diff options
Diffstat (limited to 'drivers/net/irda/ep7211_ir.c')
| -rw-r--r-- | drivers/net/irda/ep7211_ir.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/irda/ep7211_ir.c b/drivers/net/irda/ep7211_ir.c index 31896262d21c..4cba38f7e4a8 100644 --- a/drivers/net/irda/ep7211_ir.c +++ b/drivers/net/irda/ep7211_ir.c @@ -8,6 +8,7 @@ #include <linux/delay.h> #include <linux/tty.h> #include <linux/init.h> +#include <linux/spinlock.h> #include <net/irda/irda.h> #include <net/irda/irda_device.h> @@ -23,6 +24,8 @@ static void ep7211_ir_close(dongle_t *self); static int ep7211_ir_change_speed(struct irda_task *task); static int ep7211_ir_reset(struct irda_task *task); +static DEFINE_SPINLOCK(ep7211_lock); + static struct dongle_reg dongle = { .type = IRDA_EP7211_IR, .open = ep7211_ir_open, @@ -36,7 +39,7 @@ static void ep7211_ir_open(dongle_t *self, struct qos_info *qos) { unsigned int syscon1, flags; - save_flags(flags); cli(); + spin_lock_irqsave(&ep7211_lock, flags); /* Turn on the SIR encoder. */ syscon1 = clps_readl(SYSCON1); @@ -46,14 +49,14 @@ static void ep7211_ir_open(dongle_t *self, struct qos_info *qos) /* XXX: We should disable modem status interrupts on the first UART (interrupt #14). */ - restore_flags(flags); + spin_unlock_irqrestore(&ep7211_lock, flags); } static void ep7211_ir_close(dongle_t *self) { unsigned int syscon1, flags; - save_flags(flags); cli(); + spin_lock_irqsave(&ep7211_lock, flags); /* Turn off the SIR encoder. */ syscon1 = clps_readl(SYSCON1); @@ -63,7 +66,7 @@ static void ep7211_ir_close(dongle_t *self) /* XXX: If we've disabled the modem status interrupts, we should reset them back to their original state. */ - restore_flags(flags); + spin_unlock_irqrestore(&ep7211_lock, flags); } /* |