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Change Embedded Controller lock to ACPI Global Lock.This is needed for

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mutual execution between  BIOS and OS.
This commit is contained in:
Takanori Watanabe 2001-01-02 05:22:35 +00:00
parent e311d7d06c
commit 7a1d55dfd0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=70591
1 changed files with 2 additions and 11 deletions
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13
sys/dev/acpica/acpi_ec.c
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@ -158,7 +158,6 @@ MODULE_NAME("EC")
struct acpi_ec_softc {
device_t ec_dev;
ACPI_HANDLE ec_handle;
ACPI_HANDLE ec_semaphore;
UINT32 ec_gpebit;
int ec_data_rid;
@ -183,7 +182,7 @@ EcLock(struct acpi_ec_softc *sc)
{
ACPI_STATUS status;
status = AcpiOsWaitSemaphore((sc)->ec_semaphore, 1, EC_LOCK_TIMEOUT);
status = AcpiAcquireGlobalLock();
(sc)->ec_locked = 1;
return(status);
}
@ -192,7 +191,7 @@ static __inline void
EcUnlock(struct acpi_ec_softc *sc)
{
(sc)->ec_locked = 0;
AcpiOsSignalSemaphore((sc)->ec_semaphore, 1);
AcpiReleaseGlobalLock();
}
static __inline int
@ -328,14 +327,6 @@ acpi_ec_attach(device_t dev)
sc->ec_csr_tag = rman_get_bustag(sc->ec_csr_res);
sc->ec_csr_handle = rman_get_bushandle(sc->ec_csr_res);
/*
* Create serialisation semaphore
*/
if ((Status = AcpiOsCreateSemaphore(1, 1, &sc->ec_semaphore)) != AE_OK) {
device_printf(dev, "can't create semaphore - %s\n", acpi_strerror(Status));
return_VALUE(ENXIO);
}
/*
* Install GPE handler
*