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path: root/drivers/net/phy/sfp.c
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Diffstat (limited to 'drivers/net/phy/sfp.c')
-rw-r--r--drivers/net/phy/sfp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index ad3808307dba..23f30dac0f17 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -59,6 +59,7 @@ enum {
SFP_DEV_UP,
SFP_S_DOWN = 0,
+ SFP_S_FAIL,
SFP_S_WAIT,
SFP_S_INIT,
SFP_S_INIT_TX_FAULT,
@@ -122,6 +123,7 @@ static const char *event_to_str(unsigned short event)
static const char * const sm_state_strings[] = {
[SFP_S_DOWN] = "down",
+ [SFP_S_FAIL] = "fail",
[SFP_S_WAIT] = "wait",
[SFP_S_INIT] = "init",
[SFP_S_INIT_TX_FAULT] = "init_tx_fault",
@@ -1826,6 +1828,8 @@ static void sfp_sm_main(struct sfp *sfp, unsigned int event)
if (sfp->sm_state == SFP_S_LINK_UP &&
sfp->sm_dev_state == SFP_DEV_UP)
sfp_sm_link_down(sfp);
+ if (sfp->sm_state > SFP_S_INIT)
+ sfp_module_stop(sfp->sfp_bus);
if (sfp->mod_phy)
sfp_sm_phy_detach(sfp);
sfp_module_tx_disable(sfp);
@@ -1893,6 +1897,10 @@ static void sfp_sm_main(struct sfp *sfp, unsigned int event)
* clear. Probe for the PHY and check the LOS state.
*/
sfp_sm_probe_for_phy(sfp);
+ if (sfp_module_start(sfp->sfp_bus)) {
+ sfp_sm_next(sfp, SFP_S_FAIL, 0);
+ break;
+ }
sfp_sm_link_check_los(sfp);
/* Reset the fault retry count */