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Commit 60e2b00ea200e1527668bfb766ecbdf578ad7de8

Authored by Guan Xuetao
1 parent 858af58f67
Exists in master and in 6 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

rtc-puv3: using module_platform_driver() 

This patch converts the driver to use the module_platform_driver()
macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>

Showing 1 changed file with 1 additions and 15 deletions Inline Diff

drivers/rtc/rtc-puv3.c
Diff comments   View file @ 60e2b00
1 /* 1 /*
2 * RTC driver code specific to PKUnity SoC and UniCore ISA 2 * RTC driver code specific to PKUnity SoC and UniCore ISA
3 * 3 *
4 * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> 4 * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
5 * Copyright (C) 2001-2010 Guan Xuetao 5 * Copyright (C) 2001-2010 Guan Xuetao
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as 8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation. 9 * published by the Free Software Foundation.
10 */ 10 */
11 11
12 #include <linux/module.h> 12 #include <linux/module.h>
13 #include <linux/fs.h> 13 #include <linux/fs.h>
14 #include <linux/string.h> 14 #include <linux/string.h>
15 #include <linux/init.h> 15 #include <linux/init.h>
16 #include <linux/platform_device.h> 16 #include <linux/platform_device.h>
17 #include <linux/interrupt.h> 17 #include <linux/interrupt.h>
18 #include <linux/rtc.h> 18 #include <linux/rtc.h>
19 #include <linux/bcd.h> 19 #include <linux/bcd.h>
20 #include <linux/clk.h> 20 #include <linux/clk.h>
21 #include <linux/log2.h> 21 #include <linux/log2.h>
22 #include <linux/slab.h> 22 #include <linux/slab.h>
23 #include <linux/uaccess.h> 23 #include <linux/uaccess.h>
24 #include <linux/io.h> 24 #include <linux/io.h>
25 25
26 #include <asm/irq.h> 26 #include <asm/irq.h>
27 #include <mach/hardware.h> 27 #include <mach/hardware.h>
28 28
29 static struct resource *puv3_rtc_mem; 29 static struct resource *puv3_rtc_mem;
30 30
31 static int puv3_rtc_alarmno = IRQ_RTCAlarm; 31 static int puv3_rtc_alarmno = IRQ_RTCAlarm;
32 static int puv3_rtc_tickno = IRQ_RTC; 32 static int puv3_rtc_tickno = IRQ_RTC;
33 33
34 static DEFINE_SPINLOCK(puv3_rtc_pie_lock); 34 static DEFINE_SPINLOCK(puv3_rtc_pie_lock);
35 35
36 /* IRQ Handlers */ 36 /* IRQ Handlers */
37 static irqreturn_t puv3_rtc_alarmirq(int irq, void *id) 37 static irqreturn_t puv3_rtc_alarmirq(int irq, void *id)
38 { 38 {
39 struct rtc_device *rdev = id; 39 struct rtc_device *rdev = id;
40 40
41 writel(readl(RTC_RTSR) | RTC_RTSR_AL, RTC_RTSR); 41 writel(readl(RTC_RTSR) | RTC_RTSR_AL, RTC_RTSR);
42 rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); 42 rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF);
43 return IRQ_HANDLED; 43 return IRQ_HANDLED;
44 } 44 }
45 45
46 static irqreturn_t puv3_rtc_tickirq(int irq, void *id) 46 static irqreturn_t puv3_rtc_tickirq(int irq, void *id)
47 { 47 {
48 struct rtc_device *rdev = id; 48 struct rtc_device *rdev = id;
49 49
50 writel(readl(RTC_RTSR) | RTC_RTSR_HZ, RTC_RTSR); 50 writel(readl(RTC_RTSR) | RTC_RTSR_HZ, RTC_RTSR);
51 rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF); 51 rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF);
52 return IRQ_HANDLED; 52 return IRQ_HANDLED;
53 } 53 }
54 54
55 /* Update control registers */ 55 /* Update control registers */
56 static void puv3_rtc_setaie(int to) 56 static void puv3_rtc_setaie(int to)
57 { 57 {
58 unsigned int tmp; 58 unsigned int tmp;
59 59
60 pr_debug("%s: aie=%d\n", __func__, to); 60 pr_debug("%s: aie=%d\n", __func__, to);
61 61
62 tmp = readl(RTC_RTSR) & ~RTC_RTSR_ALE; 62 tmp = readl(RTC_RTSR) & ~RTC_RTSR_ALE;
63 63
64 if (to) 64 if (to)
