fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / sbus / char / bbc_i2c.c

diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 1c8b612..8410587 100644 (file)
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -187,19 +187,20 @@ static int wait_for_pin(struct bbc_i2c_bus *bp, u8 *status)
        bp->waiting = 1;
        add_wait_queue(&bp->wq, &wait);
        while (limit-- > 0) {
-               u8 val;
-
-               set_current_state(TASK_INTERRUPTIBLE);
-               *status = val = readb(bp->i2c_control_regs + 0);
-               if ((val & I2C_PCF_PIN) == 0) {
+               unsigned long val;
+
+               val = wait_event_interruptible_timeout(
+                               bp->wq,
+                               (((*status = readb(bp->i2c_control_regs + 0))
+                                 & I2C_PCF_PIN) == 0),
+                               msecs_to_jiffies(250));
+               if (val > 0) {
                        ret = 0;
                        break;
                }
-               msleep_interruptible(250);
        }
        remove_wait_queue(&bp->wq, &wait);
        bp->waiting = 0;
-       current->state = TASK_RUNNING;
 
        return ret;
 }
@@ -331,7 +332,7 @@ EXPORT_SYMBOL(bbc_i2c_readb);
 EXPORT_SYMBOL(bbc_i2c_write_buf);
 EXPORT_SYMBOL(bbc_i2c_read_buf);
 
-static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id)
 {
        struct bbc_i2c_bus *bp = dev_id;
 
@@ -340,7 +341,7 @@ static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id, struct pt_regs *regs
         */
        if (bp->waiting &&
            !(readb(bp->i2c_control_regs + 0x0) & I2C_PCF_PIN))
-               wake_up(&bp->wq);
+               wake_up_interruptible(&bp->wq);
 
        return IRQ_HANDLED;
 }
@@ -377,7 +378,7 @@ static int __init attach_one_i2c(struct linux_ebus_device *edev, int index)
        bp->waiting = 0;
        init_waitqueue_head(&bp->wq);
        if (request_irq(edev->irqs[0], bbc_i2c_interrupt,
-                       SA_SHIRQ, "bbc_i2c", bp))
+                       IRQF_SHARED, "bbc_i2c", bp))
                goto fail;
 
        bp->index = index;
@@ -423,7 +424,7 @@ static int __init bbc_present(void)
 
        for_each_ebus(ebus) {
                for_each_ebusdev(edev, ebus) {
-                       if (!strcmp(edev->prom_name, "bbc"))
+                       if (!strcmp(edev->prom_node->name, "bbc"))
                                return 1;
                }
        }
@@ -440,12 +441,13 @@ static int __init bbc_i2c_init(void)
        struct linux_ebus_device *edev = NULL;
        int err, index = 0;
 
-       if (tlb_type != cheetah || !bbc_present())
+       if ((tlb_type != cheetah && tlb_type != cheetah_plus) ||
+           !bbc_present())
                return -ENODEV;
 
        for_each_ebus(ebus) {
                for_each_ebusdev(edev, ebus) {
-                       if (!strcmp(edev->prom_name, "i2c")) {
+                       if (!strcmp(edev->prom_node->name, "i2c")) {
                                if (!attach_one_i2c(edev, index))
                                        index++;
                        }
@@ -486,3 +488,4 @@ static void bbc_i2c_cleanup(void)
 
 module_init(bbc_i2c_init);
 module_exit(bbc_i2c_cleanup);
+MODULE_LICENSE("GPL");