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
Kernel Hackers Manual 4.8.                 January 2017                    COPY_FROM_USER_TOIO(9)