diff options
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/Kconfig | 4 | ||||
-rw-r--r-- | arch/mips/lib/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/lib/dec_and_lock.c | 47 | ||||
-rw-r--r-- | arch/mips/pci/fixup-tb0226.c | 33 |
4 files changed, 18 insertions, 68 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 0eb71ac303af..4cd724c05700 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig | |||
@@ -1009,10 +1009,6 @@ config GENERIC_CALIBRATE_DELAY | |||
1009 | bool | 1009 | bool |
1010 | default y | 1010 | default y |
1011 | 1011 | ||
1012 | config HAVE_DEC_LOCK | ||
1013 | bool | ||
1014 | default y | ||
1015 | |||
1016 | # | 1012 | # |
1017 | # Select some configuration options automatically based on user selections. | 1013 | # Select some configuration options automatically based on user selections. |
1018 | # | 1014 | # |
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 21b92b9dd013..037303412909 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile | |||
@@ -2,7 +2,7 @@ | |||
2 | # Makefile for MIPS-specific library files.. | 2 | # Makefile for MIPS-specific library files.. |
3 | # | 3 | # |
4 | 4 | ||
5 | lib-y += csum_partial_copy.o dec_and_lock.o memcpy.o promlib.o \ | 5 | lib-y += csum_partial_copy.o memcpy.o promlib.o \ |
6 | strlen_user.o strncpy_user.o strnlen_user.o | 6 | strlen_user.o strncpy_user.o strnlen_user.o |
7 | 7 | ||
8 | obj-y += iomap.o | 8 | obj-y += iomap.o |
diff --git a/arch/mips/lib/dec_and_lock.c b/arch/mips/lib/dec_and_lock.c deleted file mode 100644 index fd82c84a93b7..000000000000 --- a/arch/mips/lib/dec_and_lock.c +++ /dev/null | |||
@@ -1,47 +0,0 @@ | |||
1 | /* | ||
2 | * MIPS version of atomic_dec_and_lock() using cmpxchg | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version | ||
7 | * 2 of the License, or (at your option) any later version. | ||
8 | */ | ||
9 | |||
10 | #include <linux/module.h> | ||
11 | #include <linux/spinlock.h> | ||
12 | #include <asm/atomic.h> | ||
13 | #include <asm/system.h> | ||
14 | |||
15 | /* | ||
16 | * This is an implementation of the notion of "decrement a | ||
17 | * reference count, and return locked if it decremented to zero". | ||
18 | * | ||
19 | * This implementation can be used on any architecture that | ||
20 | * has a cmpxchg, and where atomic->value is an int holding | ||
21 | * the value of the atomic (i.e. the high bits aren't used | ||
22 | * for a lock or anything like that). | ||
23 | */ | ||
24 | int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) | ||
25 | { | ||
26 | int counter; | ||
27 | int newcount; | ||
28 | |||
29 | for (;;) { | ||
30 | counter = atomic_read(atomic); | ||
31 | newcount = counter - 1; | ||
32 | if (!newcount) | ||
33 | break; /* do it the slow way */ | ||
34 | |||
35 | newcount = cmpxchg(&atomic->counter, counter, newcount); | ||
36 | if (newcount == counter) | ||
37 | return 0; | ||
38 | } | ||
39 | |||
40 | spin_lock(lock); | ||
41 | if (atomic_dec_and_test(atomic)) | ||
42 | return 1; | ||
43 | spin_unlock(lock); | ||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | EXPORT_SYMBOL(_atomic_dec_and_lock); | ||
diff --git a/arch/mips/pci/fixup-tb0226.c b/arch/mips/pci/fixup-tb0226.c index 61513d5d97da..b5d42b12de10 100644 --- a/arch/mips/pci/fixup-tb0226.c +++ b/arch/mips/pci/fixup-tb0226.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups. | 2 | * fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups. |