65 tmp |= RTC_RTSR_ALE; 65 tmp |= RTC_RTSR_ALE;
66 66
67 writel(tmp, RTC_RTSR); 67 writel(tmp, RTC_RTSR);
68 } 68 }
69 69
70 static int puv3_rtc_setpie(struct device *dev, int enabled) 70 static int puv3_rtc_setpie(struct device *dev, int enabled)
71 { 71 {
72 unsigned int tmp; 72 unsigned int tmp;
73 73
74 pr_debug("%s: pie=%d\n", __func__, enabled); 74 pr_debug("%s: pie=%d\n", __func__, enabled);
75 75
76 spin_lock_irq(&puv3_rtc_pie_lock); 76 spin_lock_irq(&puv3_rtc_pie_lock);
77 tmp = readl(RTC_RTSR) & ~RTC_RTSR_HZE; 77 tmp = readl(RTC_RTSR) & ~RTC_RTSR_HZE;
78 78
79 if (enabled) 79 if (enabled)
80 tmp |= RTC_RTSR_HZE; 80 tmp |= RTC_RTSR_HZE;
81 81
82 writel(tmp, RTC_RTSR); 82 writel(tmp, RTC_RTSR);
83 spin_unlock_irq(&puv3_rtc_pie_lock); 83 spin_unlock_irq(&puv3_rtc_pie_lock);
84 84
85 return 0; 85 return 0;
86 } 86 }
87 87
88 /* Time read/write */ 88 /* Time read/write */
89 static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) 89 static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
90 { 90 {
91 rtc_time_to_tm(readl(RTC_RCNR), rtc_tm); 91 rtc_time_to_tm(readl(RTC_RCNR), rtc_tm);
92 92
93 pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n", 93 pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n",
94 rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday, 94 rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
95 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec); 95 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
96 96
97 return 0; 97 return 0;
98 } 98 }
99 99
100 static int puv3_rtc_settime(struct device *dev, struct rtc_time *tm) 100 static int puv3_rtc_settime(struct device *dev, struct rtc_time *tm)
101 { 101 {
102 unsigned long rtc_count = 0; 102 unsigned long rtc_count = 0;
103 103
104 pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", 104 pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n",
105 tm->tm_year, tm->tm_mon, tm->tm_mday, 105 tm->tm_year, tm->tm_mon, tm->tm_mday,
106 tm->tm_hour, tm->tm_min, tm->tm_sec); 106 tm->tm_hour, tm->tm_min, tm->tm_sec);
107 107
108 rtc_tm_to_time(tm, &rtc_count); 108 rtc_tm_to_time(tm, &rtc_count);
109 writel(rtc_count, RTC_RCNR); 109 writel(rtc_count, RTC_RCNR);
110 110
111 return 0; 111 return 0;
112 } 112 }
113 113
114 static int puv3_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm) 114 static int puv3_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
115 { 115 {
116 struct rtc_time *alm_tm = &alrm->time; 116 struct rtc_time *alm_tm = &alrm->time;
117 117
118 rtc_time_to_tm(readl(RTC_RTAR), alm_tm); 118 rtc_time_to_tm(readl(RTC_RTAR), alm_tm);
119 119
120 alrm->enabled = readl(RTC_RTSR) & RTC_RTSR_ALE; 120 alrm->enabled = readl(RTC_RTSR) & RTC_RTSR_ALE;
121 121
122 pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n", 122 pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n",
123 alrm->enabled, 123 alrm->enabled,
124 alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday, 124 alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
125 alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec); 125 alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec);
126 126
127 return 0; 127 return 0;
128 } 128 }
129 129
130 static int puv3_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) 130 static int puv3_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
131 { 131 {
132 struct rtc_time *tm = &alrm->time; 132 struct rtc_time *tm = &alrm->time;
133 unsigned long rtcalarm_count = 0; 133 unsigned long rtcalarm_count = 0;
134 134
135 pr_debug("puv3_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n", 135 pr_debug("puv3_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n",
136 alrm->enabled, 136 alrm->enabled,
