sh_eth: add sh_eth_cpu_data::xdfar_rw flag

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The GEther-like controllers have writeable RDFAR/TDFAR, on the others
they are read-only or just absent (on R-Car). Currently we are calling
sh_eth_is_{gether|rz_fast_ether}() in order to check if these registers
can be written to, however it would be simpler to check the new 'xdfar_rw'
bitfield in the 'struct sh_eth_cpu_data'...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Sergei Shtylyov 2018-03-24 23:09:55 +03:00 • committed by David S. Miller

parent 3e416992e2

commit 246e30cc4f

2 changed files with 8 additions and 4 deletions

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11

drivers/net/ethernet/renesas/sh_eth.c

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1

drivers/net/ethernet/renesas/sh_eth.h

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