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ANDROID: irq: Add vendor data field to struct irq_desc

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Add vendor data field to struct irq_desc to track the irq count
growth, vendor module can store the current count value and
calculate the delta in next scan cycle, helpful to enhance irq
performance and debug irq related issues.

Bug: 267983545
Change-Id: I6b4c12aeaa09ee133918870772833a777190dccc
Signed-off-by: Huang Yiwei <quic_hyiwei@quicinc.com>
This commit is contained in:
Huang Yiwei
2023-02-06 17:44:15 +08:00
parent be71152643
commit 234faf40fa
1 changed files with 2 additions and 0 deletions
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2
include/linux/irqdesc.h
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@@ -5,6 +5,7 @@
#include <linux/rcupdate.h>
#include <linux/kobject.h>
#include <linux/mutex.h>
#include <linux/android_vendor.h>
/*
* Core internal functions to deal with irq descriptors
@@ -102,6 +103,7 @@ struct irq_desc {
int parent_irq;
struct module *owner;
const char *name;
ANDROID_VENDOR_DATA(1);
} ____cacheline_internodealigned_in_smp;
#ifdef CONFIG_SPARSE_IRQ