[PATCH 6.12 012/122] ice: Add ice_get_ctrl_ptp() wrapper to simplify the code

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6.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sergey Temerkhanov <sergey.temerkhanov@xxxxxxxxx>

[ Upstream commit 97ed20a01f5b96e8738b53f56ae84b06953a2853 ]

Add ice_get_ctrl_ptp() wrapper to simplify the PTP support code
in the functions that do not use ctrl_pf directly.
Add the control PF pointer to struct ice_adapter
Rearrange fields in struct ice_adapter

Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@xxxxxxxxx>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@xxxxxxxxx> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Stable-dep-of: 258f5f905815 ("ice: Add correct PHY lane assignment")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/intel/ice/ice_adapter.h |  5 ++++-
 drivers/net/ethernet/intel/ice/ice_ptp.c     | 12 ++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_adapter.h b/drivers/net/ethernet/intel/ice/ice_adapter.h
index 9d11014ec02ff..eb7cac01c2427 100644
--- a/drivers/net/ethernet/intel/ice/ice_adapter.h
+++ b/drivers/net/ethernet/intel/ice/ice_adapter.h
@@ -8,18 +8,21 @@
 #include <linux/refcount_types.h>
 
 struct pci_dev;
+struct ice_pf;
 
 /**
  * struct ice_adapter - PCI adapter resources shared across PFs
  * @ptp_gltsyn_time_lock: Spinlock protecting access to the GLTSYN_TIME
  *                        register of the PTP clock.
  * @refcount: Reference count. struct ice_pf objects hold the references.
+ * @ctrl_pf: Control PF of the adapter
  */
 struct ice_adapter {
+	refcount_t refcount;
 	/* For access to the GLTSYN_TIME register */
 	spinlock_t ptp_gltsyn_time_lock;
 
-	refcount_t refcount;
+	struct ice_pf *ctrl_pf;
 };
 
 struct ice_adapter *ice_adapter_get(const struct pci_dev *pdev);
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index d534c8e571cee..2fb73ab41bc20 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -16,6 +16,18 @@ static const struct ptp_pin_desc ice_pin_desc_e810t[] = {
 	{ "U.FL2", UFL2, PTP_PF_NONE, 2, { 0, } },
 };
 
+static struct ice_pf *ice_get_ctrl_pf(struct ice_pf *pf)
+{
+	return !pf->adapter ? NULL : pf->adapter->ctrl_pf;
+}
+
+static __maybe_unused struct ice_ptp *ice_get_ctrl_ptp(struct ice_pf *pf)
+{
+	struct ice_pf *ctrl_pf = ice_get_ctrl_pf(pf);
+
+	return !ctrl_pf ? NULL : &ctrl_pf->ptp;
+}
+
 /**
  * ice_get_sma_config_e810t
  * @hw: pointer to the hw struct
-- 
2.39.5







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