copy_from_user_toio (9) Linux Manual Page
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.