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Rev 575 Rev 588
Line 60... Line 60...
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    if (chardev->counter == CHARDEV_BUFLEN - 1) {
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    if (chardev->counter == CHARDEV_BUFLEN - 1) {
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        /* buffer full => disable device interrupt */
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        /* buffer full => disable device interrupt */
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        chardev->op->suspend(chardev);
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        chardev->op->suspend(chardev);
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    }
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    }
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    putchar(ch);
 - 
 
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        chardev->buffer[chardev->index++] = ch;
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        chardev->buffer[chardev->index++] = ch;
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        chardev->index = chardev->index % CHARDEV_BUFLEN; /* index modulo size of buffer */
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        chardev->index = chardev->index % CHARDEV_BUFLEN; /* index modulo size of buffer */
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        waitq_wakeup(&chardev->wq, WAKEUP_FIRST);
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        waitq_wakeup(&chardev->wq, WAKEUP_FIRST);
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        spinlock_unlock(&chardev->lock);
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        spinlock_unlock(&chardev->lock);
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}
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}