Adding a detach method to p4tcc driver.
PR: 118739 Submitted by: Dan Lukes <dan@obluda.cz> (earlier version) Reviewed by: jhb Approved by: sbruno (mentor) MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=250487
@ -73,6 +73,7 @@ static int p4tcc_features(driver_t *driver, u_int *features);
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static void p4tcc_identify(driver_t *driver, device_t parent);
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static int p4tcc_probe(device_t dev);
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static int p4tcc_attach(device_t dev);
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static int p4tcc_detach(device_t dev);
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static int p4tcc_settings(device_t dev, struct cf_setting *sets,
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int *count);
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static int p4tcc_set(device_t dev, const struct cf_setting *set);
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@ -84,6 +85,7 @@ static device_method_t p4tcc_methods[] = {
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DEVMETHOD(device_identify, p4tcc_identify),
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DEVMETHOD(device_probe, p4tcc_probe),
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DEVMETHOD(device_attach, p4tcc_attach),
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DEVMETHOD(device_detach, p4tcc_detach),
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/* cpufreq interface */
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DEVMETHOD(cpufreq_drv_set, p4tcc_set),
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@ -212,6 +214,24 @@ p4tcc_attach(device_t dev)
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return (0);
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}
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static int
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p4tcc_detach(device_t dev)
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{
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struct cf_setting set;
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int error;
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error = cpufreq_unregister(dev);
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if (error)
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return (error);
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/*
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* Before we finish detach, switch to Automatic mode.
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*/
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set.freq = 10000;
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p4tcc_set(dev, &set);
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return(0);
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}
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static int
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p4tcc_settings(device_t dev, struct cf_setting *sets, int *count)
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{
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