1MCA_READ_POS(9) Public Functions Provided MCA_READ_POS(9)
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6 mca_read_pos - read POS register from card
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9 unsigned char mca_read_pos(int slot, int reg);
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12 slot
13 slot number to read from
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15 reg
16 register to read from
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19 Fetch a POS value directly from the hardware to obtain the current
20 value. This is much slower than mca_read_stored_pos and may not be
21 invoked from interrupt context. It handles the deep magic required for
22 onboard devices transparently.
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25 Alan Cox <alan@lxorguk.ukuu.org.uk>
26 Author.
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28 David Weinehall
29 Author.
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31 Chris Beauregard
32 Author.
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35Kernel Hackers Manual 2.6. November 2011 MCA_READ_POS(9)