diff options
author | Dominik Brodowski <linux@dominikbrodowski.net> | 2008-06-19 13:02:52 -0400 |
---|---|---|
committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2008-06-24 09:33:42 -0400 |
commit | c502380170ee93fd1f4028cc1f32efc87fde7376 (patch) | |
tree | 3743249953d40aa0f08cc9ae4f7774c8907b3326 /drivers/pcmcia | |
parent | 635416ef393e8cec5a89fc6c1de710ee9596a51e (diff) |
pcmcia: carve out ioctl adjust function to pcmcia_ioctl
Let pcmcia_ioctl interact with rsrc_nonstatic using functions which
rsrc_nonstatic.c has to use anyway.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/pcmcia_ioctl.c | 90 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_mgr.c | 86 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 18 |
3 files changed, 94 insertions, 100 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 5f186abca108..758ece8dc362 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c | |||
@@ -138,6 +138,94 @@ static int proc_read_drivers(char *buf, char **start, off_t pos, | |||
138 | } | 138 | } |
139 | #endif | 139 | #endif |
140 | 140 | ||
141 | |||
142 | #ifdef CONFIG_PCMCIA_PROBE | ||
143 | |||
144 | static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) | ||
145 | { | ||
146 | int irq; | ||
147 | u32 mask; | ||
148 | |||
149 | irq = adj->resource.irq.IRQ; | ||
150 | if ((irq < 0) || (irq > 15)) | ||
151 | return CS_BAD_IRQ; | ||
152 | |||
153 | if (adj->Action != REMOVE_MANAGED_RESOURCE) | ||
154 | return 0; | ||
155 | |||
156 | mask = 1 << irq; | ||
157 | |||
158 | if (!(s->irq_mask & mask)) | ||
159 | return 0; | ||
160 | |||
161 | s->irq_mask &= ~mask; | ||
162 | |||
163 | return 0; | ||
164 | } | ||
165 | |||
166 | #else | ||
167 | |||
168 | static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) { | ||
169 | return CS_SUCCESS; | ||
170 | } | ||
171 | |||
172 | #endif | ||
173 | |||
174 | static int pcmcia_adjust_resource_info(adjust_t *adj) | ||
175 | { | ||
176 | struct pcmcia_socket *s; | ||
177 | int ret = CS_UNSUPPORTED_FUNCTION; | ||
178 | unsigned long flags; | ||
179 | |||
180 | down_read(&pcmcia_socket_list_rwsem); | ||
181 | list_for_each_entry(s, &pcmcia_socket_list, socket_list) { | ||
182 | |||
183 | if (adj->Resource == RES_IRQ) | ||
184 | ret = adjust_irq(s, adj); | ||
185 | |||
186 | else if (s->resource_ops->add_io) { | ||
187 | unsigned long begin, end; | ||
188 | |||
189 | /* you can't use the old interface if the new | ||
190 | * one was used before */ | ||
191 | spin_lock_irqsave(&s->lock, flags); | ||
192 | if ((s->resource_setup_new) && | ||
193 | !(s->resource_setup_old)) { | ||
194 | spin_unlock_irqrestore(&s->lock, flags); | ||
195 | continue; | ||
196 | } else if (!(s->resource_setup_old)) | ||
197 | s->resource_setup_old = 1; | ||
198 | spin_unlock_irqrestore(&s->lock, flags); | ||
199 | |||
200 | switch (adj->Resource) { | ||
201 | case RES_MEMORY_RANGE: | ||
202 | begin = adj->resource.memory.Base; | ||
203 | end = adj->resource.memory.Base + adj->resource.memory.Size - 1; | ||
204 | if (s->resource_ops->add_mem) | ||
205 | ret =s->resource_ops->add_mem(s, adj->Action, begin, end); | ||
206 | case RES_IO_RANGE: | ||
207 | begin = adj->resource.io.BasePort; | ||
208 | end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1; | ||
209 | if (s->resource_ops->add_io) | ||
210 | ret = s->resource_ops->add_io(s, adj->Action, begin, end); | ||
211 | } | ||
212 | if (!ret) { | ||
213 | /* as there's no way we know this is the | ||
