Date: Fri, 10 May 2013 22:43:27 +0000 (UTC) From: Hiren Panchasara <hiren@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250487 - head/sys/x86/cpufreq Message-ID: <201305102243.r4AMhRQh086268@svn.freebsd.org>
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Author: hiren Date: Fri May 10 22:43:27 2013 New Revision: 250487 URL: http://svnweb.freebsd.org/changeset/base/250487 Log: 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 Modified: head/sys/x86/cpufreq/p4tcc.c Modified: head/sys/x86/cpufreq/p4tcc.c ============================================================================== --- head/sys/x86/cpufreq/p4tcc.c Fri May 10 21:39:41 2013 (r250486) +++ head/sys/x86/cpufreq/p4tcc.c Fri May 10 22:43:27 2013 (r250487) @@ -73,6 +73,7 @@ static int p4tcc_features(driver_t *driv static void p4tcc_identify(driver_t *driver, device_t parent); static int p4tcc_probe(device_t dev); static int p4tcc_attach(device_t dev); +static int p4tcc_detach(device_t dev); static int p4tcc_settings(device_t dev, struct cf_setting *sets, int *count); static int p4tcc_set(device_t dev, const struct cf_setting *set); @@ -84,6 +85,7 @@ static device_method_t p4tcc_methods[] = DEVMETHOD(device_identify, p4tcc_identify), DEVMETHOD(device_probe, p4tcc_probe), DEVMETHOD(device_attach, p4tcc_attach), + DEVMETHOD(device_detach, p4tcc_detach), /* cpufreq interface */ DEVMETHOD(cpufreq_drv_set, p4tcc_set), @@ -213,6 +215,24 @@ p4tcc_attach(device_t dev) } static int +p4tcc_detach(device_t dev) +{ + struct cf_setting set; + int error; + + error = cpufreq_unregister(dev); + if (error) + return (error); + + /* + * Before we finish detach, switch to Automatic mode. + */ + set.freq = 10000; + p4tcc_set(dev, &set); + return(0); +} + +static int p4tcc_settings(device_t dev, struct cf_setting *sets, int *count) { struct p4tcc_softc *sc;
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