This is a note to let you know that I've just added the patch titled
ice: Add ice_get_ctrl_ptp() wrapper to simplify the code
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ice-add-ice_get_ctrl_ptp-wrapper-to-simplify-the-cod.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e100d854a338dbf390b9076ddd54556f4b0da4a6
Author: Sergey Temerkhanov <sergey.temerkhanov@xxxxxxxxx>
Date: Wed Aug 21 15:09:54 2024 +0200
ice: Add ice_get_ctrl_ptp() wrapper to simplify the code
[ 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>
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
