netdev - [PATCH iwl-next 10/10] ice: move TSPLL init calls to ice

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250310111357.1238454-22-karol.kolacinski@intel.com>
Date: Mon, 10 Mar 2025 12:12:54 +0100
From: Karol Kolacinski <karol.kolacinski@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	anthony.l.nguyen@...el.com,
	przemyslaw.kitszel@...el.com,
	Karol Kolacinski <karol.kolacinski@...el.com>,
	Michal Kubiak <michal.kubiak@...el.com>,
	Milena Olech <milena-olech@...el.com>
Subject: [PATCH iwl-next 10/10] ice: move TSPLL init calls to ice_ptp.c

Initialize TSPLL after initializing PHC in ice_ptp.c instead of calling
for each product in PHC init in ice_ptp_hw.c.

Reviewed-by: Michal Kubiak <michal.kubiak@...el.com>
Reviewed-by: Milena Olech <milena-olech@...el.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_ptp.c    | 11 ++++++++++
 drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 24 +--------------------
 drivers/net/ethernet/intel/ice/ice_tspll.c  |  5 +++++
 3 files changed, 17 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index fdeb20ac831c..5fbd77e0cb17 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -2864,6 +2864,10 @@ static int ice_ptp_rebuild_owner(struct ice_pf *pf)
 	if (err)
 		return err;
 
+	err = ice_tspll_init(hw);
+	if (err)
+		return err;
+
 	/* Acquire the global hardware lock */
 	if (!ice_ptp_lock(hw)) {
 		err = -EBUSY;
@@ -3038,6 +3042,13 @@ static int ice_ptp_init_owner(struct ice_pf *pf)
 		return err;
 	}
 
+	err = ice_tspll_init(hw);
+	if (err) {
+		dev_err(ice_pf_to_dev(pf), "Failed to initialize CGU, status %d\n",
+			err);
+		return err;
+	}
+
 	/* Acquire the global hardware lock */
 	if (!ice_ptp_lock(hw)) {
 		err = -EBUSY;
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
index 689feac7baf9..ba97a52917af 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
@@ -2107,22 +2107,6 @@ static void ice_sb_access_ena_eth56g(struct ice_hw *hw, bool enable)
 	wr32(hw, PF_SB_REM_DEV_CTL, val);
 }
 
-/**
- * ice_ptp_init_phc_e825 - Perform E825 specific PHC initialization
- * @hw: pointer to HW struct
- *
- * Perform E825-specific PTP hardware clock initialization steps.
- *
- * Return: 0 on success, negative error code otherwise.
- */
-static int ice_ptp_init_phc_e825(struct ice_hw *hw)
-{
-	ice_sb_access_ena_eth56g(hw, true);
-
-	/* Initialize the Clock Generation Unit */
-	return ice_tspll_init(hw);
-}
-
 /**
  * ice_ptp_read_tx_hwtstamp_status_eth56g - Get TX timestamp status
  * @hw: pointer to the HW struct
@@ -2784,7 +2768,6 @@ static int ice_ptp_set_vernier_wl(struct ice_hw *hw)
  */
 static int ice_ptp_init_phc_e82x(struct ice_hw *hw)
 {
-	int err;
 	u32 val;
 
 	/* Enable reading switch and PHY registers over the sideband queue */
@@ -2794,11 +2777,6 @@ static int ice_ptp_init_phc_e82x(struct ice_hw *hw)
 	val |= (PF_SB_REM_DEV_CTL_SWITCH_READ | PF_SB_REM_DEV_CTL_PHY0);
 	wr32(hw, PF_SB_REM_DEV_CTL, val);
 
-	/* Initialize the Clock Generation Unit */
-	err = ice_tspll_init(hw);
-	if (err)
-		return err;
-
 	/* Set window length for all the ports */
 	return ice_ptp_set_vernier_wl(hw);
 }
@@ -5580,7 +5558,7 @@ int ice_ptp_init_phc(struct ice_hw *hw)
 	case ICE_MAC_GENERIC:
 		return ice_ptp_init_phc_e82x(hw);
 	case ICE_MAC_GENERIC_3K_E825:
-		return ice_ptp_init_phc_e825(hw);
+		return 0;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/ethernet/intel/ice/ice_tspll.c b/drivers/net/ethernet/intel/ice/ice_tspll.c
index 37fcfdd5e032..17c23b29b53c 100644
--- a/drivers/net/ethernet/intel/ice/ice_tspll.c
+++ b/drivers/net/ethernet/intel/ice/ice_tspll.c
@@ -474,6 +474,11 @@ int ice_tspll_init(struct ice_hw *hw)
 	enum ice_clk_src clk_src;
 	int err;
 
+	/* Only E822, E823 and E825 products support TSPLL */
+	if (hw->mac_type != ICE_MAC_GENERIC &&
+	    hw->mac_type != ICE_MAC_GENERIC_3K_E825)
+		return 0;
+
 	tspll_freq = (enum ice_tspll_freq)ts_info->time_ref;
 	clk_src = (enum ice_clk_src)ts_info->clk_src;
 	if (!ice_tspll_check_params(hw, tspll_freq, clk_src))
-- 
2.48.1