net: stmmac: Add support for optional reset control

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The DWMAC has a reset assert line, which is used on some SoCs. Add an
optional reset control to stmmac driver core.

To support reset control deferred probing, this patch changes the driver
probe function to return the actual error, instead of just -EINVAL.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Chen-Yu Tsai 2014-01-17 21:24:41 +08:00 • committed by David S. Miller

parent 62866e9873

commit c5e4ddbdfa

6 changed files with 28 additions and 5 deletions

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3

Documentation/devicetree/bindings/net/stmmac.txt

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1

drivers/net/ethernet/stmicro/stmmac/Kconfig

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2

drivers/net/ethernet/stmicro/stmmac/stmmac.h

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19

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

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4

drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c

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4

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

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