diff options
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/Kconfig | 8 | ||||
-rw-r--r-- | drivers/watchdog/Makefile | 2 | ||||
-rw-r--r-- | drivers/watchdog/orion_wdt.c (renamed from drivers/watchdog/orion5x_wdt.c) | 108 |
3 files changed, 59 insertions, 59 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 1e983b1717d3..5744cac4864b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig | |||
@@ -231,14 +231,14 @@ config DAVINCI_WATCHDOG | |||
231 | NOTE: once enabled, this timer cannot be disabled. | 231 | NOTE: once enabled, this timer cannot be disabled. |
232 | Say N if you are unsure. | 232 | Say N if you are unsure. |
233 | 233 | ||
234 | config ORION5X_WATCHDOG | 234 | config ORION_WATCHDOG |
235 | tristate "Orion5x watchdog" | 235 | tristate "Orion watchdog" |
236 | depends on ARCH_ORION5X || ARCH_KIRKWOOD | 236 | depends on ARCH_ORION5X || ARCH_KIRKWOOD |
237 | help | 237 | help |
238 | Say Y here if to include support for the watchdog timer | 238 | Say Y here if to include support for the watchdog timer |
239 | in the Orion5x and Kirkwood ARM SoCs. | 239 | in the Marvell Orion5x and Kirkwood ARM SoCs. |
240 | To compile this driver as a module, choose M here: the | 240 | To compile this driver as a module, choose M here: the |
241 | module will be called orion5x_wdt. | 241 | module will be called orion_wdt. |
242 | 242 | ||
243 | # AVR32 Architecture | 243 | # AVR32 Architecture |
244 | 244 | ||
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 7f8c56b14f58..c3afa14d5be1 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile | |||
@@ -40,7 +40,7 @@ obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o | |||
40 | obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o | 40 | obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o |
41 | obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o | 41 | obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o |
42 | obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o | 42 | obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o |
43 | obj-$(CONFIG_ORION5X_WATCHDOG) += orion5x_wdt.o | 43 | obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o |
44 | 44 | ||
45 | # AVR32 Architecture | 45 | # AVR32 Architecture |
46 | obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o | 46 | obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o |
diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion_wdt.c index d2dc9762a8c9..2d9fb96a9ee9 100644 --- a/drivers/watchdog/orion5x_wdt.c +++ b/drivers/watchdog/orion_wdt.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * drivers/watchdog/orion5x_wdt.c | 2 | * drivers/watchdog/orion_wdt.c |
3 | * | 3 | * |
4 | * Watchdog driver for Orion5x processors | 4 | * Watchdog driver for Orion/Kirkwood processors |
5 | * | 5 | * |
6 | * Author: Sylver Bruneau <sylver.bruneau@googlemail.com> | 6 | * Author: Sylver Bruneau <sylver.bruneau@googlemail.com> |
7 | * | 7 | * |
@@ -23,7 +23,7 @@ | |||
23 | #include <linux/io.h> | 23 | #include <linux/io.h> |
24 | #include <linux/spinlock.h> | 24 | #include <linux/spinlock.h> |
25 | #include <mach/bridge-regs.h> | 25 | #include <mach/bridge-regs.h> |
26 | #include <plat/orion5x_wdt.h> | 26 | #include <plat/orion_wdt.h> |
27 | 27 | ||
28 | /* | 28 | /* |
29 | * Watchdog timer block registers. | 29 | * Watchdog timer block registers. |
@@ -43,7 +43,7 @@ static unsigned int wdt_tclk; | |||
43 | static unsigned long wdt_status; | 43 | static unsigned long wdt_status; |
44 | static spinlock_t wdt_lock; | 44 | static spinlock_t wdt_lock; |
45 | 45 | ||
46 | static void orion5x_wdt_ping(void) | 46 | static void orion_wdt_ping(void) |
47 | { | 47 | { |
48 | spin_lock(&wdt_lock); | 48 | spin_lock(&wdt_lock); |
49 | 49 | ||
@@ -53,7 +53,7 @@ static void orion5x_wdt_ping(void) | |||
53 | spin_unlock(&wdt_lock); | 53 | spin_unlock(&wdt_lock); |
