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If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/devfreq/rk3399_dmc.ko | grep alias
$
After this patch:
$ modinfo drivers/devfreq/rk3399_dmc.ko | grep alias
alias: of:N*T*Crockchip,rk3399-dmcC*
alias: of:N*T*Crockchip,rk3399-dmc
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
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Current code uses devm_regulator_get() in .probe so a regulator_put() will
be automatically called when unload the module. Remove the explictly
regulator_put() call and then we can also remove rk3399_dmcfreq_remove().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: MyngJoo Ham <myngjoo.ham@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
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