copy_to_user_fromio (9) - Linux Manuals

copy_to_user_fromio: copy data from mmio-space to user-space

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.

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