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authorKevin Hilman <khilman@ti.com>2010-08-25 12:50:00 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 10:16:42 -0700
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tree331fe35475ec201c69c2292773a229659e07eb8b /Documentation/ABI/testing/sysfs-module
parent1037246cacd45d951227c8798f181b3ba5c8bcbe (diff)
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driver core: platform_bus: allow runtime override of dev_pm_ops
Currently, the platform_bus allows customization of several of the busses dev_pm_ops methods by using weak symbols so that platform code can override them. The weak-symbol approach is not scalable when wanting to support multiple platforms in a single kernel binary. Instead, provide __init methods for platform code to customize the dev_pm_ops methods at runtime. NOTE: after these dynamic methods are merged, the weak symbols should be removed from drivers/base/platform.c. AFAIK, this will only affect SH and sh-mobile which should be converted to use this runtime approach instead of the weak symbols. After SH & sh-mobile are converted, the weak symobols could be removed. Tested on OMAP3. Cc: Magnus Damm <magnus.damm@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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