sh_eth: WARN on access to a register not implemented in a particular chip

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Currently we may silently read/write a register at offset 0.  Change
this to WARN and then ignore the write or read-back all-ones.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ben Hutchings 2015-02-26 20:34:14 +00:00 • committed by David S. Miller

parent 25b77ad774

commit 3365711df0

2 changed files with 27 additions and 3 deletions

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16

drivers/net/ethernet/renesas/sh_eth.c

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14

drivers/net/ethernet/renesas/sh_eth.h

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