Add an ioctl callback to the UIO device class. This can be useful when status and data are needed after an interrupt occurs.
Changes : - Add an uio_ioctl method - Add en ioctl entry in uio_info Neil Armstrong <[EMAIL PROTECTED]> Index: drivers/uio/uio.c =================================================================== --- drivers/uio/uio.c (revision 80) +++ drivers/uio/uio.c (working copy) @@ -378,6 +378,17 @@ return 0; } +static int uio_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg) +{ + struct uio_listener *listener = filep->private_data; + struct uio_device *idev = listener->dev; + + if (idev->info->ioctl) + return idev->info->ioctl(idev->info, cmd, arg); + + return -ENOSYS; +} + static ssize_t uio_read(struct file *filep, char __user *buf, size_t count, loff_t *ppos) { @@ -575,6 +586,7 @@ .mmap = uio_mmap, .poll = uio_poll, .fasync = uio_fasync, + .ioctl = uio_ioctl, }; static int uio_major_init(void) Index: include/linux/uio_driver.h =================================================================== --- include/linux/uio_driver.h (revision 80) +++ include/linux/uio_driver.h (working copy) @@ -68,6 +68,7 @@ int (*open)(struct uio_info *info, struct inode *inode); int (*release)(struct uio_info *info, struct inode *inode); int (*irqcontrol)(struct uio_info *info, s32 irq_on); + int (*ioctl)(struct uio_info *info, unsigned int cmd, unsigned long arg); }; extern int __must_check
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