diff options
Diffstat (limited to 'sys/alpha/pci/tsunami.c')
| -rw-r--r-- | sys/alpha/pci/tsunami.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sys/alpha/pci/tsunami.c b/sys/alpha/pci/tsunami.c index 1ca0803..3ca127b 100644 --- a/sys/alpha/pci/tsunami.c +++ b/sys/alpha/pci/tsunami.c @@ -31,7 +31,9 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> +#include <sys/lock.h> #include <sys/module.h> +#include <sys/mutex.h> #include <sys/bus.h> #include <machine/bus.h> #include <sys/proc.h> @@ -305,15 +307,23 @@ tsunami_attach(device_t dev) static void tsunami_disable_intr_vec(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 tsunami_enable_intr_vec(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 @@ -335,7 +345,9 @@ tsunami_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 TSUNAMI irq %d\n", (int) irq->r_start); @@ -391,7 +403,6 @@ tsunami_intr_disable(int irq) saved_mask = *mask; alpha_mb(); alpha_mb(); - } |
