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.

Returns zero if successful, or non-zero on failure.

COPYRIGHT Kernel Hackers Manual 2.6. January 2013 COPY_TO_USER_FROMIO(9)