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sfc: Change falcon_probe_board() to fail for unsupported boards

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The driver needs specific PHY and board support code for each SFC4000
board; there is no point trying to continue if it is missing.
Currently unsupported boards can trigger an 'oops'.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2010-04-28 09:01:50 +00:00
committed by David S. Miller
parent f49a4589e9
commit e41c11ee0c
3 changed files with 7 additions and 12 deletions
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drivers/net/sfc/falcon_boards.c
+3 -10
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@@ -728,15 +728,7 @@ static const struct falcon_board_type board_types[] = {
},
};
static const struct falcon_board_type falcon_dummy_board = {
.init = efx_port_dummy_op_int,
.init_phy = efx_port_dummy_op_void,
.fini = efx_port_dummy_op_void,
.set_id_led = efx_port_dummy_op_set_id_led,
.monitor = efx_port_dummy_op_int,
};
void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
int falcon_probe_board(struct efx_nic *efx, u16 revision_info)
{
struct falcon_board *board = falcon_board(efx);
u8 type_id = FALCON_BOARD_TYPE(revision_info);
@@ -754,8 +746,9 @@ void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
(efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
? board->type->ref_model : board->type->gen_type,
'A' + board->major, board->minor);
return 0;
} else {
EFX_ERR(efx, "unknown board type %d\n", type_id);
board->type = &falcon_dummy_board;
return -ENODEV;
}
}