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authorHenry Nestler <henry.nestler@gmail.com>2011-02-22 11:29:42 +0000
committerDavid S. Miller <davem@davemloft.net>2011-02-23 14:29:50 -0800
commit108f518cc4f81eb8e3b46a0bd5cb902ef90a51a8 (patch)
treee7b48499a74f577c006b4828ee3d140f93eab725 /net/nonet.c
parent8dde924217fdf5b69f6cbbdca099d077ba269ad0 (diff)
DM9000B: Fix PHY power for network down/up
DM9000 revision B needs 1 ms delay after PHY power-on. PHY must be powered on by writing 0 into register DM9000_GPR before all other settings will change (see Davicom spec and example code). Remember, that register DM9000_GPR was not changed by reset sequence. Without this fix the FIFO is out of sync and sends wrong data after sequence of "ifconfig ethX down ; ifconfig ethX up". Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/nonet.c')
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