netdev - [PATCH v3 net-next 00/12] net: stmmac: Clean-up and tune-up

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Message-Id: <cover.1526651009.git.joabreu@synopsys.com>
Date:   Fri, 18 May 2018 14:55:57 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org
Cc:     Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Vitor Soares <Vitor.Soares@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
Subject: [PATCH v3 net-next 00/12] net: stmmac: Clean-up and tune-up

This targets to uniformize the handling of the different GMAC versions in
stmmac_main.c file and also tune-up the HW.

Currently there are some if/else conditions in the main source file which
calls different callbacks depending on the ID of GMAC.

With the introducion of a generic HW interface handling which automatically
selects the GMAC callbacks to be used, it is now unpleasant to see if
conditions in the main code because this should be completely agnostic of the
GMAC version.

This series removes most of these conditions. There are some if conditions
that remain untouched but the callbacks handling are now uniformized.

Tested in GMAC5, hope I didn't break any previous versions.

Please check [1] for performance analisys of patches 3-12.

---
David,

This will probably generate a merge conflict with [2] (which was not merged
yet). I'm waiting for Corentin input and then, if this series is merged
before, I will rebase [2]. Or the other way around if you prefer :D

Thanks
---

Cc: David S. Miller <davem@...emloft.net>
Cc: Joao Pinto <jpinto@...opsys.com>
Cc: Vitor Soares <soares@...opsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>

[1] https://marc.info/?l=linux-netdev&m=152656352607905&w=2
[2] https://patchwork.ozlabs.org/patch/915286/

Jose Abreu (12):
  net: stmmac: Enable OSP for GMAC4
  net: stmmac: Do not keep rearming the coalesce timer in stmmac_xmit
  net: stmmac: Let descriptor code set skbuff address
  net: stmmac: Let descriptor code clear the descriptor
  net: stmmac: Uniformize the use of dma_{rx/tx}_mode callbacks
  net: stmmac: Remove uneeded checks for GMAC version
  net: stmmac: Move PTP and MMC base address calculation to hwif.c
  net: stmmac: Uniformize the use of dma_init_* callbacks
  net: stmmac: Remove uneeded check for GMAC version in stmmac_xmit
  net: stmmac: Uniformize set_rx_owner()
  net: stmmac: Let descriptor code get skbuff address
  net: stmmac: Remove if condition by taking advantage of hwif return
    code

 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c  |   82 +++++---
 .../net/ethernet/stmicro/stmmac/dwmac1000_dma.c    |   92 ++++++----
 drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c |   35 +++--
 drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c |   34 +++-
 drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c   |    7 +-
 drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h   |    1 -
 drivers/net/ethernet/stmicro/stmmac/enh_desc.c     |   20 ++-
 drivers/net/ethernet/stmicro/stmmac/hwif.c         |   34 ++++
 drivers/net/ethernet/stmicro/stmmac/hwif.h         |   27 ++-
 drivers/net/ethernet/stmicro/stmmac/norm_desc.c    |   20 ++-
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |    1 +
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  |  198 +++++++-------------
 12 files changed, 323 insertions(+), 228 deletions(-)