diff options
author | Marc Zyngier <marc.zyngier@arm.com> | 2011-09-06 08:27:10 -0400 |
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committer | Marc Zyngier <marc.zyngier@arm.com> | 2011-11-15 13:14:02 -0500 |
commit | 08d33b27f7063ba2b4a29f9e3a2dcb65f30dec0b (patch) | |
tree | e338de68f8b56238b91d9979857be253310f0200 /arch/arm/include | |
parent | ab65be268adaae59da5b1306b425a7859f955669 (diff) |
ARM: GIC: Make MULTI_IRQ_HANDLER mandatory
Now that MULTI_IRQ_HANDLER is selected by all the in-tree
GIC users, make it mandatory and remove the unused macros.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/hardware/entry-macro-gic.S | 60 | ||||
-rw-r--r-- | arch/arm/include/asm/hardware/gic.h | 1 |
2 files changed, 0 insertions, 61 deletions
diff --git a/arch/arm/include/asm/hardware/entry-macro-gic.S b/arch/arm/include/asm/hardware/entry-macro-gic.S deleted file mode 100644 index 74ebc803904d..000000000000 --- a/arch/arm/include/asm/hardware/entry-macro-gic.S +++ /dev/null | |||
@@ -1,60 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/include/asm/hardware/entry-macro-gic.S | ||
3 | * | ||
4 | * Low-level IRQ helper macros for GIC | ||
5 | * | ||
6 | * This file is licensed under the terms of the GNU General Public | ||
7 | * License version 2. This program is licensed "as is" without any | ||
8 | * warranty of any kind, whether express or implied. | ||
9 | */ | ||
10 | |||
11 | #include <asm/hardware/gic.h> | ||
12 | |||
13 | #ifndef HAVE_GET_IRQNR_PREAMBLE | ||
14 | .macro get_irqnr_preamble, base, tmp | ||
15 | ldr \base, =gic_cpu_base_addr | ||
16 | ldr \base, [\base] | ||
17 | .endm | ||
18 | #endif | ||
19 | |||
20 | /* | ||
21 | * The interrupt numbering scheme is defined in the | ||
22 | * interrupt controller spec. To wit: | ||
23 | * | ||
24 | * Interrupts 0-15 are IPI | ||
25 | * 16-31 are local. We allow 30 to be used for the watchdog. | ||
26 | * 32-1020 are global | ||
27 | * 1021-1022 are reserved | ||
28 | * 1023 is "spurious" (no interrupt) | ||
29 | * | ||
30 | * A simple read from the controller will tell us the number of the highest | ||
31 | * priority enabled interrupt. We then just need to check whether it is in the | ||
32 | * valid range for an IRQ (30-1020 inclusive). | ||
33 | */ | ||
34 | |||
35 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
36 | |||
37 | ldr \irqstat, [\base, #GIC_CPU_INTACK] | ||
38 | /* bits 12-10 = src CPU, 9-0 = int # */ | ||
39 | |||
40 | ldr \tmp, =1021 | ||
41 | bic \irqnr, \irqstat, #0x1c00 | ||
42 | cmp \irqnr, #15 | ||
43 | cmpcc \irqnr, \irqnr | ||
44 | cmpne \irqnr, \tmp | ||
45 | cmpcs \irqnr, \irqnr | ||
46 | .endm | ||
47 | |||
48 | /* We assume that irqstat (the raw value of the IRQ acknowledge | ||
49 | * register) is preserved from the macro above. | ||
50 | * If there is an IPI, we immediately signal end of interrupt on the | ||
51 | * controller, since this requires the original irqstat value which | ||
52 | * we won't easily be able to recreate later. | ||
53 | */ | ||
54 | |||
55 | .macro test_for_ipi, irqnr, irqstat, base, tmp | ||
56 | bic \irqnr, \irqstat, #0x1c00 | ||
57 | cmp \irqnr, #16 | ||
58 | strcc \irqstat, [\base, #GIC_CPU_EOI] | ||
59 | cmpcs \irqnr, \irqnr | ||
60 | .endm | ||
diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h index ecf7c02fa16c..4bdfe0018696 100644 --- a/arch/arm/include/asm/hardware/gic.h +++ b/arch/arm/include/asm/hardware/gic.h | |||
@@ -36,7 +36,6 @@ | |||
36 | #include <linux/irqdomain.h> | 36 | #include <linux/irqdomain.h> |
37 | struct device_node; | 37 | struct device_node; |
38 | 38 | ||
39 | extern void __iomem *gic_cpu_base_addr; | ||
40 | extern struct irq_chip gic_arch_extn; | 39 | extern struct irq_chip gic_arch_extn; |
41 | 40 | ||
42 | void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *, | 41 | void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *, |