sound/core/memory.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
15  * copy_to_user_fromio - copy data from mmio-space to user-space
16  * @dst: the destination pointer on user-space
20  * Copies the data from mmio-space to user-space.
22  * Return: Zero if successful, or non-zero on failure.
29 		return -EFAULT;  in copy_to_user_fromio()
35  * copy_to_iter_fromio - copy data from mmio-space to iov_iter
40  * Copies the data from mmio-space to iov_iter.
42  * Return: Zero if successful, or non-zero on failure.
48 	return copy_to_iter((const void __force *)src, count, dst) == count ? 0 : -EFAULT;  in copy_to_iter_fromio()
57 			return -EFAULT;  in copy_to_iter_fromio()
58 		count -= c;  in copy_to_iter_fromio()
67  * copy_from_user_toio - copy data from user-space to mmio-space
68  * @dst: the destination pointer on mmio-space
69  * @src: the source pointer on user-space
72  * Copies the data from user-space to mmio-space.
74  * Return: Zero if successful, or non-zero on failure.
81 		return -EFAULT;  in copy_from_user_toio()
87  * copy_from_iter_toio - copy data from iov_iter to mmio-space
88  * @dst: the destination pointer on mmio-space
92  * Copies the data from iov_iter to mmio-space.
94  * Return: Zero if successful, or non-zero on failure.
99 	return copy_from_iter((void __force *)dst, count, src) == count ? 0 : -EFAULT;  in copy_from_iter_toio()
107 			return -EFAULT;  in copy_from_iter_toio()
109 		count -= c;  in copy_from_iter_toio()