diff options
| author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2014-05-11 16:05:58 +0800 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-05-19 00:35:23 +0000 |
| commit | b8802f76fe473d91886220498aeda157c492f2d1 (patch) | |
| tree | 577ce870c39992ca6638ee3d3c0d66548a57db61 /include/linux/irqchip/arm-gic.h | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
irqchip: gic: Use mask field in GICC_IAR
Bit[9:0] is interrupt ID field in GICC_IAR. Bit[12:10] is CPU ID field,
and others are reserved.
So we should use GICC_IAR_INT_ID_MASK to get interrupt ID. It's not a good way
to use ~0x1c00 (CPU ID field) to get interrupt ID.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Link: https://lkml.kernel.org/r/1399795571-17231-3-git-send-email-haojian.zhuang@linaro.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'include/linux/irqchip/arm-gic.h')
| -rw-r--r-- | include/linux/irqchip/arm-gic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 7ed92d0560d5..45e2d8c15bd2 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -21,6 +21,8 @@ #define GIC_CPU_ACTIVEPRIO 0xd0 #define GIC_CPU_IDENT 0xfc +#define GICC_IAR_INT_ID_MASK 0x3ff + #define GIC_DIST_CTRL 0x000 #define GIC_DIST_CTR 0x004 #define GIC_DIST_IGROUP 0x080 |