COPY_TO_USER_FROMIO(9) Sound Devices COPY_TO_USER_FROMIO(9)NAMEcopy_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.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 COPY_TO_USER_FROMIO(9)