137 tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff, 137 tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff,
138 tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec); 138 tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec);
139 139
140 rtc_tm_to_time(tm, &rtcalarm_count); 140 rtc_tm_to_time(tm, &rtcalarm_count);
141 writel(rtcalarm_count, RTC_RTAR); 141 writel(rtcalarm_count, RTC_RTAR);
142 142
143 puv3_rtc_setaie(alrm->enabled); 143 puv3_rtc_setaie(alrm->enabled);
144 144
145 if (alrm->enabled) 145 if (alrm->enabled)
146 enable_irq_wake(puv3_rtc_alarmno); 146 enable_irq_wake(puv3_rtc_alarmno);
147 else 147 else
148 disable_irq_wake(puv3_rtc_alarmno); 148 disable_irq_wake(puv3_rtc_alarmno);
149 149
150 return 0; 150 return 0;
151 } 151 }
152 152
153 static int puv3_rtc_proc(struct device *dev, struct seq_file *seq) 153 static int puv3_rtc_proc(struct device *dev, struct seq_file *seq)
154 { 154 {
155 seq_printf(seq, "periodic_IRQ\t: %s\n", 155 seq_printf(seq, "periodic_IRQ\t: %s\n",
156 (readl(RTC_RTSR) & RTC_RTSR_HZE) ? "yes" : "no"); 156 (readl(RTC_RTSR) & RTC_RTSR_HZE) ? "yes" : "no");
157 return 0; 157 return 0;
158 } 158 }
159 159
160 static int puv3_rtc_open(struct device *dev) 160 static int puv3_rtc_open(struct device *dev)
161 { 161 {
162 struct platform_device *pdev = to_platform_device(dev); 162 struct platform_device *pdev = to_platform_device(dev);
163 struct rtc_device *rtc_dev = platform_get_drvdata(pdev); 163 struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
164 int ret; 164 int ret;
165 165
166 ret = request_irq(puv3_rtc_alarmno, puv3_rtc_alarmirq, 166 ret = request_irq(puv3_rtc_alarmno, puv3_rtc_alarmirq,
167 0, "pkunity-rtc alarm", rtc_dev); 167 0, "pkunity-rtc alarm", rtc_dev);
168 168
169 if (ret) { 169 if (ret) {
170 dev_err(dev, "IRQ%d error %d\n", puv3_rtc_alarmno, ret); 170 dev_err(dev, "IRQ%d error %d\n", puv3_rtc_alarmno, ret);
171 return ret; 171 return ret;
172 } 172 }
173 173
174 ret = request_irq(puv3_rtc_tickno, puv3_rtc_tickirq, 174 ret = request_irq(puv3_rtc_tickno, puv3_rtc_tickirq,
175 0, "pkunity-rtc tick", rtc_dev); 175 0, "pkunity-rtc tick", rtc_dev);
176 176
177 if (ret) { 177 if (ret) {
178 dev_err(dev, "IRQ%d error %d\n", puv3_rtc_tickno, ret); 178 dev_err(dev, "IRQ%d error %d\n", puv3_rtc_tickno, ret);
179 goto tick_err; 179 goto tick_err;
180 } 180 }
181 181
182 return ret; 182 return ret;
183 183
184 tick_err: 184 tick_err:
185 free_irq(puv3_rtc_alarmno, rtc_dev); 185 free_irq(puv3_rtc_alarmno, rtc_dev);
186 return ret; 186 return ret;
187 } 187 }
188 188
189 static void puv3_rtc_release(struct device *dev) 189 static void puv3_rtc_release(struct device *dev)
190 { 190 {
191 struct platform_device *pdev = to_platform_device(dev); 191 struct platform_device *pdev = to_platform_device(dev);
192 struct rtc_device *rtc_dev = platform_get_drvdata(pdev); 192 struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
193 193
194 /* do not clear AIE here, it may be needed for wake */ 194 /* do not clear AIE here, it may be needed for wake */
195 puv3_rtc_setpie(dev, 0); 195 puv3_rtc_setpie(dev, 0);
196 free_irq(puv3_rtc_alarmno, rtc_dev); 196 free_irq(puv3_rtc_alarmno, rtc_dev);
197 free_irq(puv3_rtc_tickno, rtc_dev); 197 free_irq(puv3_rtc_tickno, rtc_dev);
198 } 198 }
199 199
200 static const struct rtc_class_ops puv3_rtcops = { 200 static const struct rtc_class_ops puv3_rtcops = {
201 .open = puv3_rtc_open, 201 .open = puv3_rtc_open,
202 .release = puv3_rtc_release, 202 .release = puv3_rtc_release,
203 .read_time = puv3_rtc_gettime, 203 .read_time = puv3_rtc_gettime,
204 .set_time = puv3_rtc_settime, 204 .set_time = puv3_rtc_settime,
205 .read_alarm = puv3_rtc_getalarm, 205 .read_alarm = puv3_rtc_getalarm,