214 | * last call to adjust_resource_info, we | ||
215 | * always need to assume this is the latest | ||
216 | * one... */ | ||
217 | spin_lock_irqsave(&s->lock, flags); | ||
218 | s->resource_setup_done = 1; | ||
219 | spin_unlock_irqrestore(&s->lock, flags); | ||
220 | } | ||
221 | } | ||
222 | } | ||
223 | up_read(&pcmcia_socket_list_rwsem); | ||
224 | |||
225 | return (ret); | ||
226 | } | ||
227 | |||
228 | |||
141 | /*====================================================================== | 229 | /*====================================================================== |
142 | 230 | ||
143 | These manage a ring buffer of events pending for one user process | 231 | These manage a ring buffer of events pending for one user process |
@@ -546,8 +634,6 @@ static u_int ds_poll(struct file *file, poll_table *wait) | |||
546 | 634 | ||
547 | /*====================================================================*/ | 635 | /*====================================================================*/ |
548 | 636 | ||
549 | extern int pcmcia_adjust_resource_info(adjust_t *adj); | ||
550 | |||
551 | static int ds_ioctl(struct inode * inode, struct file * file, | 637 | static int ds_ioctl(struct inode * inode, struct file * file, |
552 | u_int cmd, u_long arg) | 638 | u_int cmd, u_long arg) |
553 | { | 639 | { |
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index ce2226273aaa..c0e2afc79e3e 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c | |||
@@ -21,86 +21,6 @@ | |||
21 | #include "cs_internal.h" | 21 | #include "cs_internal.h" |
22 | 22 | ||
23 | 23 | ||
24 | #ifdef CONFIG_PCMCIA_IOCTL | ||
25 | |||
26 | #ifdef CONFIG_PCMCIA_PROBE | ||
27 | |||
28 | static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) | ||
29 | { | ||
30 | int irq; | ||
31 | u32 mask; | ||
32 | |||
33 | irq = adj->resource.irq.IRQ; | ||
34 | if ((irq < 0) || (irq > 15)) | ||
35 | return CS_BAD_IRQ; | ||
36 | |||
37 | if (adj->Action != REMOVE_MANAGED_RESOURCE) | ||
38 | return 0; | ||
39 | |||
40 | mask = 1 << irq; | ||
41 | |||
42 | if (!(s->irq_mask & mask)) | ||
43 | return 0; | ||
44 | |||
45 | s->irq_mask &= ~mask; | ||
46 | |||
47 | return 0; | ||
48 | } | ||
49 | |||
50 | #else | ||
51 | |||
52 | static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) { | ||
53 | return CS_SUCCESS; | ||
54 | } | ||
55 | |||
56 | #endif | ||
57 | |||
58 | |||
59 | int pcmcia_adjust_resource_info(adjust_t *adj) | ||
60 | { | ||
61 | struct pcmcia_socket *s; | ||
62 | int ret = CS_UNSUPPORTED_FUNCTION; | ||
63 | unsigned long flags; | ||
64 | |||
65 | down_read(&pcmcia_socket_list_rwsem); | ||
66 | list_for_each_entry(s, &pcmcia_socket_list, socket_list) { | ||
67 | |||
68 | if (adj->Resource == RES_IRQ) | ||
69 | ret = adjust_irq(s, adj); | ||
70 | |||
71 | else if (s->resource_ops->adjust_resource) { | ||
72 | |||
73 | /* you can't use the old interface if the new | ||
74 | * one was used before */ | ||
75 | spin_lock_irqsave(&s->lock, flags); | ||
76 | if ((s->resource_setup_new) && | ||
77 | !(s->resource_setup_old)) { | ||
78 | spin_unlock_irqrestore(&s->lock, flags); | ||
79 | continue; | ||
80 | } else if (!(s->resource_setup_old)) | ||
81 | s->resource_setup_old = 1; | ||
82 | spin_unlock_irqrestore(&s->lock, flags); | ||
83 | |||
84 | ret = s->resource_ops->adjust_resource(s, adj); | ||
85 | if (!ret) { | ||
86 | /* as there's no way we know this is the | ||
