um: migrate from __do_IRQ() to generic_handle_irq()

This patch removes __do_IRQ() from user mode linux.  __do_IRQ is deprecated.

Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um
index ffe0934..50d6aa2 100644 (file)
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig.um
@@ -120,6 +120,9 @@ config SMP
 
          If you don't know what to do, say N.
 
+config GENERIC_HARDIRQS_NO__DO_IRQ
+       def_bool y
+
 config NR_CPUS
        int "Maximum number of CPUs (2-32)"
        range 2 32

diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index a746e30..3f0ac9e 100644 (file)
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -334,7 +334,7 @@ unsigned int do_IRQ(int irq, struct uml_pt_regs *regs)
 {
        struct pt_regs *old_regs = set_irq_regs((struct pt_regs *)regs);
        irq_enter();
-       __do_IRQ(irq);
+       generic_handle_irq(irq);
        irq_exit();
        set_irq_regs(old_regs);
        return 1;
@@ -391,17 +391,10 @@ void __init init_IRQ(void)
 {
        int i;
 
-       irq_desc[TIMER_IRQ].status = IRQ_DISABLED;
-       irq_desc[TIMER_IRQ].action = NULL;
-       irq_desc[TIMER_IRQ].depth = 1;
-       irq_desc[TIMER_IRQ].chip = &SIGVTALRM_irq_type;
-       enable_irq(TIMER_IRQ);
+       set_irq_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq);
+
        for (i = 1; i < NR_IRQS; i++) {
-               irq_desc[i].status = IRQ_DISABLED;
-               irq_desc[i].action = NULL;
-               irq_desc[i].depth = 1;
-               irq_desc[i].chip = &normal_irq_type;
-               enable_irq(i);
+               set_irq_chip_and_handler(i, &normal_irq_type, handle_edge_irq);
        }
 }