3 | * | 3 | * |
4 | * Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> | 4 | * Copyright (C) 2002-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> |
5 | * | 5 | * |
6 | * This program is free software; you can redistribute it and/or modify | 6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by | 7 | * it under the terms of the GNU General Public License as published by |
@@ -20,6 +20,7 @@ | |||
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/pci.h> | 21 | #include <linux/pci.h> |
22 | 22 | ||
23 | #include <asm/vr41xx/giu.h> | ||
23 | #include <asm/vr41xx/tb0226.h> | 24 | #include <asm/vr41xx/tb0226.h> |
24 | 25 | ||
25 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 26 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
@@ -29,42 +30,42 @@ int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |||
29 | switch (slot) { | 30 | switch (slot) { |
30 | case 12: | 31 | case 12: |
31 | vr41xx_set_irq_trigger(GD82559_1_PIN, | 32 | vr41xx_set_irq_trigger(GD82559_1_PIN, |
32 | TRIGGER_LEVEL, | 33 | IRQ_TRIGGER_LEVEL, |
33 | SIGNAL_THROUGH); | 34 | IRQ_SIGNAL_THROUGH); |
34 | vr41xx_set_irq_level(GD82559_1_PIN, LEVEL_LOW); | 35 | vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW); |
35 | irq = GD82559_1_IRQ; | 36 | irq = GD82559_1_IRQ; |
36 | break; | 37 | break; |
37 | case 13: | 38 | case 13: |
38 | vr41xx_set_irq_trigger(GD82559_2_PIN, | 39 | vr41xx_set_irq_trigger(GD82559_2_PIN, |
39 | TRIGGER_LEVEL, | 40 | IRQ_TRIGGER_LEVEL, |
40 | SIGNAL_THROUGH); | 41 | IRQ_SIGNAL_THROUGH); |
41 | vr41xx_set_irq_level(GD82559_2_PIN, LEVEL_LOW); | 42 | vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW); |
42 | irq = GD82559_2_IRQ; | 43 | irq = GD82559_2_IRQ; |
43 | break; | 44 | break; |
44 | case 14: | 45 | case 14: |
45 | switch (pin) { | 46 | switch (pin) { |
46 | case 1: | 47 | case 1: |
47 | vr41xx_set_irq_trigger(UPD720100_INTA_PIN, | 48 | vr41xx_set_irq_trigger(UPD720100_INTA_PIN, |
48 | TRIGGER_LEVEL, | 49 | IRQ_TRIGGER_LEVEL, |
49 | SIGNAL_THROUGH); | 50 | IRQ_SIGNAL_THROUGH); |
50 | vr41xx_set_irq_level(UPD720100_INTA_PIN, | 51 | vr41xx_set_irq_level(UPD720100_INTA_PIN, |
51 | LEVEL_LOW); | 52 | IRQ_LEVEL_LOW); |
52 | irq = UPD720100_INTA_IRQ; | 53 | irq = UPD720100_INTA_IRQ; |
53 | break; | 54 | break; |
54 | case 2: | 55 | case 2: |
55 | vr41xx_set_irq_trigger(UPD720100_INTB_PIN, | 56 | vr41xx_set_irq_trigger(UPD720100_INTB_PIN, |
56 | TRIGGER_LEVEL, | 57 | IRQ_TRIGGER_LEVEL, |
57 | SIGNAL_THROUGH); | 58 | IRQ_SIGNAL_THROUGH); |
58 | vr41xx_set_irq_level(UPD720100_INTB_PIN, | 59 | vr41xx_set_irq_level(UPD720100_INTB_PIN, |
59 | LEVEL_LOW); | 60 | IRQ_LEVEL_LOW); |
60 | irq = UPD720100_INTB_IRQ; | 61 | irq = UPD720100_INTB_IRQ; |
61 | break; | 62 | break; |
62 | case 3: | 63 | case 3: |
63 | vr41xx_set_irq_trigger(UPD720100_INTC_PIN, | 64 | vr41xx_set_irq_trigger(UPD720100_INTC_PIN, |
64 | TRIGGER_LEVEL, | 65 | IRQ_TRIGGER_LEVEL, |
65 | SIGNAL_THROUGH); | 66 | IRQ_SIGNAL_THROUGH); |
66 | vr41xx_set_irq_level(UPD720100_INTC_PIN, | 67 | vr41xx_set_irq_level(UPD720100_INTC_PIN, |
67 | LEVEL_LOW); | 68 | IRQ_LEVEL_LOW); |
68 | irq = UPD720100_INTC_IRQ; | 69 | irq = UPD720100_INTC_IRQ; |
69 | break; | 70 | break; |
70 | default: | 71 | default: |