user/sven/linux.git/drivers/dpll, branch next/master

dpll: zl3073x: drop selected and simplify connected ref getter

2026-03-18T02:05:12Z

The HW reports the currently selected reference in the dpll_refsel_status register regardless of the DPLL mode. Use this to delete zl3073x_dpll_selected_ref_get() and have callers read the register directly via the cached channel state. Simplify zl3073x_dpll_connected_ref_get() to check refsel_state for LOCK directly and return the reference index, changing the return type from int to u8. The redundant ref_is_status_ok check is removed since the DPLL cannot be in LOCK state with a failed reference. In zl3073x_dpll_mode_set(), replace the selected_ref_get() call with zl3073x_chan_refsel_ref_get() to read the currently selected reference directly from the cached channel state. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-7-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: add reference priority to zl3073x_chan

2026-03-18T02:05:12Z

Cache the ZL_REG_DPLL_REF_PRIO registers in the zl3073x_chan cfg group. These mailbox-based registers store per-reference priority values (4 bits each, P/N packed) used for automatic reference selection. Add ref_prio[] array to struct zl3073x_chan and provide inline helpers zl3073x_chan_ref_prio_get(), zl3073x_chan_ref_prio_set(), and zl3073x_chan_ref_is_selectable() for nibble-level access and priority queries. Extend state_fetch and state_set with DPLL mailbox operations to read and write the priority registers. Replace the ad-hoc zl3073x_dpll_ref_prio_get/set functions in dpll.c with the cached state pattern, removing direct mailbox access from the DPLL layer. This also simplifies pin registration since reading priority from cached state cannot fail. Remove the pin->selectable flag from struct zl3073x_dpll_pin and derive the selectable state from the cached ref priority via zl3073x_chan_ref_is_selectable(), eliminating a redundant cache. Inline zl3073x_dpll_selected_ref_set() into zl3073x_dpll_input_pin_state_on_dpll_set(), unifying all manual and automatic mode paths to commit changes through a single zl3073x_chan_state_set() call at the end of the function. Move hardware limit constants from core.h to regs.h so that chan.h can reference ZL3073X_NUM_REFS for the ref_prio array size. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-6-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: add DPLL channel status fields to zl3073x_chan

2026-03-18T02:05:12Z

Add mon_status and refsel_status fields to struct zl3073x_chan in a stat group to cache the 'dpll_mon_status' and 'dpll_refsel_status' registers. Add zl3073x_chan_lock_state_get(), zl3073x_chan_is_ho_ready(), zl3073x_chan_refsel_state_get() and zl3073x_chan_refsel_ref_get() inline helpers for reading cached state, and zl3073x_chan_state_update() for refreshing both registers from hardware. Call it from zl3073x_chan_state_fetch() as well so that channel status is initialized at device startup. Call zl3073x_dev_chan_states_update() from the periodic work to keep the cached state up to date and convert zl3073x_dpll_lock_status_get() and zl3073x_dpll_selected_ref_get() to use the cached state via the new helpers instead of direct register reads. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-5-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: introduce zl3073x_chan for DPLL channel state

2026-03-18T02:05:12Z

Extract DPLL channel state management into a dedicated zl3073x_chan module, following the pattern already established by zl3073x_ref, zl3073x_out and zl3073x_synth. The new struct zl3073x_chan caches the raw mode_refsel register value in a cfg group with inline getters and setters to extract and update the bitfields. Three standard state management functions are provided: - zl3073x_chan_state_fetch: read the mode_refsel register from HW - zl3073x_chan_state_get: return cached channel state - zl3073x_chan_state_set: write changed state to HW, skip if unchanged The channel state array chan[ZL3073X_MAX_CHANNELS] is added to struct zl3073x_dev. Channel state is fetched as part of zl3073x_dev_state_fetch, using the chip-specific channel count. The refsel_mode and forced_ref fields are removed from struct zl3073x_dpll and all direct register accesses in dpll.c are replaced with the new chan state operations. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-4-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: add zl3073x_ref_state_update helper

2026-03-18T02:05:12Z

Extract the per-reference monitor status HW read into a dedicated zl3073x_ref_state_update() helper in the ref module. Rename zl3073x_dev_ref_status_update() to zl3073x_dev_ref_states_update() and use the new helper in it. Call it from zl3073x_ref_state_fetch() as well so that mon_status is initialized at device startup. This keeps direct register access and struct field writes behind the ref module's interface, consistent with the state management pattern used for other ref operations. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-3-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: use struct_group to partition states

2026-03-18T02:05:12Z

Organize the zl3073x_out, zl3073x_ref, and zl3073x_synth structures using struct_group() to partition fields into semantic groups: * cfg: mutable configuration written to HW via state_set * inv: invariant fields set once during state_fetch * stat: read-only status This enables group-level operations in place of field-by-field copies: * state_set validates invariants haven't changed (WARN_ON + -EINVAL) * state_set short-circuits when cfg is unchanged * state_set copy entire groups in a single assignment instead of enumerating each field Add kernel doc for zl3073x_out_state_set and zl3073x_ref_state_set documenting the new invariant validation and short-circuit semantics. Remove forward declaration of zl3073x_synth_state_set(). Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260315174224.399074-2-ivecera@redhat.com Signed-off-by: Jakub Kicinski

