diff options
Diffstat (limited to 'sys/alpha/pci/cia.c')
| -rw-r--r-- | sys/alpha/pci/cia.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/alpha/pci/cia.c b/sys/alpha/pci/cia.c index 09436e3..40f205c 100644 --- a/sys/alpha/pci/cia.c +++ b/sys/alpha/pci/cia.c @@ -94,8 +94,10 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> -#include <sys/module.h> +#include <sys/lock.h> #include <sys/malloc.h> +#include <sys/module.h> +#include <sys/mutex.h> #include <sys/bus.h> #include <machine/bus.h> #include <sys/proc.h> @@ -513,15 +515,23 @@ cia_attach(device_t dev) static void cia_disable_intr(int vector) { - int irq = (vector - 0x900) >> 4; + int irq; + + irq = (vector - 0x900) >> 4; + mtx_lock_spin(&icu_lock); platform.pci_intr_disable(irq); + mtx_unlock_spin(&icu_lock); } static void cia_enable_intr(int vector) { - int irq = (vector - 0x900) >> 4; + int irq; + + irq = (vector - 0x900) >> 4; + mtx_lock_spin(&icu_lock); platform.pci_intr_enable(irq); + mtx_unlock_spin(&icu_lock); } static int @@ -544,7 +554,9 @@ cia_setup_intr(device_t dev, device_t child, return error; /* Enable PCI interrupt */ + mtx_lock_spin(&icu_lock); platform.pci_intr_enable(irq->r_start); + mtx_unlock_spin(&icu_lock); device_printf(child, "interrupting at CIA irq %d\n", (int) irq->r_start); |
