diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-14 16:42:43 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-14 16:42:43 -0400 |
commit | 2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch) | |
tree | e35a625496acc6ac852846d40b8851186b9d1ac4 /drivers/rtc | |
parent | 44b7532b8b464f606053562400719c9c21276037 (diff) | |
parent | ce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits)
MAINTAINERS: EB110ATX is not ebsa110
MAINTAINERS: update Eric Miao's email address and status
fb: add support of LCD display controller on pxa168/910 (base layer)
[ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN
[ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines
[ARM] 5544/1: Trust PrimeCell resource sizes
[ARM] pxa/sharpsl_pm: cleanup of gpio-related code.
[ARM] pxa/sharpsl_pm: drop set_irq_type calls
[ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one
[ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific
[ARM] sa1100: remove unused collie_pm.c
[ARM] pxa: fix the conflicting non-static declarations of global_gpios[]
[ARM] 5550/1: Add default configure file for w90p910 platform
[ARM] 5549/1: Add clock api for w90p910 platform.
[ARM] 5548/1: Add gpio api for w90p910 platform
[ARM] 5551/1: Add multi-function pin api for w90p910 platform.
[ARM] Make ARM_VIC_NR depend on ARM_VIC
[ARM] 5546/1: ARM PL022 SSP/SPI driver v3
ARM: OMAP4: SMP: Update defconfig for OMAP4430
ARM: OMAP4: SMP: Enable SMP support for OMAP4430
...
Diffstat (limited to 'drivers/rtc')
-rw-r--r-- | drivers/rtc/rtc-ep93xx.c | 149 | ||||
-rw-r--r-- | drivers/rtc/rtc-pl030.c | 2 | ||||
-rw-r--r-- | drivers/rtc/rtc-pl031.c | 3 |
3 files changed, 114 insertions, 40 deletions
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index f7a3283dd029..551332e4ed02 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c | |||
@@ -12,32 +12,56 @@ | |||
12 | #include <linux/module.h> | 12 | #include <linux/module.h> |
13 | #include <linux/rtc.h> | 13 | #include <linux/rtc.h> |
14 | #include <linux/platform_device.h> | 14 | #include <linux/platform_device.h> |
15 | #include <mach/hardware.h> | 15 | #include <linux/io.h> |
16 | |||
17 | #define EP93XX_RTC_DATA 0x000 | ||
18 | #define EP93XX_RTC_MATCH 0x004 | ||
19 | #define EP93XX_RTC_STATUS 0x008 | ||
20 | #define EP93XX_RTC_STATUS_INTR (1<<0) | ||
21 | #define EP93XX_RTC_LOAD 0x00C | ||
22 | #define EP93XX_RTC_CONTROL 0x010 | ||
23 | #define EP93XX_RTC_CONTROL_MIE (1<<0) | ||
24 | #define EP93XX_RTC_SWCOMP 0x108 | ||
25 | #define EP93XX_RTC_SWCOMP_DEL_MASK 0x001f0000 | ||
26 | #define EP93XX_RTC_SWCOMP_DEL_SHIFT 16 | ||
27 | #define EP93XX_RTC_SWCOMP_INT_MASK 0x0000ffff | ||
28 | #define EP93XX_RTC_SWCOMP_INT_SHIFT 0 | ||
29 | |||
30 | #define DRV_VERSION "0.3" | ||
16 | 31 | ||
17 | #define EP93XX_RTC_REG(x) (EP93XX_RTC_BASE + (x)) | 32 | /* |
18 | #define EP93XX_RTC_DATA EP93XX_RTC_REG(0x0000) | 33 | * struct device dev.platform_data is used to store our private data |
19 | #define EP93XX_RTC_LOAD EP93XX_RTC_REG(0x000C) | 34 | * because struct rtc_device does not have a variable to hold it. |
20 | #define EP93XX_RTC_SWCOMP EP93XX_RTC_REG(0x0108) | 35 | */ |
21 | 36 | struct ep93xx_rtc { | |
22 | #define DRV_VERSION "0.2" | 37 | void __iomem *mmio_base; |
38 | }; | ||
23 | 39 | ||
24 | static int ep93xx_get_swcomp(struct device *dev, unsigned short *preload, | 40 | static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload, |
