diff options
author | Dmitry Kalinkin <dmitry.kalinkin@gmail.com> | 2015-06-13 16:34:01 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-14 00:46:38 +0300 |
commit | e4aea6aa03267b496c21abefe170bb0d77192882 (patch) | |
tree | 1e426bbbf23ca43f6ff730398bf4fff0054795eb /drivers/staging/vme | |
parent | 07e9e619db50ad6704e714f8160a59f1de3cf93c (diff) | |
download | linux-e4aea6aa03267b496c21abefe170bb0d77192882.tar.xz |
staging: vme_user: remove forward declarations
Reorder code so that forward declarations are not needed.
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vme')
-rw-r--r-- | drivers/staging/vme/devices/vme_user.c | 139 |
1 files changed, 60 insertions, 79 deletions
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index 449b8cd1dcb0..8e46d606d42a 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -116,44 +116,11 @@ static const int type[VME_DEVS] = { MASTER_MINOR, MASTER_MINOR, CONTROL_MINOR }; - -static int vme_user_open(struct inode *, struct file *); -static int vme_user_release(struct inode *, struct file *); -static ssize_t vme_user_read(struct file *, char __user *, size_t, loff_t *); -static ssize_t vme_user_write(struct file *, const char __user *, size_t, - loff_t *); -static loff_t vme_user_llseek(struct file *, loff_t, int); -static long vme_user_unlocked_ioctl(struct file *, unsigned int, unsigned long); -static int vme_user_mmap(struct file *file, struct vm_area_struct *vma); - -static void vme_user_vm_open(struct vm_area_struct *vma); -static void vme_user_vm_close(struct vm_area_struct *vma); - -static int vme_user_match(struct vme_dev *); -static int vme_user_probe(struct vme_dev *); -static int vme_user_remove(struct vme_dev *); - -static const struct file_operations vme_user_fops = { - .open = vme_user_open, - .release = vme_user_release, - .read = vme_user_read, - .write = vme_user_write, - .llseek = vme_user_llseek, - .unlocked_ioctl = vme_user_unlocked_ioctl, - .compat_ioctl = vme_user_unlocked_ioctl, - .mmap = vme_user_mmap, -}; - struct vme_user_vma_priv { unsigned int minor; atomic_t refcnt; }; -static const struct vm_operations_struct vme_user_vm_ops = { - .open = vme_user_vm_open, - .close = vme_user_vm_close, -}; - static int vme_user_open(struct inode *inode, struct file *file) { @@ -582,6 +549,11 @@ static void vme_user_vm_close(struct vm_area_struct *vma) kfree(vma_priv); } +static const struct vm_operations_struct vme_user_vm_ops = { + .open = vme_user_vm_open, + .close = vme_user_vm_close, +}; + static int vme_user_master_mmap(unsigned int minor, struct vm_area_struct *vma) { int err; @@ -623,6 +595,16 @@ static int vme_user_mmap(struct file *file, struct vm_area_struct *vma) return -ENODEV; } +static const struct file_operations vme_user_fops = { + .open = vme_user_open, + .release = vme_user_release, + .read = vme_user_read, + .write = vme_user_write, + .llseek = vme_user_llseek, + .unlocked_ioctl = vme_user_unlocked_ioctl, + .compat_ioctl = vme_user_unlocked_ioctl, + .mmap = vme_user_mmap, +}; /* * Unallocate a previously allocated buffer @@ -649,52 +631,6 @@ static void buf_unalloc(int num) } } -static struct vme_driver vme_user_driver = { - .name = driver_name, - .match = vme_user_match, - .probe = vme_user_probe, - .remove = vme_user_remove, -}; - - -static int __init vme_user_init(void) -{ - int retval = 0; - - pr_info("VME User Space Access Driver\n"); - - if (bus_num == 0) { - pr_err("No cards, skipping registration\n"); - retval = -ENODEV; - goto err_nocard; - } - - /* Let's start by supporting one bus, we can support more than one - * in future revisions if that ever becomes necessary. - */ - if (bus_num > VME_USER_BUS_MAX) { - pr_err("Driver only able to handle %d buses\n", - VME_USER_BUS_MAX); - bus_num = VME_USER_BUS_MAX; - } - - /* - * Here we just register the maximum number of devices we can and - * leave vme_user_match() to allow only 1 to go through to probe(). - * This way, if we later want to allow multiple user access devices, - * we just change the code in vme_user_match(). - */ - retval = vme_register_driver(&vme_user_driver, VME_MAX_SLOTS); - if (retval != 0) - goto err_reg; - - return retval; - -err_reg: -err_nocard: - return retval; -} - static int vme_user_match(struct vme_dev *vdev) { int i; @@ -916,6 +852,51 @@ static int vme_user_remove(struct vme_dev *dev) return 0; } +static struct vme_driver vme_user_driver = { + .name = driver_name, + .match = vme_user_match, + .probe = vme_user_probe, + .remove = vme_user_remove, +}; + +static int __init vme_user_init(void) +{ + int retval = 0; + + pr_info("VME User Space Access Driver\n"); + + if (bus_num == 0) { + pr_err("No cards, skipping registration\n"); + retval = -ENODEV; + goto err_nocard; + } + + /* Let's start by supporting one bus, we can support more than one + * in future revisions if that ever becomes necessary. + */ + if (bus_num > VME_USER_BUS_MAX) { + pr_err("Driver only able to handle %d buses\n", + VME_USER_BUS_MAX); + bus_num = VME_USER_BUS_MAX; + } + + /* + * Here we just register the maximum number of devices we can and + * leave vme_user_match() to allow only 1 to go through to probe(). + * This way, if we later want to allow multiple user access devices, + * we just change the code in vme_user_match(). + */ + retval = vme_register_driver(&vme_user_driver, VME_MAX_SLOTS); + if (retval != 0) + goto err_reg; + + return retval; + +err_reg: +err_nocard: + return retval; +} + static void __exit vme_user_exit(void) { vme_unregister_driver(&vme_user_driver); |