netdev - [PATCH net 1/4] ice: dpll: fix initial lock status of dpll

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Date: Mon, 13 Nov 2023 15:05:46 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	anthony.l.nguyen@...el.com,
	vadim.fedorenko@...ux.dev,
	jiri@...nulli.us,
	Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
	Sunitha Mekala <sunithax.d.mekala@...el.com>
Subject: [PATCH net 1/4] ice: dpll: fix initial lock status of dpll

From: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>

When dpll device is registered and dpll subsystem performs notify of a
new device, the lock state value provided to dpll subsystem equals 0
which is invalid value for the `enum dpll_lock_status`.
Provide correct value by obtaining it from firmware before registering
the dpll device.

Fixes: d7999f5ea64b ("ice: implement dpll interface to control cgu")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@...el.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_dpll.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_dpll.c b/drivers/net/ethernet/intel/ice/ice_dpll.c
index 835c419ccc74..607f534055b6 100644
--- a/drivers/net/ethernet/intel/ice/ice_dpll.c
+++ b/drivers/net/ethernet/intel/ice/ice_dpll.c
@@ -1756,6 +1756,7 @@ ice_dpll_init_dpll(struct ice_pf *pf, struct ice_dpll *d, bool cgu,
 	}
 	d->pf = pf;
 	if (cgu) {
+		ice_dpll_update_state(pf, d, true);
 		ret = dpll_device_register(d->dpll, type, &ice_dpll_ops, d);
 		if (ret) {
 			dpll_device_put(d->dpll);
@@ -1796,8 +1797,6 @@ static int ice_dpll_init_worker(struct ice_pf *pf)
 	struct ice_dplls *d = &pf->dplls;
 	struct kthread_worker *kworker;
 
-	ice_dpll_update_state(pf, &d->eec, true);
-	ice_dpll_update_state(pf, &d->pps, true);
 	kthread_init_delayed_work(&d->work, ice_dpll_periodic_work);
 	kworker = kthread_create_worker(0, "ice-dplls-%s",
 					dev_name(ice_pf_to_dev(pf)));
-- 
2.41.0