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um: irq: Reduce irq_reg allocation

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We don't need an array of 4 entries to capture three and the
name 'MAX_IRQ_TYPE' really gets confusing as well. Remove it
and add a correct NUM_IRQ_TYPES, and use that correctly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Johannes Berg 2020-12-02 12:59:54 +01:00 • committed by Richard Weinberger
parent 458e1f7da0
commit 0737402f42
2 changed files with 7 additions and 7 deletions
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2
arch/um/include/shared/irq_user.h
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@ -12,7 +12,7 @@
#define IRQ_READ 0
#define IRQ_WRITE 1
#define IRQ_NONE 2
#define MAX_IRQ_TYPE (IRQ_NONE + 1)
#define NUM_IRQ_TYPES (IRQ_NONE + 1)
struct siginfo;
extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);