54 | } | 54 | } |
55 | 55 | ||
56 | static void orion5x_wdt_enable(void) | 56 | static void orion_wdt_enable(void) |
57 | { | 57 | { |
58 | u32 reg; | 58 | u32 reg; |
59 | 59 | ||
@@ -80,7 +80,7 @@ static void orion5x_wdt_enable(void) | |||
80 | spin_unlock(&wdt_lock); | 80 | spin_unlock(&wdt_lock); |
81 | } | 81 | } |
82 | 82 | ||
83 | static void orion5x_wdt_disable(void) | 83 | static void orion_wdt_disable(void) |
84 | { | 84 | { |
85 | u32 reg; | 85 | u32 reg; |
86 | 86 | ||
@@ -99,7 +99,7 @@ static void orion5x_wdt_disable(void) | |||
99 | spin_unlock(&wdt_lock); | 99 | spin_unlock(&wdt_lock); |
100 | } | 100 | } |
101 | 101 | ||
102 | static int orion5x_wdt_get_timeleft(int *time_left) | 102 | static int orion_wdt_get_timeleft(int *time_left) |
103 | { | 103 | { |
104 | spin_lock(&wdt_lock); | 104 | spin_lock(&wdt_lock); |
105 | *time_left = readl(WDT_VAL) / wdt_tclk; | 105 | *time_left = readl(WDT_VAL) / wdt_tclk; |
@@ -107,16 +107,16 @@ static int orion5x_wdt_get_timeleft(int *time_left) | |||
107 | return 0; | 107 | return 0; |
108 | } | 108 | } |
109 | 109 | ||
110 | static int orion5x_wdt_open(struct inode *inode, struct file *file) | 110 | static int orion_wdt_open(struct inode *inode, struct file *file) |
111 | { | 111 | { |
112 | if (test_and_set_bit(WDT_IN_USE, &wdt_status)) | 112 | if (test_and_set_bit(WDT_IN_USE, &wdt_status)) |
113 | return -EBUSY; | 113 | return -EBUSY; |
114 | clear_bit(WDT_OK_TO_CLOSE, &wdt_status); | 114 | clear_bit(WDT_OK_TO_CLOSE, &wdt_status); |
115 | orion5x_wdt_enable(); | 115 | orion_wdt_enable(); |
116 | return nonseekable_open(inode, file); | 116 | return nonseekable_open(inode, file); |
117 | } | 117 | } |
118 | 118 | ||
119 | static ssize_t orion5x_wdt_write(struct file *file, const char *data, | 119 | static ssize_t orion_wdt_write(struct file *file, const char *data, |
120 | size_t len, loff_t *ppos) | 120 | size_t len, loff_t *ppos) |
121 | { | 121 | { |
122 | if (len) { | 122 | if (len) { |
@@ -133,18 +133,18 @@ static ssize_t orion5x_wdt_write(struct file *file, const char *data, | |||
133 | set_bit(WDT_OK_TO_CLOSE, &wdt_status); | 133 | set_bit(WDT_OK_TO_CLOSE, &wdt_status); |
134 | } | 134 | } |
135 | } | 135 | } |
136 | orion5x_wdt_ping(); | 136 | orion_wdt_ping(); |
137 | } | 137 | } |
138 | return len; | 138 | return len; |
139 | } | 139 | } |
140 | 140 | ||
141 | static int orion5x_wdt_settimeout(int new_time) | 141 | static int orion_wdt_settimeout(int new_time) |
142 | { | 142 | { |
143 | if ((new_time <= 0) || (new_time > wdt_max_duration)) | 143 | if ((new_time <= 0) || (new_time > wdt_max_duration)) |
144 | return -EINVAL; | 144 | return -EINVAL; |
145 | 145 | ||
146 | /* Set new watchdog time to be used when | 146 | /* Set new watchdog time to be used when |
147 | * orion5x_wdt_enable() or orion5x_wdt_ping() is called. */ | 147 | * orion_wdt_enable() or orion_wdt_ping() is called. */ |
148 | heartbeat = new_time; | 148 | heartbeat = new_time; |
149 | return 0; | 149 | return 0; |
150 | } | 150 | } |
@@ -152,10 +152,10 @@ static int orion5x_wdt_settimeout(int new_time) | |||
152 | static const struct watchdog_info ident = { | 152 | static const struct watchdog_info ident = { |
153 | .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | | 153 | .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | |
154 | WDIOF_KEEPALIVEPING, | 154 | WDIOF_KEEPALIVEPING, |
155 | .identity = "Orion5x Watchdog", | 155 | .identity = "Orion Watchdog", |
156 | }; | 156 | }; |
157 | 157 | ||
158 | static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, | 158 | static long orion_wdt_ioctl(struct file *file, unsigned int cmd, |
159 | unsigned long arg) | 159 | unsigned long arg) |
160 | { | 160 | { |
161 | int ret = -ENOTTY; | 161 | int ret = -ENOTTY; |
@@ -173,7 +173,7 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, | |||
173 | break; | 173 | break; |
