diff options
Diffstat (limited to 'drivers/mfd/tc6387xb.c')
-rw-r--r-- | drivers/mfd/tc6387xb.c | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c index a22b21ac6cf8..43222c12fec1 100644 --- a/drivers/mfd/tc6387xb.c +++ b/drivers/mfd/tc6387xb.c | |||
@@ -12,6 +12,7 @@ | |||
12 | 12 | ||
13 | #include <linux/module.h> | 13 | #include <linux/module.h> |
14 | #include <linux/platform_device.h> | 14 | #include <linux/platform_device.h> |
15 | #include <linux/clk.h> | ||
15 | #include <linux/err.h> | 16 | #include <linux/err.h> |
16 | #include <linux/mfd/core.h> | 17 | #include <linux/mfd/core.h> |
17 | #include <linux/mfd/tmio.h> | 18 | #include <linux/mfd/tmio.h> |
@@ -24,18 +25,22 @@ enum { | |||
24 | #ifdef CONFIG_PM | 25 | #ifdef CONFIG_PM |
25 | static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state) | 26 | static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state) |
26 | { | 27 | { |
27 | struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev); | 28 | struct clk *clk32k = platform_get_drvdata(dev); |
29 | struct tc6387xb_platform_data *pdata = dev->dev.platform_data; | ||
28 | 30 | ||
29 | if (pdata && pdata->suspend) | 31 | if (pdata && pdata->suspend) |
30 | pdata->suspend(dev); | 32 | pdata->suspend(dev); |
33 | clk_disable(clk32k); | ||
31 | 34 | ||
32 | return 0; | 35 | return 0; |
33 | } | 36 | } |
34 | 37 | ||
35 | static int tc6387xb_resume(struct platform_device *dev) | 38 | static int tc6387xb_resume(struct platform_device *dev) |
36 | { | 39 | { |
37 | struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev); | 40 | struct clk *clk32k = platform_get_drvdata(dev); |
41 | struct tc6387xb_platform_data *pdata = dev->dev.platform_data; | ||
38 | 42 | ||
43 | clk_enable(clk32k); | ||
39 | if (pdata && pdata->resume) | 44 | if (pdata && pdata->resume) |
40 | pdata->resume(dev); | 45 | pdata->resume(dev); |
41 | 46 | ||
@@ -51,10 +56,9 @@ static int tc6387xb_resume(struct platform_device *dev) | |||
51 | static int tc6387xb_mmc_enable(struct platform_device *mmc) | 56 | static int tc6387xb_mmc_enable(struct platform_device *mmc) |
52 | { | 57 | { |
53 | struct platform_device *dev = to_platform_device(mmc->dev.parent); | 58 | struct platform_device *dev = to_platform_device(mmc->dev.parent); |
54 | struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data; | 59 | struct clk *clk32k = platform_get_drvdata(dev); |
55 | 60 | ||
56 | if (tc6387xb->enable_clk32k) | 61 | clk_enable(clk32k); |
57 | tc6387xb->enable_clk32k(dev); | ||
58 | 62 | ||
59 | return 0; | 63 | return 0; |
60 | } | 64 | } |
@@ -62,10 +66,9 @@ static int tc6387xb_mmc_enable(struct platform_device *mmc) | |||
62 | static int tc6387xb_mmc_disable(struct platform_device *mmc) | 66 | static int tc6387xb_mmc_disable(struct platform_device *mmc) |
63 | { | 67 | { |
64 | struct platform_device *dev = to_platform_device(mmc->dev.parent); | 68 | struct platform_device *dev = to_platform_device(mmc->dev.parent); |
65 | struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data; | 69 | struct clk *clk32k = platform_get_drvdata(dev); |
66 | 70 | ||
67 | if (tc6387xb->disable_clk32k) | 71 | clk_disable(clk32k); |
68 | tc6387xb->disable_clk32k(dev); | ||
69 | 72 | ||
70 | return 0; | 73 | return 0; |
71 | } | 74 | } |
@@ -102,14 +105,14 @@ static struct mfd_cell tc6387xb_cells[] = { | |||
102 | 105 | ||
103 | static int tc6387xb_probe(struct platform_device *dev) | 106 | static int tc6387xb_probe(struct platform_device *dev) |
104 | { | 107 | { |
105 | struct tc6387xb_platform_data *data = platform_get_drvdata(dev); | 108 | struct tc6387xb_platform_data *pdata = dev->dev.platform_data; |
106 | struct resource *iomem; | 109 | struct resource *iomem; |
110 | struct clk *clk32k; | ||
107 | int irq, ret; | 111 | int irq, ret; |
108 | 112 | ||
109 | iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); | 113 | iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); |
110 | if (!iomem) { | 114 | if (!iomem) { |
111 | ret = -EINVAL; | 115 | return -EINVAL; |
112 | goto err_resource; | ||
113 | } | 116 | } |
114 | 117 | ||
115 | ret = platform_get_irq(dev, 0); | 118 | ret = platform_get_irq(dev, 0); |
@@ -118,8 +121,15 @@ static int tc6387xb_probe(struct platform_device *dev) | |||
118 | else | 121 | else |
119 | goto err_resource; | 122 | goto err_resource; |
120 | 123 | ||
121 | if (data && data->enable) | 124 | clk32k = clk_get(&dev->dev, "CLK_CK32K"); |
122 | data->enable(dev); | 125 | if (IS_ERR(clk32k)) { |
126 | ret = PTR_ERR(clk32k); | ||
127 | goto err_resource; | ||
128 | } | ||
129 | platform_set_drvdata(dev, clk32k); | ||
130 | |||
131 | if (pdata && pdata->enable) | ||
132 | pdata->enable(dev); | ||
123 | 133 | ||
124 | printk(KERN_INFO "Toshiba tc6387xb initialised\n"); | 134 | printk(KERN_INFO "Toshiba tc6387xb initialised\n"); |
125 | 135 | ||
@@ -134,18 +144,19 @@ static int tc6387xb_probe(struct platform_device *dev) | |||
134 | if (!ret) | 144 | if (!ret) |
135 | return 0; | 145 | return 0; |
136 | 146 | ||
147 | clk_put(clk32k); | ||
137 | err_resource: | 148 | err_resource: |
138 | return ret; | 149 | return ret; |
139 | } | 150 | } |
140 | 151 | ||
141 | static int tc6387xb_remove(struct platform_device *dev) | 152 | static int tc6387xb_remove(struct platform_device *dev) |
142 | { | 153 | { |
143 | struct tc6387xb_platform_data *data = platform_get_drvdata(dev); | 154 | struct clk *clk32k = platform_get_drvdata(dev); |
144 | |||
145 | if (data && data->disable) | ||
146 | data->disable(dev); | ||
147 | 155 | ||
148 | /* FIXME - free the resources! */ | 156 | mfd_remove_devices(&dev->dev); |
157 | clk_disable(clk32k); | ||
158 | clk_put(clk32k); | ||
159 | platform_set_drvdata(dev, NULL); | ||
149 | 160 | ||
150 | return 0; | 161 | return 0; |
151 | } | 162 | } |