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 <d...@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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