2022-01-16 10:18:38 +00:00
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From a381ac0aa281fdb0b41a39d8a2bc08fd88f6db92 Mon Sep 17 00:00:00 2001
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From: Antoine Tenart <antoine.tenart@bootlin.com>
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Date: Tue, 25 Feb 2020 16:32:37 +0100
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Subject: [PATCH 1/3] net: phy: sfp: re-probe modules on DEV_UP event
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Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
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---
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drivers/net/phy/sfp.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/net/phy/sfp.c
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+++ b/drivers/net/phy/sfp.c
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2022-05-09 08:07:21 +00:00
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@@ -1966,6 +1966,13 @@ static void sfp_sm_module(struct sfp *sf
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2022-01-16 10:18:38 +00:00
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return;
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}
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+ /* Re-probe the SFP modules when an interface is brought up, as the MAC
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+ * do not report its link status (This means Phylink wouldn't be
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+ * triggered if the PHY had a link before a MAC is brought up).
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+ */
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+ if (event == SFP_E_DEV_UP && sfp->sm_mod_state == SFP_MOD_PRESENT)
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+ sfp_sm_mod_next(sfp, SFP_MOD_PROBE, T_SERIAL);
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+
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switch (sfp->sm_mod_state) {
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default:
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if (event == SFP_E_INSERT) {
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