87 | * last call to adjust_resource_info, we | ||
88 | * always need to assume this is the latest | ||
89 | * one... */ | ||
90 | spin_lock_irqsave(&s->lock, flags); | ||
91 | s->resource_setup_done = 1; | ||
92 | spin_unlock_irqrestore(&s->lock, flags); | ||
93 | } | ||
94 | } | ||
95 | } | ||
96 | up_read(&pcmcia_socket_list_rwsem); | ||
97 | |||
98 | return (ret); | ||
99 | } | ||
100 | EXPORT_SYMBOL(pcmcia_adjust_resource_info); | ||
101 | |||
102 | #endif | ||
103 | |||
104 | int pcmcia_validate_mem(struct pcmcia_socket *s) | 24 | int pcmcia_validate_mem(struct pcmcia_socket *s) |
105 | { | 25 | { |
106 | if (s->resource_ops->validate_mem) | 26 | if (s->resource_ops->validate_mem) |
@@ -164,7 +84,8 @@ struct pccard_resource_ops pccard_static_ops = { | |||
164 | .adjust_io_region = NULL, | 84 | .adjust_io_region = NULL, |
165 | .find_io = NULL, | 85 | .find_io = NULL, |
166 | .find_mem = NULL, | 86 | .find_mem = NULL, |
167 | .adjust_resource = NULL, | 87 | .add_io = NULL, |
88 | .add_mem = NULL, | ||
168 | .init = static_init, | 89 | .init = static_init, |
169 | .exit = NULL, | 90 | .exit = NULL, |
170 | }; | 91 | }; |
@@ -264,7 +185,8 @@ struct pccard_resource_ops pccard_iodyn_ops = { | |||
264 | .adjust_io_region = iodyn_adjust_io_region, | 185 | .adjust_io_region = iodyn_adjust_io_region, |
265 | .find_io = iodyn_find_io_region, | 186 | .find_io = iodyn_find_io_region, |
266 | .find_mem = NULL, | 187 | .find_mem = NULL, |
267 | .adjust_resource = NULL, | 188 | .add_io = NULL, |
189 | .add_mem = NULL, | ||
268 | .init = static_init, | 190 | .init = static_init, |
269 | .exit = NULL, | 191 | .exit = NULL, |
270 | }; | 192 | }; |
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 4123155e2f7a..162693480ed0 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c | |||
@@ -766,21 +766,6 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long | |||
766 | } | 766 | } |
767 | 767 | ||
768 | 768 | ||
769 | static int nonstatic_adjust_resource_info(struct pcmcia_socket *s, adjust_t *adj) | ||
770 | { | ||
771 | unsigned long end; | ||
772 | |||
773 | switch (adj->Resource) { | ||
774 | case RES_MEMORY_RANGE: | ||
775 | end = adj->resource.memory.Base + adj->resource.memory.Size - 1; | ||
776 | return adjust_memory(s, adj->Action, adj->resource.memory.Base, end); | ||
777 | case RES_IO_RANGE: | ||
778 | end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1; | ||
779 | return adjust_io(s, adj->Action, adj->resource.io.BasePort, end); | ||
780 | } | ||
781 | return CS_UNSUPPORTED_FUNCTION; | ||
782 | } | ||
783 | |||
784 | #ifdef CONFIG_PCI | 769 | #ifdef CONFIG_PCI |
785 | static int nonstatic_autoadd_resources(struct pcmcia_socket *s) | 770 | static int nonstatic_autoadd_resources(struct pcmcia_socket *s) |
786 | { | 771 | { |
@@ -889,7 +874,8 @@ struct pccard_resource_ops pccard_nonstatic_ops = { | |||
889 | .adjust_io_region = nonstatic_adjust_io_region, | 874 | .adjust_io_region = nonstatic_adjust_io_region, |
890 | .find_io = nonstatic_find_io_region, | 875 | .find_io = nonstatic_find_io_region, |
891 | .find_mem = nonstatic_find_mem_region, | 876 | .find_mem = nonstatic_find_mem_region, |
892 | .adjust_resource = nonstatic_adjust_resource_info, | 877 | .add_io = adjust_io, |
878 | .add_mem = adjust_memory, | ||
893 | .init = nonstatic_init, | 879 | .init = nonstatic_init, |
894 | .exit = nonstatic_release_resource_db, | 880 | .exit = nonstatic_release_resource_db, |
895 | }; | 881 | }; |