diff options
author | Olof Johansson <olof@lixom.net> | 2012-02-07 15:04:15 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2012-02-07 15:05:20 -0800 |
commit | a5f17d1f4c2831b9b9bf8b1a537cdbac995d6e13 (patch) | |
tree | cce7eab28de00a88d75b8eda704f5838e10947b1 /drivers/mfd/mcp-core.c | |
parent | dcf81c1af839b77b44404453ecae6e5ac5a75f05 (diff) | |
parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) |
Merge tag 'v3.3-rc2' into depends/rmk/for-armsoc
There were conflicts between fixes going in after 3.3-rc1 and
Russell's stable arm-soc base branch. Resolving it in the dependency
branch so that each topic branch shares the same resolution.
Conflicts:
arch/arm/mach-at91/at91cap9.c
arch/arm/mach-at91/at91sam9g45.c
Diffstat (limited to 'drivers/mfd/mcp-core.c')
-rw-r--r-- | drivers/mfd/mcp-core.c | 61 |
1 files changed, 13 insertions, 48 deletions
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c index 63be60bc345..86cc3f7841c 100644 --- a/drivers/mfd/mcp-core.c +++ b/drivers/mfd/mcp-core.c @@ -26,35 +26,9 @@ #define to_mcp(d) container_of(d, struct mcp, attached_device) #define to_mcp_driver(d) container_of(d, struct mcp_driver, drv) -static const struct mcp_device_id *mcp_match_id(const struct mcp_device_id *id, - const char *codec) -{ - while (id->name[0]) { - if (strcmp(codec, id->name) == 0) - return id; - id++; - } - return NULL; -} - -const struct mcp_device_id *mcp_get_device_id(const struct mcp *mcp) -{ - const struct mcp_driver *driver = - to_mcp_driver(mcp->attached_device.driver); - - return mcp_match_id(driver->id_table, mcp->codec); -} -EXPORT_SYMBOL(mcp_get_device_id); - static int mcp_bus_match(struct device *dev, struct device_driver *drv) { - const struct mcp *mcp = to_mcp(dev); - const struct mcp_driver *driver = to_mcp_driver(drv); - - if (driver->id_table) - return !!mcp_match_id(driver->id_table, mcp->codec); - - return 0; + return 1; } static int mcp_bus_probe(struct device *dev) @@ -100,18 +74,9 @@ static int mcp_bus_resume(struct device *dev) return ret; } -static int mcp_bus_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - struct mcp *mcp = to_mcp(dev); - - add_uevent_var(env, "MODALIAS=%s%s", MCP_MODULE_PREFIX, mcp->codec); - return 0; -} - static struct bus_type mcp_bus_type = { .name = "mcp", .match = mcp_bus_match, - .uevent = mcp_bus_uevent, .probe = mcp_bus_probe, .remove = mcp_bus_remove, .suspend = mcp_bus_suspend, @@ -128,9 +93,11 @@ static struct bus_type mcp_bus_type = { */ void mcp_set_telecom_divisor(struct mcp *mcp, unsigned int div) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + + spin_lock_irqsave(&mcp->lock, flags); mcp->ops->set_telecom_divisor(mcp, div); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_set_telecom_divisor); @@ -143,9 +110,11 @@ EXPORT_SYMBOL(mcp_set_telecom_divisor); */ void mcp_set_audio_divisor(struct mcp *mcp, unsigned int div) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + + spin_lock_irqsave(&mcp->lock, flags); mcp->ops->set_audio_divisor(mcp, div); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_set_audio_divisor); @@ -198,10 +167,11 @@ EXPORT_SYMBOL(mcp_reg_read); */ void mcp_enable(struct mcp *mcp) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + spin_lock_irqsave(&mcp->lock, flags); if (mcp->use_count++ == 0) mcp->ops->enable(mcp); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_enable); @@ -247,14 +217,9 @@ struct mcp *mcp_host_alloc(struct device *parent, size_t size) } EXPORT_SYMBOL(mcp_host_alloc); -int mcp_host_register(struct mcp *mcp, void *pdata) +int mcp_host_register(struct mcp *mcp) { - if (!mcp->codec) - return -EINVAL; - - mcp->attached_device.platform_data = pdata; dev_set_name(&mcp->attached_device, "mcp0"); - request_module("%s%s", MCP_MODULE_PREFIX, mcp->codec); return device_register(&mcp->attached_device); } EXPORT_SYMBOL(mcp_host_register); |