1COPY_TO_USER_FROMIO(9)  Management of Cards and Device  COPY_TO_USER_FROMIO(9)
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NAME

6       copy_to_user_fromio - copy data from mmio-space to user-space
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SYNOPSIS

9       int copy_to_user_fromio(void __user * dst,
10                               const volatile void __iomem * src,
11                               size_t count);
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ARGUMENTS

14       dst
15           the destination pointer on user-space
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17       src
18           the source pointer on mmio
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20       count
21           the data size to copy in bytes
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DESCRIPTION

24       Copies the data from mmio-space to user-space.
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26       Returns zero if successful, or non-zero on failure.
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29Kernel Hackers Manual 2.6.         June 2019            COPY_TO_USER_FROMIO(9)
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