25 | unsigned short *delete) | 41 | unsigned short *delete) |
26 | { | 42 | { |
27 | unsigned short comp = __raw_readl(EP93XX_RTC_SWCOMP); | 43 | struct ep93xx_rtc *ep93xx_rtc = dev->platform_data; |
44 | unsigned long comp; | ||
45 | |||
46 | comp = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_SWCOMP); | ||
28 | 47 | ||
29 | if (preload) | 48 | if (preload) |
30 | *preload = comp & 0xffff; | 49 | *preload = (comp & EP93XX_RTC_SWCOMP_INT_MASK) |
50 | >> EP93XX_RTC_SWCOMP_INT_SHIFT; | ||
31 | 51 | ||
32 | if (delete) | 52 | if (delete) |
33 | *delete = (comp >> 16) & 0x1f; | 53 | *delete = (comp & EP93XX_RTC_SWCOMP_DEL_MASK) |
54 | >> EP93XX_RTC_SWCOMP_DEL_SHIFT; | ||
34 | 55 | ||
35 | return 0; | 56 | return 0; |
36 | } | 57 | } |
37 | 58 | ||
38 | static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) | 59 | static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) |
39 | { | 60 | { |
40 | unsigned long time = __raw_readl(EP93XX_RTC_DATA); | 61 | struct ep93xx_rtc *ep93xx_rtc = dev->platform_data; |
62 | unsigned long time; | ||
63 | |||
64 | time = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_DATA); | ||
41 | 65 | ||
42 | rtc_time_to_tm(time, tm); | 66 | rtc_time_to_tm(time, tm); |
43 | return 0; | 67 | return 0; |
@@ -45,7 +69,9 @@ static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) | |||
45 | 69 | ||
46 | static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs) | 70 | static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs) |
47 | { | 71 | { |
48 | __raw_writel(secs + 1, EP93XX_RTC_LOAD); | 72 | struct ep93xx_rtc *ep93xx_rtc = dev->platform_data; |
73 | |||
74 | __raw_writel(secs + 1, ep93xx_rtc->mmio_base + EP93XX_RTC_LOAD); | ||
49 | return 0; | 75 | return 0; |
50 | } | 76 | } |
51 | 77 | ||
@@ -53,7 +79,7 @@ static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq) | |||
53 | { | 79 | { |
54 | unsigned short preload, delete; | 80 | unsigned short preload, delete; |
55 | 81 | ||
56 | ep93xx_get_swcomp(dev, &preload, &delete); | 82 | ep93xx_rtc_get_swcomp(dev, &preload, &delete); |
57 | 83 | ||
58 | seq_printf(seq, "preload\t\t: %d\n", preload); | 84 | seq_printf(seq, "preload\t\t: %d\n", preload); |
59 | seq_printf(seq, "delete\t\t: %d\n", delete); | 85 | seq_printf(seq, "delete\t\t: %d\n", delete); |
@@ -67,54 +93,104 @@ static const struct rtc_class_ops ep93xx_rtc_ops = { | |||
67 | .proc = ep93xx_rtc_proc, | 93 | .proc = ep93xx_rtc_proc, |
68 | }; | 94 | }; |
69 | 95 | ||
70 | static ssize_t ep93xx_sysfs_show_comp_preload(struct device *dev, | 96 | static ssize_t ep93xx_rtc_show_comp_preload(struct device *dev, |
71 | struct device_attribute *attr, char *buf) | 97 | struct device_attribute *attr, char *buf) |
72 | { | 98 | { |
73 | unsigned short preload; | 99 | unsigned short preload; |
74 | 100 | ||
75 | ep93xx_get_swcomp(dev, &preload, NULL); | 101 | ep93xx_rtc_get_swcomp(dev, &preload, NULL); |
76 | 102 | ||
77 | return sprintf(buf, "%d\n", preload); | 103 | return sprintf(buf, "%d\n", preload); |
78 | } | 104 | } |
79 | static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_sysfs_show_comp_preload, NULL); | 105 | static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_rtc_show_comp_preload, NULL); |
80 | 106 | ||