174 | 174 | ||
175 | case WDIOC_KEEPALIVE: | 175 | case WDIOC_KEEPALIVE: |
176 | orion5x_wdt_ping(); | 176 | orion_wdt_ping(); |
177 | ret = 0; | 177 | ret = 0; |
178 | break; | 178 | break; |
179 | 179 | ||
@@ -182,11 +182,11 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, | |||
182 | if (ret) | 182 | if (ret) |
183 | break; | 183 | break; |
184 | 184 | ||
185 | if (orion5x_wdt_settimeout(time)) { | 185 | if (orion_wdt_settimeout(time)) { |
186 | ret = -EINVAL; | 186 | ret = -EINVAL; |
187 | break; | 187 | break; |
188 | } | 188 | } |
189 | orion5x_wdt_ping(); | 189 | orion_wdt_ping(); |
190 | /* Fall through */ | 190 | /* Fall through */ |
191 | 191 | ||
192 | case WDIOC_GETTIMEOUT: | 192 | case WDIOC_GETTIMEOUT: |
@@ -194,7 +194,7 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, | |||
194 | break; | 194 | break; |
195 | 195 | ||
196 | case WDIOC_GETTIMELEFT: | 196 | case WDIOC_GETTIMELEFT: |
197 | if (orion5x_wdt_get_timeleft(&time)) { | 197 | if (orion_wdt_get_timeleft(&time)) { |
198 | ret = -EINVAL; | 198 | ret = -EINVAL; |
199 | break; | 199 | break; |
200 | } | 200 | } |
@@ -204,10 +204,10 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, | |||
204 | return ret; | 204 | return ret; |
205 | } | 205 | } |
206 | 206 | ||
207 | static int orion5x_wdt_release(struct inode *inode, struct file *file) | 207 | static int orion_wdt_release(struct inode *inode, struct file *file) |
208 | { | 208 | { |
209 | if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) | 209 | if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) |
210 | orion5x_wdt_disable(); | 210 | orion_wdt_disable(); |
211 | else | 211 | else |
212 | printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - " | 212 | printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - " |
213 | "timer will not stop\n"); | 213 | "timer will not stop\n"); |
@@ -218,98 +218,98 @@ static int orion5x_wdt_release(struct inode *inode, struct file *file) | |||
218 | } | 218 | } |
219 | 219 | ||
220 | 220 | ||
221 | static const struct file_operations orion5x_wdt_fops = { | 221 | static const struct file_operations orion_wdt_fops = { |
222 | .owner = THIS_MODULE, | 222 | .owner = THIS_MODULE, |
223 | .llseek = no_llseek, | 223 | .llseek = no_llseek, |
224 | .write = orion5x_wdt_write, | 224 | .write = orion_wdt_write, |
225 | .unlocked_ioctl = orion5x_wdt_ioctl, | 225 | .unlocked_ioctl = orion_wdt_ioctl, |
226 | .open = orion5x_wdt_open, | 226 | .open = orion_wdt_open, |
227 | .release = orion5x_wdt_release, | 227 | .release = orion_wdt_release, |
228 | }; | 228 | }; |
229 | 229 | ||
230 | static struct miscdevice orion5x_wdt_miscdev = { | 230 | static struct miscdevice orion_wdt_miscdev = { |
231 | .minor = WATCHDOG_MINOR, | 231 | .minor = WATCHDOG_MINOR, |
232 | .name = "watchdog", | 232 | .name = "watchdog", |
233 | .fops = &orion5x_wdt_fops, | 233 | .fops = &orion_wdt_fops, |
234 | }; | 234 | }; |
235 | 235 | ||
236 | static int __devinit orion5x_wdt_probe(struct platform_device *pdev) | 236 | static int __devinit orion_wdt_probe(struct platform_device *pdev) |
237 | { | 237 | { |
238 | struct orion5x_wdt_platform_data *pdata = pdev->dev.platform_data; | 238 | struct orion_wdt_platform_data *pdata = pdev->dev.platform_data; |
239 | int ret; | 239 | int ret; |
240 | 240 | ||
241 | if (pdata) { | 241 | if (pdata) { |
242 | wdt_tclk = pdata->tclk; | 242 | wdt_tclk = pdata->tclk; |
243 | } else { | 243 | } else { |
244 | printk(KERN_ERR "Orion5x Watchdog misses platform data\n"); | 244 | printk(KERN_ERR "Orion Watchdog misses platform data\n"); |
245 | return -ENODEV; | 245 | return -ENODEV; |
246 | } | 246 | } |
247 | 247 | ||
248 | if (orion5x_wdt_miscdev.parent) | 248 | if (orion_wdt_miscdev.parent) |
249 | return -EBUSY; | 249 | return -EBUSY; |
250 | orion5x_wdt_miscdev.parent = &pdev->dev; | 250 | orion_wdt_miscdev.parent = &pdev->dev; |
