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[realtek] Use read-modify-write to check for C+ Command register
authorMichael Brown <mcb30@ipxe.org>
Thu, 23 Aug 2012 11:38:37 +0000 (12:38 +0100)
committerMichael Brown <mcb30@ipxe.org>
Thu, 23 Aug 2012 14:15:42 +0000 (15:15 +0100)
commit0e61beb26f789da01a566ff4bfdf571faacb9ce3
tree5f638bb47ab0e49195f27de30ce3c43a30f27b10tree
parent77afdc56439c904b0a8ae167a0a899c1488b328acommit | diff
[realtek] Use read-modify-write to check for C+ Command register

Some bits in the C+ Command register are always one.  Testing for the
presence of the register must allow for this.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
src/drivers/net/realtek.c diff | blob | blame | history
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