2020-02-23 12:20:11 +00:00
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From 2aa424ee7fbe43e2cd24e28c2f6388c4e1796bd2 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Fri, 18 Oct 2019 09:58:33 +0100
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Subject: [PATCH 628/660] net: sfp: allow fault processing to transition to
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other states
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Add the next state to sfp_sm_fault() so that it can branch to other
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states. This will be necessary to improve the initialisation path.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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drivers/net/phy/sfp.c | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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--- a/drivers/net/phy/sfp.c
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+++ b/drivers/net/phy/sfp.c
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2019-11-25 15:08:31 +00:00
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@@ -1334,7 +1334,7 @@ static bool sfp_los_event_inactive(struc
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2020-02-23 12:20:11 +00:00
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event == SFP_E_LOS_LOW);
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}
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-static void sfp_sm_fault(struct sfp *sfp, bool warn)
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+static void sfp_sm_fault(struct sfp *sfp, unsigned int next_state, bool warn)
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{
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if (sfp->sm_retries && !--sfp->sm_retries) {
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dev_err(sfp->dev,
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2019-11-25 15:08:31 +00:00
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@@ -1344,7 +1344,7 @@ static void sfp_sm_fault(struct sfp *sfp
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2020-02-23 12:20:11 +00:00
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if (warn)
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dev_err(sfp->dev, "module transmit fault indicated\n");
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- sfp_sm_next(sfp, SFP_S_TX_FAULT, T_FAULT_RECOVER);
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+ sfp_sm_next(sfp, next_state, T_FAULT_RECOVER);
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}
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}
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2019-11-25 15:08:31 +00:00
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@@ -1684,14 +1684,14 @@ static void sfp_sm_main(struct sfp *sfp,
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2020-02-23 12:20:11 +00:00
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case SFP_S_INIT:
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if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT)
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- sfp_sm_fault(sfp, true);
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+ sfp_sm_fault(sfp, SFP_S_TX_FAULT, true);
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else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR)
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init_done: sfp_sm_link_check_los(sfp);
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break;
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case SFP_S_WAIT_LOS:
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if (event == SFP_E_TX_FAULT)
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- sfp_sm_fault(sfp, true);
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+ sfp_sm_fault(sfp, SFP_S_TX_FAULT, true);
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else if (sfp_los_event_inactive(sfp, event))
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sfp_sm_link_up(sfp);
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break;
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2019-11-25 15:08:31 +00:00
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@@ -1699,7 +1699,7 @@ static void sfp_sm_main(struct sfp *sfp,
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2020-02-23 12:20:11 +00:00
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case SFP_S_LINK_UP:
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if (event == SFP_E_TX_FAULT) {
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sfp_sm_link_down(sfp);
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- sfp_sm_fault(sfp, true);
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+ sfp_sm_fault(sfp, SFP_S_TX_FAULT, true);
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} else if (sfp_los_event_active(sfp, event)) {
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sfp_sm_link_down(sfp);
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sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0);
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2019-11-25 15:08:31 +00:00
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@@ -1715,7 +1715,7 @@ static void sfp_sm_main(struct sfp *sfp,
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2020-02-23 12:20:11 +00:00
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case SFP_S_REINIT:
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if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) {
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- sfp_sm_fault(sfp, false);
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+ sfp_sm_fault(sfp, SFP_S_TX_FAULT, false);
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} else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) {
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dev_info(sfp->dev, "module transmit fault recovered\n");
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sfp_sm_link_check_los(sfp);
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