_each_irq_desc(irq, desc) {
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
 
                /*
                 * If it is a legacy IRQ handled by the legacy PIC, this cpu
@@ -1427,7 +1428,7 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
        if (!IO_APIC_IRQ(irq))
                return;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        /*
         * For legacy irqs, cfg->domain starts with cpu 0 for legacy
@@ -1516,7 +1517,7 @@ static void __init setup_IO_APIC_irqs(void)
                        printk(KERN_INFO "can not get irq_desc for %d\n", irq);
                        continue;
                }
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
                add_pin_to_irq_node(cfg, node, apic_id, pin);
                /*
                 * don't mark it in pin_programmed, so later acpi could
@@ -1567,7 +1568,7 @@ void setup_IO_APIC_irq_extra(u32 gsi)
                return;
        }
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
        add_pin_to_irq_node(cfg, node, apic_id, pin);
 
        if (test_bit(pin, mp_ioapic_routing[apic_id].pin_programmed)) {
@@ -1718,7 +1719,7 @@ __apicdebuginit(void) print_IO_APIC(void)
        for_each_irq_desc(irq, desc) {
                struct irq_pin_list *entry;
 
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
                if (!cfg)
                        continue;
                entry = cfg->irq_2_pin;
@@ -2323,7 +2324,7 @@ set_desc_affinity(struct irq_desc *desc, const struct cpumask *mask,
                return -1;
 
        irq = desc->irq;
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
        if (assign_irq_vector(irq, cfg, mask))
                return -1;
 
@@ -2343,7 +2344,7 @@ set_ioapic_affinity_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
        int ret = -1;
 
        irq = desc->irq;
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        raw_spin_lock_irqsave(&ioapic_lock, flags);
        ret = set_desc_affinity(desc, mask, &dest);
@@ -2396,7 +2397,7 @@ migrate_ioapic_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
        if (get_irte(irq, &irte))
                return ret;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
        if (assign_irq_vector(irq, cfg, mask))
                return ret;
 
@@ -2500,7 +2501,7 @@ unlock:
 static void __irq_complete_move(struct irq_desc **descp, unsigned vector)
 {
        struct irq_desc *desc = *descp;
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        unsigned me;
 
        if (likely(!cfg->move_in_progress))
@@ -2520,7 +2521,7 @@ static void irq_complete_move(struct irq_desc **descp)
 void irq_force_complete_move(int irq)
 {
        struct irq_desc *desc = irq_to_desc(irq);
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
 
        if (!cfg)
                return;
@@ -2588,7 +2589,7 @@ static void eoi_ioapic_irq(struct irq_desc *desc)
        unsigned int irq;
 
        irq = desc->irq;
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        raw_spin_lock_irqsave(&ioapic_lock, flags);
        __eoi_ioapic_irq(irq, cfg);
@@ -2644,7 +2645,7 @@ static void ack_apic_level(unsigned int irq)
         * we use the above logic (mask+edge followed by unmask+level) from
         * Manfred Spraul to clear the remote IRR.
         */
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
        i = cfg->vector;
        v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
 
@@ -2695,7 +2696,7 @@ static void ack_apic_level(unsigned int irq)
                 * accurate and is causing problems then it is a hardware bug
                 * and you can go talk to the chipset vendor about it.
                 */
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
                if (!io_apic_level_ack_pending(cfg))
                        move_masked_irq(irq);
                unmask_IO_APIC_irq_desc(desc);
@@ -2763,7 +2764,7 @@ static inline void init_IO_APIC_traps(void)
         * 0x80, because int 0x80 is hm, kind of importantish. ;)
         */
        for_each_irq_desc(irq, desc) {
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
                if (IO_APIC_IRQ(irq) && cfg && !cfg->vector) {
                        /*
                         * Hmm.. We don't have an entry for this,
@@ -2917,7 +2918,7 @@ int timer_through_8259 __initdata;
 static inline void __init check_timer(void)
 {
        struct irq_desc *desc = irq_to_desc(0);
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        int node = cpu_to_node(0);
        int apic1, pin1, apic2, pin2;
        unsigned long flags;
@@ -3250,13 +3251,13 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
                        printk(KERN_INFO "can not get irq_desc for %d\n", new);
                        continue;
                }
-               cfg_new = desc_new->chip_data;
+               cfg_new = get_irq_desc_chip_data(desc_new);
 
                if (cfg_new->vector != 0)
                        continue;
 
                desc_new = move_irq_desc(desc_new, node);
-               cfg_new = desc_new->chip_data;
+               cfg_new = get_irq_desc_chip_data(desc_new);
 
                if (__assign_irq_vector(new, cfg_new, apic->target_cpus()) == 0)
                        irq = new;
@@ -3381,7 +3382,7 @@ static int set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
        if (set_desc_affinity(desc, mask, &dest))
                return -1;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        __get_cached_msi_msg(desc->irq_data.msi_desc, &msg);
 
@@ -3403,7 +3404,7 @@ static int
 ir_set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
 {
        struct irq_desc *desc = irq_to_desc(irq);
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        unsigned int dest;
        struct irte irte;
 
@@ -3595,7 +3596,7 @@ static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
        if (set_desc_affinity(desc, mask, &dest))
                return -1;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        dmar_msi_read(irq, &msg);
 
@@ -3650,7 +3651,7 @@ static int hpet_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
        if (set_desc_affinity(desc, mask, &dest))
                return -1;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        hpet_msi_read(irq, &msg);
 
@@ -3756,7 +3757,7 @@ static int set_ht_irq_affinity(unsigned int irq, const struct cpumask *mask)
        if (set_desc_affinity(desc, mask, &dest))
                return -1;
 
-       cfg = desc->chip_data;
+       cfg = get_irq_desc_chip_data(desc);
 
        target_ht_irq(irq, dest, cfg->vector);
 
@@ -3903,7 +3904,7 @@ static int __io_apic_set_pci_routing(struct device *dev, int irq,
         * IRQs < 16 are already in the irq_2_pin[] map
         */
        if (irq >= legacy_pic->nr_legacy_irqs) {
-               cfg = desc->chip_data;
+               cfg = get_irq_desc_chip_data(desc);
                if (add_pin_to_irq_node_nopanic(cfg, node, ioapic, pin)) {
                        printk(KERN_INFO "can not add pin %d for irq %d\n",
                                pin, irq);

diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c
index 1132129..2233a42 100644 (file)
--- a/arch/x86/kernel/uv_irq.c
+++ b/arch/x86/kernel/uv_irq.c
@@ -209,7 +209,7 @@ static void arch_disable_uv_irq(int mmr_pnode, unsigned long mmr_offset)
 static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask)
 {
        struct irq_desc *desc = irq_to_desc(irq);
-       struct irq_cfg *cfg = desc->chip_data;
+       struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
        unsigned int dest;
        unsigned long mmr_value;
        struct uv_IO_APIC_route_entry *entry;