dfb011d241
Yuval Mintz says:
====================
qed*: Add support for PTP
This patch series adds required changes for qed/qede drivers for
supporting the IEEE Precision Time Protocol (PTP).
Changes from previous versions:
v7: Fixed Kbuild robot warnings.
v6: Corrected broken loop iteration in previous version.
Reduced approximation error of adjfreq.
v5: Removed two divisions from the adjust-frequency loop.
Resulting logic would use 8 divisions [instead of 24].
v4: Remove the loop iteration for value '0' in the qed_ptp_hw_adjfreq()
implementation.
v3: Use div_s64 for 64-bit divisions as do_div gives error for signed
types.
Incorporated review comments from Richard Cochran.
- Clear timestamp resgisters as soon as timestamp is read.
- Use shift operation in the place of 'divide by 16'.
v2: Use do_div for 64-bit divisions.
====================
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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