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authorLars-Peter Clausen <lars@metafoo.de>2010-01-22 12:24:26 +0100
committerLars-Peter Clausen <lars@metafoo.de>2010-01-22 13:32:44 +0100
commit2309506dd3f46e5dafb19c92b9d2d10166cd14e7 (patch)
tree975e896c26bb3ba238f8270b42282b71230311e0 /arch
parent4b77b926aee4832bdb86b46fc5a7b0f2e4467225 (diff)
Instead of adding a probe_completed callback to each an every driver install a
bus notify handler and handle this in a generic way.
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c2442/mach-gta02.c74
1 files changed, 65 insertions, 9 deletions
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c
index 1480881268c..b182c3392a2 100644
--- a/arch/arm/mach-s3c2442/mach-gta02.c
+++ b/arch/arm/mach-s3c2442/mach-gta02.c
@@ -723,7 +723,6 @@ static void gta02_jbt6k74_probe_completed(struct device *dev)
}
const struct jbt6k74_platform_data jbt6k74_pdata = {
- .probe_completed = gta02_jbt6k74_probe_completed,
.gpio_reset = GTA02_GPIO_GLAMO(4),
};
@@ -871,12 +870,6 @@ struct platform_device gta02_platform_bat = {
/* HDQ */
-static void gta02_hdq_attach_child_devices(struct device *parent_device)
-{
- bq27000_battery_device.dev.parent = parent_device;
- platform_device_register(&bq27000_battery_device);
-}
-
static void gta02_hdq_gpio_direction_out(void)
{
s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
@@ -1037,7 +1030,6 @@ const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
};
struct hdq_platform_data gta02_hdq_platform_data = {
- .attach_child_devices = gta02_hdq_attach_child_devices,
.gpio_dir_out = gta02_hdq_gpio_direction_out,
.gpio_dir_in = gta02_hdq_gpio_direction_in,
.gpio_set = gta02_hdq_gpio_set_value,
@@ -1046,7 +1038,6 @@ struct hdq_platform_data gta02_hdq_platform_data = {
.enable_fiq = gta02_fiq_enable,
.disable_fiq = gta02_fiq_disable,
.kick_fiq = gta02_fiq_kick,
-
};
struct platform_device gta02_hdq_device = {
@@ -1130,6 +1121,71 @@ static void gta02_poweroff(void)
pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
}
+
+struct gta02_device_children {
+ const char *dev_name;
+ size_t num_children;
+ struct platform_device **children;
+ void (*probed_callback)(struct device *dev);
+};
+
+static struct platform_device* gta02_hdq_children[] = {
+ &bq27000_battery_device,
+};
+
+static struct gta02_device_children gta02_device_children[] = {
+ {
+ .dev_name = "hdq.0",
+ .num_children = 1,
+ .children = gta02_hdq_children,
+ },
+ {
+ .dev_name = "spi2.0",
+ .probed_callback = gta02_jbt6k74_probe_completed,
+ },
+};
+
+static int gta02_add_child_devices(struct device *parent,
+ struct platform_device **children,
+ size_t num_children)
+{
+ size_t i;
+
+ for (i = 0; i < num_children; ++i)
+ children[i]->dev.parent = parent;
+
+ return platform_add_devices(children, num_children);
+}
+
+static int gta02_device_registered(struct notifier_block *block,
+ unsigned long action, void *data)
+{
+ struct device *dev = data;
+ const char *devname = dev_name(dev);
+ size_t i;
+
+ if (action != BUS_NOTIFY_BOUND_DRIVER)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(gta02_device_children); ++i) {
+ if (strcmp(devname, gta02_device_children[i].dev_name) == 0) {
+ gta02_add_child_devices(dev, gta02_device_children[i].children,
+ gta02_device_children[i].num_children);
+
+ if (gta02_device_children[i].probed_callback)
+ gta02_device_children[i].probed_callback(dev);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static struct notifier_block gta02_device_register_notifier = {
+ .notifier_call = gta02_device_registered,
+ .priority = INT_MAX,
+};
+
/* On hardware rev 5 and earlier the leds are missing a resistor and reading
* from their gpio pins will always return 0, so we have to shadow the
* led states software */