copy_to_user_fromio (9) Linux Manual Page
copy_to_user_fromio – copy data from mmio-space to user-space
Synopsis
int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);Arguments
dst
-
- the destination pointer on user-space
src
- the source pointer on mmio
count
- the data size to copy in bytes
Description
Copies the data from mmio-space to user-space.
Return
Zero if successful, or non-zero on failure.