diff options
author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-09-18 18:26:25 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-25 05:25:53 -0400 |
commit | c852ac80440db9b0a47f48578e9c6303078abbc1 (patch) | |
tree | 0c7fc1ca7700b0196a20242ca306003db7e35fb6 /arch/arm/mach-iop32x/irq.c | |
parent | 475549faa161f4e002225f2ef75fdd2a6d83d151 (diff) |
[ARM] 3832/1: iop3xx: coding style cleanup
Since the iop32x code isn't iop321-specific, and the iop33x code isn't
iop331-specfic, do a s/iop321/iop32x/ and s/iop331/iop33x/, and tidy up
the code to conform to the coding style guidelines somewhat better.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-iop32x/irq.c')
-rw-r--r-- | arch/arm/mach-iop32x/irq.c | 54 |
1 files changed, 22 insertions, 32 deletions
diff --git a/arch/arm/mach-iop32x/irq.c b/arch/arm/mach-iop32x/irq.c index ff049e02f5f..21294be5a36 100644 --- a/arch/arm/mach-iop32x/irq.c +++ b/arch/arm/mach-iop32x/irq.c | |||
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | * linux/arch/arm/mach-iop32x/irq.c | 2 | * arch/arm/mach-iop32x/irq.c |
3 | * | 3 | * |
4 | * Generic IOP32X IRQ handling functionality | 4 | * Generic IOP32X IRQ handling functionality |
5 | * | 5 | * |
@@ -9,76 +9,66 @@ | |||
9 | * This program is free software; you can redistribute it and/or modify | 9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License version 2 as | 10 | * it under the terms of the GNU General Public License version 2 as |
11 | * published by the Free Software Foundation. | 11 | * published by the Free Software Foundation. |
12 | * | ||
13 | * Added IOP3XX chipset and IQ80321 board masking code. | ||
14 | * | ||
15 | */ | 12 | */ |
13 | |||
16 | #include <linux/init.h> | 14 | #include <linux/init.h> |
17 | #include <linux/interrupt.h> | 15 | #include <linux/interrupt.h> |
18 | #include <linux/list.h> | 16 | #include <linux/list.h> |
19 | |||
20 | #include <asm/mach/irq.h> | 17 | #include <asm/mach/irq.h> |
21 | #include <asm/irq.h> | 18 | #include <asm/irq.h> |
22 | #include <asm/hardware.h> | 19 | #include <asm/hardware.h> |
23 | |||
24 | #include <asm/mach-types.h> | 20 | #include <asm/mach-types.h> |
25 | 21 | ||
26 | static u32 iop321_mask /* = 0 */; | 22 | static u32 iop32x_mask; |
27 | 23 | ||
28 | static inline void intctl_write(u32 val) | 24 | static inline void intctl_write(u32 val) |
29 | { | 25 | { |
30 | iop3xx_cp6_enable(); | 26 | iop3xx_cp6_enable(); |
31 | asm volatile("mcr p6,0,%0,c0,c0,0"::"r" (val)); | 27 | asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val)); |
32 | iop3xx_cp6_disable(); | 28 | iop3xx_cp6_disable(); |
33 | } | 29 | } |
34 | 30 | ||
35 | static inline void intstr_write(u32 val) | 31 | static inline void intstr_write(u32 val) |
36 | { | 32 | { |
37 | iop3xx_cp6_enable(); | 33 | iop3xx_cp6_enable(); |
38 | asm volatile("mcr p6,0,%0,c4,c0,0"::"r" (val)); | 34 | asm volatile("mcr p6, 0, %0, c4, c0, 0" : : "r" (val)); |
39 | iop3xx_cp6_disable(); | 35 | iop3xx_cp6_disable(); |
40 | } | 36 | } |
41 | 37 | ||
42 | static void | 38 | static void |
43 | iop321_irq_mask (unsigned int irq) | 39 | iop32x_irq_mask(unsigned int irq) |
44 | { | 40 | { |
45 | 41 | iop32x_mask &= ~(1 << irq); | |
46 | iop321_mask &= ~(1 << irq); | 42 | intctl_write(iop32x_mask); |
47 | |||
48 | intctl_write(iop321_mask); | ||
49 | } | 43 | } |
50 | 44 | ||
51 | static void | 45 | static void |
52 | iop321_irq_unmask (unsigned int irq) | 46 | iop32x_irq_unmask(unsigned int irq) |
53 | { | 47 | { |
54 | iop321_mask |= (1 << irq); | 48 | iop32x_mask |= 1 << irq; |
55 | 49 | intctl_write(iop32x_mask); | |
56 | intctl_write(iop321_mask); | ||
57 | } | 50 | } |
58 | 51 | ||
59 | struct irq_chip ext_chip = { | 52 | struct irq_chip ext_chip = { |
60 | .name = "IOP", | 53 | .name = "IOP32x", |
61 | .ack = iop321_irq_mask, | 54 | .ack = iop32x_irq_mask, |
62 | .mask = iop321_irq_mask, | 55 | .mask = iop32x_irq_mask, |
63 | .unmask = iop321_irq_unmask, | 56 | .unmask = iop32x_irq_unmask, |
64 | }; | 57 | }; |
65 | 58 | ||
66 | void __init iop321_init_irq(void) | 59 | void __init iop32x_init_irq(void) |
67 | { | 60 | { |
68 | unsigned int i; | 61 | int i; |
69 | 62 | ||
70 | intctl_write(0); // disable all interrupts | 63 | intctl_write(0); |
71 | intstr_write(0); // treat all as IRQ | 64 | intstr_write(0); |
72 | if(machine_is_iq80321() || | 65 | if (machine_is_iq80321() || |
73 | machine_is_iq31244()) // all interrupts are inputs to chip | 66 | machine_is_iq31244()) |
74 | *IOP3XX_PCIIRSR = 0x0f; | 67 | *IOP3XX_PCIIRSR = 0x0f; |
75 | 68 | ||
76 | for(i = 0; i < NR_IRQS; i++) | 69 | for (i = 0; i < NR_IRQS; i++) { |
77 | { | ||
78 | set_irq_chip(i, &ext_chip); | 70 | set_irq_chip(i, &ext_chip); |
79 | set_irq_handler(i, do_level_IRQ); | 71 | set_irq_handler(i, do_level_IRQ); |
80 | set_irq_flags(i, IRQF_VALID | IRQF_PROBE); | 72 | set_irq_flags(i, IRQF_VALID | IRQF_PROBE); |
81 | |||
82 | } | 73 | } |
83 | } | 74 | } |
84 | |||