diff options
author | njl <njl@FreeBSD.org> | 2004-08-13 06:22:07 +0000 |
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committer | njl <njl@FreeBSD.org> | 2004-08-13 06:22:07 +0000 |
commit | 6184ec840c8e03a6963544bae3a12c7d4ea7f117 (patch) | |
tree | 57a7a67c4171df49dbe1abd87b1a119445e47e35 /sys/dev/acpica/acpi_pcib.c | |
parent | 136e740df9f9c4b7626d77311d87951d6bae08c3 (diff) | |
download | FreeBSD-src-6184ec840c8e03a6963544bae3a12c7d4ea7f117.zip FreeBSD-src-6184ec840c8e03a6963544bae3a12c7d4ea7f117.tar.gz |
MPSAFE locking
* Serialize calls to acpi_pcib_route_interrupt().
* Note that acpi_pcib_attach() should not be called concurrently.
Diffstat (limited to 'sys/dev/acpica/acpi_pcib.c')
-rw-r--r-- | sys/dev/acpica/acpi_pcib.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi_pcib.c b/sys/dev/acpica/acpi_pcib.c index e7086dc..f8b8e9d 100644 --- a/sys/dev/acpica/acpi_pcib.c +++ b/sys/dev/acpica/acpi_pcib.c @@ -45,6 +45,12 @@ __FBSDID("$FreeBSD$"); #define _COMPONENT ACPI_BUS ACPI_MODULE_NAME("PCI") +ACPI_SERIAL_DECL(pcib, "ACPI PCI bus methods"); + +/* + * For locking, we assume the caller is not concurrent since this is + * triggered by newbus methods. + */ int acpi_pcib_attach(device_t dev, ACPI_BUFFER *prt, int busno) { @@ -114,6 +120,8 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin) /* ACPI numbers pins 0-3, not 1-4 like the BIOS. */ pin--; + ACPI_SERIAL_BEGIN(pcib); + /* Look up the PRT entry for this device. */ entry = acpi_pci_find_prt(pcib, dev, pin); if (entry == NULL) { @@ -190,6 +198,7 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin) acpi_name(entry->prt_source)); out: + ACPI_SERIAL_END(pcib); return_VALUE (interrupt); } |