COPY_TO_USER_FROMIO(9)            Management of Cards and Device           COPY_TO_USER_FROMIO(9)



NAME
       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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    COPY_TO_USER_FROMIO(9)