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net: macb: Fix SUBNS increment and increase resolution
authorHarini Katakam <harini.katakam@xilinx.com>
Thu, 27 Jun 2019 06:21:00 +0000 (11:51 +0530)
committerDavid S. Miller <davem@davemloft.net>
Sat, 29 Jun 2019 18:09:18 +0000 (11:09 -0700)
commit7ad342bc58cc5197cd2f12a3c30b3949528c6d83
treeab279b411a1b23c098c558af7b2231247251eb52tree | snapshot
parenta8ee4dc1b5937ef60e04e11c6dd6039099d1069dcommit | diff
net: macb: Fix SUBNS increment and increase resolution

The subns increment register has 24 bits as follows:
RegBit[15:0] = Subns[23:8]; RegBit[31:24] = Subns[7:0]

Fix the same in the driver and increase sub ns resolution to the
best capable, 24 bits. This should be the case on all GEM versions
that this PTP driver supports.

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/cadence/macb.h diff | blob | history
drivers/net/ethernet/cadence/macb_ptp.c diff | blob | history
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