copy_to_user_fromio man page on Oracle

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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 3.8.	   June 2014		COPY_TO_USER_FROMIO(9)
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