251 | 251 | ||
252 | wdt_max_duration = WDT_MAX_CYCLE_COUNT / wdt_tclk; | 252 | wdt_max_duration = WDT_MAX_CYCLE_COUNT / wdt_tclk; |
253 | if (orion5x_wdt_settimeout(heartbeat)) | 253 | if (orion_wdt_settimeout(heartbeat)) |
254 | heartbeat = wdt_max_duration; | 254 | heartbeat = wdt_max_duration; |
255 | 255 | ||
256 | ret = misc_register(&orion5x_wdt_miscdev); | 256 | ret = misc_register(&orion_wdt_miscdev); |
257 | if (ret) | 257 | if (ret) |
258 | return ret; | 258 | return ret; |
259 | 259 | ||
260 | printk(KERN_INFO "Orion5x Watchdog Timer: Initial timeout %d sec%s\n", | 260 | printk(KERN_INFO "Orion Watchdog Timer: Initial timeout %d sec%s\n", |
261 | heartbeat, nowayout ? ", nowayout" : ""); | 261 | heartbeat, nowayout ? ", nowayout" : ""); |
262 | return 0; | 262 | return 0; |
263 | } | 263 | } |
264 | 264 | ||
265 | static int __devexit orion5x_wdt_remove(struct platform_device *pdev) | 265 | static int __devexit orion_wdt_remove(struct platform_device *pdev) |
266 | { | 266 | { |
267 | int ret; | 267 | int ret; |
268 | 268 | ||
269 | if (test_bit(WDT_IN_USE, &wdt_status)) { | 269 | if (test_bit(WDT_IN_USE, &wdt_status)) { |
270 | orion5x_wdt_disable(); | 270 | orion_wdt_disable(); |
271 | clear_bit(WDT_IN_USE, &wdt_status); | 271 | clear_bit(WDT_IN_USE, &wdt_status); |
272 | } | 272 | } |
273 | 273 | ||
274 | ret = misc_deregister(&orion5x_wdt_miscdev); | 274 | ret = misc_deregister(&orion_wdt_miscdev); |
275 | if (!ret) | 275 | if (!ret) |
276 | orion5x_wdt_miscdev.parent = NULL; | 276 | orion_wdt_miscdev.parent = NULL; |
277 | 277 | ||
278 | return ret; | 278 | return ret; |
279 | } | 279 | } |
280 | 280 | ||
281 | static void orion5x_wdt_shutdown(struct platform_device *pdev) | 281 | static void orion_wdt_shutdown(struct platform_device *pdev) |
282 | { | 282 | { |
283 | if (test_bit(WDT_IN_USE, &wdt_status)) | 283 | if (test_bit(WDT_IN_USE, &wdt_status)) |
284 | orion5x_wdt_disable(); | 284 | orion_wdt_disable(); |
285 | } | 285 | } |
286 | 286 | ||
287 | static struct platform_driver orion5x_wdt_driver = { | 287 | static struct platform_driver orion_wdt_driver = { |
288 | .probe = orion5x_wdt_probe, | 288 | .probe = orion_wdt_probe, |
289 | .remove = __devexit_p(orion5x_wdt_remove), | 289 | .remove = __devexit_p(orion_wdt_remove), |
290 | .shutdown = orion5x_wdt_shutdown, | 290 | .shutdown = orion_wdt_shutdown, |
291 | .driver = { | 291 | .driver = { |
292 | .owner = THIS_MODULE, | 292 | .owner = THIS_MODULE, |
293 | .name = "orion5x_wdt", | 293 | .name = "orion_wdt", |
294 | }, | 294 | }, |
295 | }; | 295 | }; |
296 | 296 | ||
297 | static int __init orion5x_wdt_init(void) | 297 | static int __init orion_wdt_init(void) |
298 | { | 298 | { |
299 | spin_lock_init(&wdt_lock); | 299 | spin_lock_init(&wdt_lock); |
300 | return platform_driver_register(&orion5x_wdt_driver); | 300 | return platform_driver_register(&orion_wdt_driver); |
301 | } | 301 | } |
302 | 302 | ||
303 | static void __exit orion5x_wdt_exit(void) | 303 | static void __exit orion_wdt_exit(void) |
304 | { | 304 | { |
305 | platform_driver_unregister(&orion5x_wdt_driver); | 305 | platform_driver_unregister(&orion_wdt_driver); |
306 | } | 306 | } |
307 | 307 | ||
308 | module_init(orion5x_wdt_init); | 308 | module_init(orion_wdt_init); |
309 | module_exit(orion5x_wdt_exit); | 309 | module_exit(orion_wdt_exit); |
310 | 310 | ||
311 | MODULE_AUTHOR("Sylver Bruneau <sylver.bruneau@googlemail.com>"); | 311 | MODULE_AUTHOR("Sylver Bruneau <sylver.bruneau@googlemail.com>"); |
312 | MODULE_DESCRIPTION("Orion5x Processor Watchdog"); | 312 | MODULE_DESCRIPTION("Orion Processor Watchdog"); |
313 | 313 | ||
314 | module_param(heartbeat, int, 0); | 314 | module_param(heartbeat, int, 0); |
315 | MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds"); | 315 | MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds"); |