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authorEric Miao2009-02-04 11:52:40 +0800
committerGreg Kroah-Hartman2009-03-24 16:38:24 -0700
commit57fee4a58fe802272742caae248872c392a60670 (patch)
treea3cd02fb3c1decb829c520d1a5319bef0ce7bd27 /drivers/leds/leds-ams-delta.c
parent71b3e0c1ad90f28e34c105069175cbd4edb43dfa (diff)
platform: introduce module id table for platform devices
Now platform_device is being widely used on SoC processors where the peripherals are attached to the system bus, which is simple enough. However, silicon IPs for these SoCs are usually shared heavily across a family of processors, even products from different companies. This makes the original simple driver name based matching insufficient, or simply not straight-forward. Introduce a module id table for platform devices, and makes it clear that a platform driver is able to support some shared IP and handle slight differences across different platforms (by 'driver_data'). Module alias is handled automatically when a MODULE_DEVICE_TABLE() is defined. To not disturb the current platform drivers too much, the matched id entry is recorded and can be retrieved by platform_get_device_id(). Signed-off-by: Eric Miao <eric.miao@marvell.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/leds/leds-ams-delta.c')
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