Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

[powerpc.git] / kernel / irq / proc.c

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 607c780..2db91eb 100644 (file)
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -16,26 +16,6 @@ static struct proc_dir_entry *root_irq_dir;
 
 #ifdef CONFIG_SMP
 
-#ifdef CONFIG_GENERIC_PENDING_IRQ
-void proc_set_irq_affinity(unsigned int irq, cpumask_t mask_val)
-{
-       set_balance_irq_affinity(irq, mask_val);
-
-       /*
-        * Save these away for later use. Re-progam when the
-        * interrupt is pending
-        */
-       set_pending_irq(irq, mask_val);
-}
-#else
-void proc_set_irq_affinity(unsigned int irq, cpumask_t mask_val)
-{
-       set_balance_irq_affinity(irq, mask_val);
-       irq_desc[irq].affinity = mask_val;
-       irq_desc[irq].chip->set_affinity(irq, mask_val);
-}
-#endif
-
 static int irq_affinity_read_proc(char *page, char **start, off_t off,
                                  int count, int *eof, void *data)
 {
@@ -54,10 +34,11 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
        unsigned int irq = (int)(long)data, full_count = count, err;
        cpumask_t new_value, tmp;
 
-       if (!irq_desc[irq].chip->set_affinity || no_irq_affinity)
+       if (!irq_desc[irq].chip->set_affinity || no_irq_affinity ||
+           irq_balancing_disabled(irq))
                return -EIO;
 
-       err = cpumask_parse(buffer, count, new_value);
+       err = cpumask_parse_user(buffer, count, new_value);
        if (err)
                return err;
 
@@ -72,7 +53,7 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
                   code to set default SMP affinity. */
                return select_smp_affinity(irq) ? -EINVAL : full_count;
 
-       proc_set_irq_affinity(irq, new_value);
+       irq_set_affinity(irq, new_value);
 
        return full_count;
 }
@@ -135,7 +116,6 @@ void register_irq_proc(unsigned int irq)
                entry = create_proc_entry("smp_affinity", 0600, irq_desc[irq].dir);
 
                if (entry) {
-                       entry->nlink = 1;
                        entry->data = (void *)(long)irq;
                        entry->read_proc = irq_affinity_read_proc;
                        entry->write_proc = irq_affinity_write_proc;