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authorDavid Brownell <david-b@pacbell.net>2006-11-16 23:28:47 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-01 14:52:02 -0800
commitc67334fbdfbba533af767610cf3fde8a49710e62 (patch)
treec386f3aa4af94bb7d24ddb18b51f90bcb9a4d599 /drivers/net/e1000
parentacf02d23b96efa92e7cff05987122ceeb37dd075 (diff)
Driver core: platform_driver_probe(), can save codespace
This defines a new platform_driver_probe() method allowing the driver's probe() method, and its support code+data, to safely live in __init sections for typical system configurations. Many system-on-chip processors could benefit from this API, to the tune of recovering hundreds to thousands of bytes per driver. That's memory which is currently wasted holding code which can never be called after system startup, yet can not be removed. It can't be removed because of the linkage requirement that pointers to init section code (like, ideally, probe support) must not live in other sections (like driver method tables) after those pointers would be invalid. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net/e1000')
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