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. September 2014 COPY_TO_USER_FROMIO(9)