diff options
author | Simon Horman <horms+renesas@verge.net.au> | 2019-09-05 17:10:57 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-09-06 16:46:09 +0200 |
commit | 009a470365b37106bbd66f1e1a53bc6c3c0072bc (patch) | |
tree | b5a0429b3cae1fbc90dd854f8c803dea60be464c /drivers/net/ethernet/renesas/ravb.h | |
parent | 845e4b8014a58c23530aa4a7f3187ac13d487530 (diff) |
ravb: remove undocumented counter processing
This patch removes the use of the undocumented counter registers
CDCR, LCCR, CERCR, CEECR.
Offsets used for undocumented registers are considered reserved and
should not be written to. After some internal investigation with Renesas
it remains unclear why this driver accesses these fields but regardless of
what the historical reasons are the current code is considered incorrect.
Based on work by Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb.h')
-rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 2596a95a4300..70eeceb7f8ae 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -194,15 +194,11 @@ enum ravb_reg { MAHR = 0x05c0, MALR = 0x05c8, TROCR = 0x0700, /* Undocumented? */ - CDCR = 0x0708, /* Undocumented? */ - LCCR = 0x0710, /* Undocumented? */ CEFCR = 0x0740, FRECR = 0x0748, TSFRCR = 0x0750, TLFRCR = 0x0758, RFCR = 0x0760, - CERCR = 0x0768, /* Undocumented? */ - CEECR = 0x0770, /* Undocumented? */ MAFCR = 0x0778, }; |