81 | static ssize_t ep93xx_sysfs_show_comp_delete(struct device *dev, | 107 | static ssize_t ep93xx_rtc_show_comp_delete(struct device *dev, |
82 | struct device_attribute *attr, char *buf) | 108 | struct device_attribute *attr, char *buf) |
83 | { | 109 | { |
84 | unsigned short delete; | 110 | unsigned short delete; |
85 | 111 | ||
86 | ep93xx_get_swcomp(dev, NULL, &delete); | 112 | ep93xx_rtc_get_swcomp(dev, NULL, &delete); |
87 | 113 | ||
88 | return sprintf(buf, "%d\n", delete); | 114 | return sprintf(buf, "%d\n", delete); |
89 | } | 115 | } |
90 | static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_sysfs_show_comp_delete, NULL); | 116 | static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_rtc_show_comp_delete, NULL); |
91 | 117 | ||
92 | 118 | ||
93 | static int __devinit ep93xx_rtc_probe(struct platform_device *dev) | 119 | static int __init ep93xx_rtc_probe(struct platform_device *pdev) |
94 | { | 120 | { |
95 | struct rtc_device *rtc = rtc_device_register("ep93xx", | 121 | struct ep93xx_rtc *ep93xx_rtc; |
96 | &dev->dev, &ep93xx_rtc_ops, THIS_MODULE); | 122 | struct resource *res; |
123 | struct rtc_device *rtc; | ||
124 | int err; | ||
125 | |||
126 | ep93xx_rtc = kzalloc(sizeof(struct ep93xx_rtc), GFP_KERNEL); | ||
127 | if (ep93xx_rtc == NULL) | ||
128 | return -ENOMEM; | ||
129 | |||
130 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
131 | if (res == NULL) | ||
132 | return -ENXIO; | ||
133 | |||
134 | res = request_mem_region(res->start, resource_size(res), pdev->name); | ||
135 | if (res == NULL) | ||
136 | return -EBUSY; | ||
137 | |||
138 | ep93xx_rtc->mmio_base = ioremap(res->start, resource_size(res)); | ||
139 | if (ep93xx_rtc->mmio_base == NULL) { | ||
140 | err = -ENXIO; | ||
141 | goto fail; | ||
142 | } | ||
97 | 143 | ||
144 | pdev->dev.platform_data = ep93xx_rtc; | ||
145 | |||
146 | rtc = rtc_device_register(pdev->name, | ||
147 | &pdev->dev, &ep93xx_rtc_ops, THIS_MODULE); | ||
98 | if (IS_ERR(rtc)) { | 148 | if (IS_ERR(rtc)) { |
99 | return PTR_ERR(rtc); | 149 | err = PTR_ERR(rtc); |
150 | goto fail; | ||
100 | } | 151 | } |
101 | 152 | ||
102 | platform_set_drvdata(dev, rtc); | 153 | platform_set_drvdata(pdev, rtc); |
103 | 154 | ||
104 | device_create_file(&dev->dev, &dev_attr_comp_preload); | 155 | err = device_create_file(&pdev->dev, &dev_attr_comp_preload); |
105 | device_create_file(&dev->dev, &dev_attr_comp_delete); | 156 | if (err) |
157 | goto fail; | ||
158 | err = device_create_file(&pdev->dev, &dev_attr_comp_delete); | ||
159 | if (err) { | ||
160 | device_remove_file(&pdev->dev, &dev_attr_comp_preload); | ||
161 | goto fail; | ||
162 | } | ||
106 | 163 | ||
107 | return 0; | 164 | return 0; |
165 | |||
166 | fail: | ||
167 | if (ep93xx_rtc->mmio_base) { | ||
168 | iounmap(ep93xx_rtc->mmio_base); | ||
169 | pdev->dev.platform_data = NULL; | ||
170 | } | ||
171 | release_mem_region(res->start, resource_size(res)); | ||
172 | return err; | ||
108 | } | 173 | } |
109 | 174 | ||
110 | static int __devexit ep93xx_rtc_remove(struct platform_device *dev) | 175 | static int __exit ep93xx_rtc_remove(struct platform_device *pdev) |
111 | { | 176 | { |
112 | struct rtc_device *rtc = platform_get_drvdata(dev); | 177 | struct rtc_device *rtc = platform_get_drvdata(pdev); |
178 | struct ep93xx_rtc *ep93xx_rtc = pdev->dev.platform_data; | ||
179 | struct resource *res; | ||
180 | |||
