On 27/05/16 09:22, Iyappan Subramanian wrote:
This patchset addresses the following issues,
1. hot-plug issue on the SGMII 1G interface
- by adding a driver for MDIO management
2. fixes the kernel crash when the driver loaded as an kernel module
- by fixing hardware cleanups and rearrange kernel API calls
Signed-off-by: Iyappan Subramanian <isubramanian@xxxxxxx>
---
Without this patches we observed problems on some hardware when the
driver was loaded as modules, as well as the kernel crash when
unloading/loading the module.
I tested this with an older FW and both issues are fixed, so you can add
Tested-by: Matthias Brugger <mbrugger@xxxxxxxx>
But I think the way the series is split in different patches is not
correct. Patch 1 on its own won't compile and get fixed in patch 2.
Although I think backward compatibility to older firmware should be part
of the changes which provide support for the new firmware and should not
be a patch apart. Said this, I'm not sure if just squashing patch 1 and
patch 2 is the right to do, as to me it seems as if some other fixes
slipped into the series.
From my point of view, patch 4 and 5 should be squashed, as xge0clk and
sge1clk nodes are useless when the mdio nodes are present.
Regards,
Matthias
Iyappan Subramanian (6):
drivers: net: xgene: MAC and PHY configuration changes
drivers: net: xgene: Backward compatibility with older firmware
drivers: net: phy: Add MDIO driver
dtb: xgene: Add MDIO node
dtb: xgene: Remove clock nodes
drivers: net: xgene: Fix module load/unload crash
arch/arm64/boot/dts/apm/apm-merlin.dts | 10 +
arch/arm64/boot/dts/apm/apm-mustang.dts | 12 +
arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 23 +-
arch/arm64/boot/dts/apm/apm-storm.dtsi | 38 +-
drivers/net/ethernet/apm/xgene/Kconfig | 1 +
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 241 ++++++----
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 18 +-
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 325 ++++++++-----
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 36 +-
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 191 +++++++-
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h | 8 +
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 66 ++-
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h | 4 +
drivers/net/phy/Kconfig | 7 +
drivers/net/phy/Makefile | 1 +
drivers/net/phy/mdio-xgene.c | 531 ++++++++++++++++++++++
drivers/net/phy/mdio-xgene.h | 140 ++++++
17 files changed, 1373 insertions(+), 279 deletions(-)
create mode 100644 drivers/net/phy/mdio-xgene.c
create mode 100644 drivers/net/phy/mdio-xgene.h
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