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mv643xx_eth: inter-mv643xx SMI port sharing

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There exist chips with up to four mv643xx_eth silicon blocks but
only one external SMI (MII management) interface -- the SMI logic
of the first block is shared by all the blocks.

Handle this by allowing a per-port override of which
mv643xx_eth_shared's SMI registers (and spinlock) to use.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
This commit is contained in:
Lennert Buytenhek 2008-04-24 01:29:59 +02:00 • committed by Dale Farnsworth
parent 240e4419e0
commit ce4e2e4558
2 changed files with 24 additions and 16 deletions
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2
include/linux/mv643xx_eth.h
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@ -24,6 +24,8 @@ struct mv643xx_eth_platform_data {
struct platform_device *shared;
int port_number;
struct platform_device *shared_smi;
u16 force_phy_addr; /* force override if phy_addr == 0 */
u16 phy_addr;