181 | /* cleanup sysfs */ | ||
182 | device_remove_file(&pdev->dev, &dev_attr_comp_delete); | ||
183 | device_remove_file(&pdev->dev, &dev_attr_comp_preload); | ||
184 | |||
185 | rtc_device_unregister(rtc); | ||
186 | |||
187 | iounmap(ep93xx_rtc->mmio_base); | ||
188 | pdev->dev.platform_data = NULL; | ||
113 | 189 | ||
114 | if (rtc) | 190 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
115 | rtc_device_unregister(rtc); | 191 | release_mem_region(res->start, resource_size(res)); |
116 | 192 | ||
117 | platform_set_drvdata(dev, NULL); | 193 | platform_set_drvdata(pdev, NULL); |
118 | 194 | ||
119 | return 0; | 195 | return 0; |
120 | } | 196 | } |
@@ -122,23 +198,22 @@ static int __devexit ep93xx_rtc_remove(struct platform_device *dev) | |||
122 | /* work with hotplug and coldplug */ | 198 | /* work with hotplug and coldplug */ |
123 | MODULE_ALIAS("platform:ep93xx-rtc"); | 199 | MODULE_ALIAS("platform:ep93xx-rtc"); |
124 | 200 | ||
125 | static struct platform_driver ep93xx_rtc_platform_driver = { | 201 | static struct platform_driver ep93xx_rtc_driver = { |
126 | .driver = { | 202 | .driver = { |
127 | .name = "ep93xx-rtc", | 203 | .name = "ep93xx-rtc", |
128 | .owner = THIS_MODULE, | 204 | .owner = THIS_MODULE, |
129 | }, | 205 | }, |
130 | .probe = ep93xx_rtc_probe, | 206 | .remove = __exit_p(ep93xx_rtc_remove), |
131 | .remove = __devexit_p(ep93xx_rtc_remove), | ||
132 | }; | 207 | }; |
133 | 208 | ||
134 | static int __init ep93xx_rtc_init(void) | 209 | static int __init ep93xx_rtc_init(void) |
135 | { | 210 | { |
136 | return platform_driver_register(&ep93xx_rtc_platform_driver); | 211 | return platform_driver_probe(&ep93xx_rtc_driver, ep93xx_rtc_probe); |
137 | } | 212 | } |
138 | 213 | ||
139 | static void __exit ep93xx_rtc_exit(void) | 214 | static void __exit ep93xx_rtc_exit(void) |
140 | { | 215 | { |
141 | platform_driver_unregister(&ep93xx_rtc_platform_driver); | 216 | platform_driver_unregister(&ep93xx_rtc_driver); |
142 | } | 217 | } |
143 | 218 | ||
144 | MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); | 219 | MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); |
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index aaf1f75fa293..457231bb1029 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c | |||
@@ -117,7 +117,7 @@ static int pl030_probe(struct amba_device *dev, struct amba_id *id) | |||
117 | goto err_rtc; | 117 | goto err_rtc; |
118 | } | 118 | } |
119 | 119 | ||
120 | rtc->base = ioremap(dev->res.start, SZ_4K); | 120 | rtc->base = ioremap(dev->res.start, resource_size(&dev->res)); |
121 | if (!rtc->base) { | 121 | if (!rtc->base) { |
122 | ret = -ENOMEM; | 122 | ret = -ENOMEM; |
123 | goto err_map; | 123 | goto err_map; |
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 451fc13784d1..f41873f98f66 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c | |||
@@ -142,8 +142,7 @@ static int pl031_probe(struct amba_device *adev, struct amba_id *id) | |||
142 | goto out; | 142 | goto out; |
143 | } | 143 | } |
144 | 144 | ||
145 | ldata->base = ioremap(adev->res.start, | 145 | ldata->base = ioremap(adev->res.start, resource_size(&adev->res)); |
146 | adev->res.end - adev->res.start + 1); | ||
147 | if (!ldata->base) { | 146 | if (!ldata->base) { |
148 | ret = -ENOMEM; | 147 | ret = -ENOMEM; |
149 | goto out_no_remap; | 148 | goto out_no_remap; |