| COPY_FROM_USER_TOIO(9) | Management of Cards and Device | COPY_FROM_USER_TOIO(9) |
NAME¶
copy_from_user_toio - copy data from user-space to mmio-space
SYNOPSIS¶
int copy_from_user_toio(volatile void __iomem * dst, const void __user * src, size_t count);
ARGUMENTS¶
dst
the destination pointer on mmio-space
src
the source pointer on user-space
count
the data size to copy in bytes
DESCRIPTION¶
Copies the data from user-space to mmio-space.
RETURN¶
Zero if successful, or non-zero on failure.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |