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mfd: core: Add helper function to register hotplug devices

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Hot-pluggable multi-function devices should always be registered with
PLATFORM_DEVID_AUTO to avoid name collisions on the platform bus. This
helper also hides the memory map and irq parameters, which aren't used
by hot-pluggable (e.g. USB-based) devices.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Johan Hovold 2014-09-26 12:55:30 +02:00 committed by Lee Jones
parent f114040e3e
commit a7975473cc
1 changed files with 7 additions and 0 deletions
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7
include/linux/mfd/core.h
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@ -111,6 +111,13 @@ extern int mfd_add_devices(struct device *parent, int id,
struct resource *mem_base,
int irq_base, struct irq_domain *irq_domain);
static inline int mfd_add_hotplug_devices(struct device *parent,
const struct mfd_cell *cells, int n_devs)
{
return mfd_add_devices(parent, PLATFORM_DEVID_AUTO, cells, n_devs,
NULL, 0, NULL);
}
extern void mfd_remove_devices(struct device *parent);
#endif