dpll: zl3073x: add die temperature reporting for supported chips

2026-03-03T11:15:30Z

Some zl3073x chip variants (0x1Exx, 0x2Exx and 0x3FC4) provide a die temperature status register with 0.1 C resolution. Add a ZL3073X_FLAG_DIE_TEMP chip flag to identify these variants and implement zl3073x_dpll_temp_get() as the dpll_device_ops.temp_get callback. The register value is converted from 0.1 C units to millidegrees as expected by the DPLL subsystem. To support per-instance ops selection, copy the base dpll_device_ops into struct zl3073x_dpll and conditionally set .temp_get during device registration based on the chip flag. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260227105300.710272-3-ivecera@redhat.com Reviewed-by: Simon Horman Signed-off-by: Paolo Abeni

dpll: zl3073x: detect DPLL channel count from chip ID at runtime

2026-03-03T11:15:30Z

Replace the five per-variant zl3073x_chip_info structures and their exported symbol definitions with a single consolidated chip ID lookup table. The chip variant is now detected at runtime by reading the chip ID register from hardware and looking it up in the table, rather than being selected at compile time via the bus driver match data. Repurpose struct zl3073x_chip_info to hold a single chip ID, its channel count, and a flags field. Introduce enum zl3073x_flags with ZL3073X_FLAG_REF_PHASE_COMP_32 to replace the chip_id switch statement in zl3073x_dev_is_ref_phase_comp_32bit(). Store a pointer to the detected chip_info entry in struct zl3073x_dev for runtime access. This simplifies the bus drivers by removing per-variant .data and .driver_data references from the I2C/SPI match tables, and makes adding support for new chip variants a single-line table addition. Signed-off-by: Ivan Vecera Link: https://patch.msgid.link/20260227105300.710272-2-ivecera@redhat.com Reviewed-by: Simon Horman Signed-off-by: Paolo Abeni

Merge tag 'net-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-02-26T16:00:13Z

Pull networking fixes from Paolo Abeni: "Including fixes from IPsec, Bluetooth and netfilter Current release - regressions: - wifi: fix dev_alloc_name() return value check - rds: fix recursive lock in rds_tcp_conn_slots_available Current release - new code bugs: - vsock: lock down child_ns_mode as write-once Previous releases - regressions: - core: - do not pass flow_id to set_rps_cpu() - consume xmit errors of GSO frames - netconsole: avoid OOB reads, msg is not nul-terminated - netfilter: h323: fix OOB read in decode_choice() - tcp: re-enable acceptance of FIN packets when RWIN is 0 - udplite: fix null-ptr-deref in __udp_enqueue_schedule_skb(). - wifi: brcmfmac: fix potential kernel oops when probe fails - phy: register phy led_triggers during probe to avoid AB-BA deadlock - eth: - bnxt_en: fix deleting of Ntuple filters - wan: farsync: fix use-after-free bugs caused by unfinished tasklets - xscale: check for PTP support properly Previous releases - always broken: - tcp: fix potential race in tcp_v6_syn_recv_sock() - kcm: fix zero-frag skb in frag_list on partial sendmsg error - xfrm: - fix race condition in espintcp_close() - always flush state and policy upon NETDEV_UNREGISTER event - bluetooth: - purge error queues in socket destructors - fix response to L2CAP_ECRED_CONN_REQ - eth: - mlx5: - fix circular locking dependency in dump - fix "scheduling while atomic" in IPsec MAC address query - gve: fix incorrect buffer cleanup for QPL - team: avoid NETDEV_CHANGEMTU event when unregistering slave - usb: validate USB endpoints" * tag 'net-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits) netfilter: nf_conntrack_h323: fix OOB read in decode_choice() dpaa2-switch: validate num_ifs to prevent out-of-bounds write net: consume xmit errors of GSO frames vsock: document write-once behavior of the child_ns_mode sysctl vsock: lock down child_ns_mode as write-once selftests/vsock: change tests to respect write-once child ns mode net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query net/mlx5: Fix missing devlink lock in SRIOV enable error path net/mlx5: E-switch, Clear legacy flag when moving to switchdev net/mlx5: LAG, disable MPESW in lag_disable_change() net/mlx5: DR, Fix circular locking dependency in dump selftests: team: Add a reference count leak test team: avoid NETDEV_CHANGEMTU event when unregistering slave net: mana: Fix double destroy_workqueue on service rescan PCI path MAINTAINERS: Update maintainer entry for QUALCOMM ETHQOS ETHERNET DRIVER dpll: zl3073x: Remove redundant cleanup in devm_dpll_init() selftests/net: packetdrill: Verify acceptance of FIN packets when RWIN is 0 tcp: re-enable acceptance of FIN packets when RWIN is 0 vsock: Use container_of() to get net namespace in sysctl handlers net: usb: kaweth: validate USB endpoints ...

dpll: zl3073x: Remove redundant cleanup in devm_dpll_init()

2026-02-26T03:13:20Z

The devm_add_action_or_reset() function already executes the cleanup action on failure before returning an error, so the explicit goto error and subsequent zl3073x_dev_dpll_fini() call causes double cleanup. Fixes: ebb1031c5137 ("dpll: zl3073x: Refactor DPLL initialization") Reviewed-by: Ivan Vecera Signed-off-by: Felix Gu Link: https://patch.msgid.link/20260224-dpll-v2-1-d7786414a830@gmail.com Signed-off-by: Jakub Kicinski