diff options
Diffstat (limited to 'drivers/mailbox/omap-mailbox.c')
| -rw-r--r-- | drivers/mailbox/omap-mailbox.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c index d79a646b9042..eab72276ffab 100644 --- a/drivers/mailbox/omap-mailbox.c +++ b/drivers/mailbox/omap-mailbox.c @@ -24,7 +24,6 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/mutex.h> -#include <linux/delay.h> #include <linux/slab.h> #include <linux/kfifo.h> #include <linux/err.h> @@ -74,20 +73,6 @@ static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) /* * message sender */ -static int __mbox_poll_for_space(struct omap_mbox *mbox) -{ - int ret = 0, i = 1000; - - while (mbox_fifo_full(mbox)) { - if (mbox->ops->type == OMAP_MBOX_TYPE2) - return -1; - if (--i == 0) - return -1; - udelay(1); - } - return ret; -} - int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg) { struct omap_mbox_queue *mq = mbox->txq; @@ -100,7 +85,7 @@ int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg) goto out; } - if (kfifo_is_empty(&mq->fifo) && !__mbox_poll_for_space(mbox)) { + if (kfifo_is_empty(&mq->fifo) && !mbox_fifo_full(mbox)) { mbox_fifo_write(mbox, msg); goto out; } @@ -158,7 +143,7 @@ static void mbox_tx_tasklet(unsigned long tx_data) int ret; while (kfifo_len(&mq->fifo)) { - if (__mbox_poll_for_space(mbox)) { + if (mbox_fifo_full(mbox)) { omap_mbox_enable_irq(mbox, IRQ_TX); break; } @@ -223,9 +208,6 @@ static void __mbox_rx_interrupt(struct omap_mbox *mbox) len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg)); WARN_ON(len != sizeof(msg)); - - if (mbox->ops->type == OMAP_MBOX_TYPE1) - break; } /* no more messages in the fifo. clear IRQ source. */ |