206 .set_alarm = puv3_rtc_setalarm, 206 .set_alarm = puv3_rtc_setalarm,
207 .proc = puv3_rtc_proc, 207 .proc = puv3_rtc_proc,
208 }; 208 };
209 209
210 static void puv3_rtc_enable(struct platform_device *pdev, int en) 210 static void puv3_rtc_enable(struct platform_device *pdev, int en)
211 { 211 {
212 if (!en) { 212 if (!en) {
213 writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); 213 writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR);
214 } else { 214 } else {
215 /* re-enable the device, and check it is ok */ 215 /* re-enable the device, and check it is ok */
216 if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { 216 if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) {
217 dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); 217 dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
218 writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); 218 writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR);
219 } 219 }
220 } 220 }
221 } 221 }
222 222
223 static int __devexit puv3_rtc_remove(struct platform_device *dev) 223 static int __devexit puv3_rtc_remove(struct platform_device *dev)
224 { 224 {
225 struct rtc_device *rtc = platform_get_drvdata(dev); 225 struct rtc_device *rtc = platform_get_drvdata(dev);
226 226
227 platform_set_drvdata(dev, NULL); 227 platform_set_drvdata(dev, NULL);
228 rtc_device_unregister(rtc); 228 rtc_device_unregister(rtc);
229 229
230 puv3_rtc_setpie(&dev->dev, 0); 230 puv3_rtc_setpie(&dev->dev, 0);
231 puv3_rtc_setaie(0); 231 puv3_rtc_setaie(0);
232 232
233 release_resource(puv3_rtc_mem); 233 release_resource(puv3_rtc_mem);
234 kfree(puv3_rtc_mem); 234 kfree(puv3_rtc_mem);
235 235
236 return 0; 236 return 0;
237 } 237 }
238 238
239 static int __devinit puv3_rtc_probe(struct platform_device *pdev) 239 static int __devinit puv3_rtc_probe(struct platform_device *pdev)
240 { 240 {
241 struct rtc_device *rtc; 241 struct rtc_device *rtc;
242 struct resource *res; 242 struct resource *res;
243 int ret; 243 int ret;
244 244
245 pr_debug("%s: probe=%p\n", __func__, pdev); 245 pr_debug("%s: probe=%p\n", __func__, pdev);
246 246
247 /* find the IRQs */ 247 /* find the IRQs */
248 puv3_rtc_tickno = platform_get_irq(pdev, 1); 248 puv3_rtc_tickno = platform_get_irq(pdev, 1);
249 if (puv3_rtc_tickno < 0) { 249 if (puv3_rtc_tickno < 0) {
250 dev_err(&pdev->dev, "no irq for rtc tick\n"); 250 dev_err(&pdev->dev, "no irq for rtc tick\n");
251 return -ENOENT; 251 return -ENOENT;
252 } 252 }
253 253
254 puv3_rtc_alarmno = platform_get_irq(pdev, 0); 254 puv3_rtc_alarmno = platform_get_irq(pdev, 0);
255 if (puv3_rtc_alarmno < 0) { 255 if (puv3_rtc_alarmno < 0) {
256 dev_err(&pdev->dev, "no irq for alarm\n"); 256 dev_err(&pdev->dev, "no irq for alarm\n");
257 return -ENOENT; 257 return -ENOENT;
258 } 258 }
259 259
260 pr_debug("PKUnity_rtc: tick irq %d, alarm irq %d\n", 260 pr_debug("PKUnity_rtc: tick irq %d, alarm irq %d\n",
261 puv3_rtc_tickno, puv3_rtc_alarmno); 261 puv3_rtc_tickno, puv3_rtc_alarmno);
262 262
263 /* get the memory region */ 263 /* get the memory region */
264 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 264 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
265 if (res == NULL) { 265 if (res == NULL) {
266 dev_err(&pdev->dev, "failed to get memory region resource\n"); 266 dev_err(&pdev->dev, "failed to get memory region resource\n");
267 return -ENOENT; 267 return -ENOENT;
268 } 268 }
269 269
270 puv3_rtc_mem = request_mem_region(res->start, resource_size(res), 270 puv3_rtc_mem = request_mem_region(res->start, resource_size(res),
271 pdev->name); 271 pdev->name);
272 272
273 if (puv3_rtc_mem == NULL) { 273 if (puv3_rtc_mem == NULL) {
