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947163b9d2
Add patches retrying to probe the PHY to restore support for PHYs taking longer to initialize without breaking modules without PHYs. Patches taken from http://git.armlinux.org.uk/cgit/linux-arm.git/log/?h=phy Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
61 lines
2.1 KiB
Diff
61 lines
2.1 KiB
Diff
From bfa3cbb01c7ea34d7369c9bd2ec1b2dc67082b04 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Mon, 2 Dec 2019 18:06:44 +0000
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Subject: [PATCH 2/4] net: sfp: rename sm_retries
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Rename sm_retries as sm_fault_retries, as this is what this member is
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tracking.
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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 | 10 +++++-----
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1 file changed, 5 insertions(+), 5 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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@@ -222,7 +222,7 @@ struct sfp {
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unsigned char sm_mod_tries;
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unsigned char sm_dev_state;
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unsigned short sm_state;
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- unsigned int sm_retries;
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+ unsigned char sm_fault_retries;
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struct sfp_eeprom_id id;
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unsigned int module_power_mW;
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@@ -1414,7 +1414,7 @@ static bool sfp_los_event_inactive(struc
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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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+ if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) {
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dev_err(sfp->dev,
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"module persistently indicates fault, disabling\n");
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sfp_sm_next(sfp, SFP_S_TX_DISABLE, 0);
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@@ -1811,7 +1811,7 @@ static void sfp_sm_main(struct sfp *sfp,
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sfp_module_tx_enable(sfp);
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/* Initialise the fault clearance retries */
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- sfp->sm_retries = N_FAULT_INIT;
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+ sfp->sm_fault_retries = N_FAULT_INIT;
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/* We need to check the TX_FAULT state, which is not defined
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* while TX_DISABLE is asserted. The earliest we want to do
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@@ -1850,7 +1850,7 @@ static void sfp_sm_main(struct sfp *sfp,
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* there is a fault.
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*/
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sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT,
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- sfp->sm_retries == N_FAULT_INIT);
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+ sfp->sm_fault_retries == N_FAULT_INIT);
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} else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) {
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init_done: /* TX_FAULT deasserted or we timed out with TX_FAULT
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* clear. Probe for the PHY and check the LOS state.
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@@ -1863,7 +1863,7 @@ static void sfp_sm_main(struct sfp *sfp,
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sfp_sm_link_check_los(sfp);
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/* Reset the fault retry count */
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- sfp->sm_retries = N_FAULT;
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+ sfp->sm_fault_retries = N_FAULT;
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}
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break;
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