274 dev_err(&pdev->dev, "failed to reserve memory region\n"); 274 dev_err(&pdev->dev, "failed to reserve memory region\n");
275 ret = -ENOENT; 275 ret = -ENOENT;
276 goto err_nores; 276 goto err_nores;
277 } 277 }
278 278
279 puv3_rtc_enable(pdev, 1); 279 puv3_rtc_enable(pdev, 1);
280 280
281 /* register RTC and exit */ 281 /* register RTC and exit */
282 rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, 282 rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops,
283 THIS_MODULE); 283 THIS_MODULE);
284 284
285 if (IS_ERR(rtc)) { 285 if (IS_ERR(rtc)) {
286 dev_err(&pdev->dev, "cannot attach rtc\n"); 286 dev_err(&pdev->dev, "cannot attach rtc\n");
287 ret = PTR_ERR(rtc); 287 ret = PTR_ERR(rtc);
288 goto err_nortc; 288 goto err_nortc;
289 } 289 }
290 290
291 /* platform setup code should have handled this; sigh */ 291 /* platform setup code should have handled this; sigh */
292 if (!device_can_wakeup(&pdev->dev)) 292 if (!device_can_wakeup(&pdev->dev))
293 device_init_wakeup(&pdev->dev, 1); 293 device_init_wakeup(&pdev->dev, 1);
294 294
295 platform_set_drvdata(pdev, rtc); 295 platform_set_drvdata(pdev, rtc);
296 return 0; 296 return 0;
297 297
298 err_nortc: 298 err_nortc:
299 puv3_rtc_enable(pdev, 0); 299 puv3_rtc_enable(pdev, 0);
300 release_resource(puv3_rtc_mem); 300 release_resource(puv3_rtc_mem);
301 301
302 err_nores: 302 err_nores:
303 return ret; 303 return ret;
304 } 304 }
305 305
306 #ifdef CONFIG_PM 306 #ifdef CONFIG_PM
307 307
308 static int ticnt_save; 308 static int ticnt_save;
309 309
310 static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) 310 static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state)
311 { 311 {
312 /* save RTAR for anyone using periodic interrupts */ 312 /* save RTAR for anyone using periodic interrupts */
313 ticnt_save = readl(RTC_RTAR); 313 ticnt_save = readl(RTC_RTAR);
314 puv3_rtc_enable(pdev, 0); 314 puv3_rtc_enable(pdev, 0);
315 return 0; 315 return 0;
316 } 316 }
317 317
318 static int puv3_rtc_resume(struct platform_device *pdev) 318 static int puv3_rtc_resume(struct platform_device *pdev)
319 { 319 {
320 puv3_rtc_enable(pdev, 1); 320 puv3_rtc_enable(pdev, 1);
321 writel(ticnt_save, RTC_RTAR); 321 writel(ticnt_save, RTC_RTAR);
322 return 0; 322 return 0;
323 } 323 }
324 #else 324 #else
325 #define puv3_rtc_suspend NULL 325 #define puv3_rtc_suspend NULL
326 #define puv3_rtc_resume NULL 326 #define puv3_rtc_resume NULL
327 #endif 327 #endif
328 328
329 static struct platform_driver puv3_rtcdrv = { 329 static struct platform_driver puv3_rtcdrv = {
330 .probe = puv3_rtc_probe, 330 .probe = puv3_rtc_probe,
331 .remove = __devexit_p(puv3_rtc_remove), 331 .remove = __devexit_p(puv3_rtc_remove),
332 .suspend = puv3_rtc_suspend, 332 .suspend = puv3_rtc_suspend,
333 .resume = puv3_rtc_resume, 333 .resume = puv3_rtc_resume,
334 .driver = { 334 .driver = {
335 .name = "PKUnity-v3-RTC", 335 .name = "PKUnity-v3-RTC",
336 .owner = THIS_MODULE, 336 .owner = THIS_MODULE,
337 } 337 }
338 }; 338 };
339 339
340 static char __initdata banner[] = "PKUnity-v3 RTC, (c) 2009 PKUnity Co.\n"; 340 module_platform_driver(puv3_rtcdrv);
341
342 static int __init puv3_rtc_init(void)
343 {
344 printk(banner);
345 return platform_driver_register(&puv3_rtcdrv);
346 }
347
348 static void __exit puv3_rtc_exit(void)
349 {
350 platform_driver_unregister(&puv3_rtcdrv);
351 }
352
353 module_init(puv3_rtc_init);
354 module_exit(puv3_rtc_exit);
355 341
356 MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip"); 342 MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip");
357 MODULE_AUTHOR("Hu Dongliang"); 343 MODULE_AUTHOR("Hu Dongliang");
358 MODULE_LICENSE("GPL v2"); 344 MODULE_LICENSE("GPL v2");
359 345