Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 820 insertions, 0 deletions

diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
new file mode 100644
index 000000000..4c2d2c296
--- /dev/null
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -0,0 +1,820 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <soc/qcom/cmd-db.h>
+#include <soc/qcom/rpmh.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
+
+#define domain_to_rpmhpd(domain) container_of(domain, struct rpmhpd, pd)
+
+#define RPMH_ARC_MAX_LEVELS	16
+
+/**
+ * struct rpmhpd - top level RPMh power domain resource data structure
+ * @dev:		rpmh power domain controller device
+ * @pd:			generic_pm_domain corresponding to the power domain
+ * @parent:		generic_pm_domain corresponding to the parent's power domain
+ * @peer:		A peer power domain in case Active only Voting is
+ *			supported
+ * @active_only:	True if it represents an Active only peer
+ * @corner:		current corner
+ * @active_corner:	current active corner
+ * @enable_corner:	lowest non-zero corner
+ * @level:		An array of level (vlvl) to corner (hlvl) mappings
+ *			derived from cmd-db
+ * @level_count:	Number of levels supported by the power domain. max
+ *			being 16 (0 - 15)
+ * @enabled:		true if the power domain is enabled
+ * @res_name:		Resource name used for cmd-db lookup
+ * @addr:		Resource address as looped up using resource name from
+ *			cmd-db
+ * @state_synced:	Indicator that sync_state has been invoked for the rpmhpd resource
+ */
+struct rpmhpd {
+	struct device	*dev;
+	struct generic_pm_domain pd;
+	struct generic_pm_domain *parent;
+	struct rpmhpd	*peer;
+	const bool	active_only;
+	unsigned int	corner;
+	unsigned int	active_corner;
+	unsigned int	enable_corner;
+	u32		level[RPMH_ARC_MAX_LEVELS];
+	size_t		level_count;
+	bool		enabled;
+	const char	*res_name;
+	u32		addr;
+	bool		state_synced;
+};
+
+struct rpmhpd_desc {
+	struct rpmhpd **rpmhpds;
+	size_t num_pds;
+};
+
+static DEFINE_MUTEX(rpmhpd_lock);
+
+/* RPMH powerdomains */
+
+static struct rpmhpd cx_ao;
+static struct rpmhpd mx;
+static struct rpmhpd mx_ao;
+static struct rpmhpd cx = {
+	.pd = { .name = "cx", },
+	.peer = &cx_ao,
+	.res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao = {
+	.pd = { .name = "cx_ao", },
+	.active_only = true,
+	.peer = &cx,
+	.res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao_w_mx_parent;
+static struct rpmhpd cx_w_mx_parent = {
+	.pd = { .name = "cx", },
+	.peer = &cx_ao_w_mx_parent,
+	.parent = &mx.pd,
+	.res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao_w_mx_parent = {
+	.pd = { .name = "cx_ao", },
+	.active_only = true,
+	.peer = &cx_w_mx_parent,
+	.parent = &mx_ao.pd,
+	.res_name = "cx.lvl",
+};
+
+static struct rpmhpd ebi = {
+	.pd = { .name = "ebi", },
+	.res_name = "ebi.lvl",
+};
+
+static struct rpmhpd gfx = {
+	.pd = { .name = "gfx", },
+	.res_name = "gfx.lvl",
+};
+
+static struct rpmhpd lcx = {
+	.pd = { .name = "lcx", },
+	.res_name = "lcx.lvl",
+};
+
+static struct rpmhpd lmx = {
+	.pd = { .name = "lmx", },
+	.res_name = "lmx.lvl",
+};
+
+static struct rpmhpd mmcx_ao;
+static struct rpmhpd mmcx = {
+	.pd = { .name = "mmcx", },
+	.peer = &mmcx_ao,
+	.res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao = {
+	.pd = { .name = "mmcx_ao", },
+	.active_only = true,
+	.peer = &mmcx,
+	.res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao_w_cx_parent;
+static struct rpmhpd mmcx_w_cx_parent = {
+	.pd = { .name = "mmcx", },
+	.peer = &mmcx_ao_w_cx_parent,
+	.parent = &cx.pd,
+	.res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao_w_cx_parent = {
+	.pd = { .name = "mmcx_ao", },
+	.active_only = true,
+	.peer = &mmcx_w_cx_parent,
+	.parent = &cx_ao.pd,
+	.res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mss = {
+	.pd = { .name = "mss", },
+	.res_name = "mss.lvl",
+};
+
+static struct rpmhpd mx_ao;
+static struct rpmhpd mx = {
+	.pd = { .name = "mx", },
+	.peer = &mx_ao,
+	.res_name = "mx.lvl",
+};
+
+static struct rpmhpd mx_ao = {
+	.pd = { .name = "mx_ao", },
+	.active_only = true,
+	.peer = &mx,
+	.res_name = "mx.lvl",
+};
+
+static struct rpmhpd mxc_ao;
+static struct rpmhpd mxc = {
+	.pd = { .name = "mxc", },
+	.peer = &mxc_ao,
+	.res_name = "mxc.lvl",
+};
+
+static struct rpmhpd mxc_ao = {
+	.pd = { .name = "mxc_ao", },
+	.active_only = true,
+	.peer = &mxc,
+	.res_name = "mxc.lvl",
+};
+
+static struct rpmhpd nsp = {
+	.pd = { .name = "nsp", },
+	.res_name = "nsp.lvl",
+};
+
+static struct rpmhpd qphy = {
+	.pd = { .name = "qphy", },
+	.res_name = "qphy.lvl",
+};
+
+/* SA8540P RPMH powerdomains */
+static struct rpmhpd *sa8540p_rpmhpds[] = {
+	[SC8280XP_CX] = &cx,
+	[SC8280XP_CX_AO] = &cx_ao,
+	[SC8280XP_EBI] = &ebi,
+	[SC8280XP_GFX] = &gfx,
+	[SC8280XP_LCX] = &lcx,
+	[SC8280XP_LMX] = &lmx,
+	[SC8280XP_MMCX] = &mmcx,
+	[SC8280XP_MMCX_AO] = &mmcx_ao,
+	[SC8280XP_MX] = &mx,
+	[SC8280XP_MX_AO] = &mx_ao,
+	[SC8280XP_NSP] = &nsp,
+};
+
+static const struct rpmhpd_desc sa8540p_desc = {
+	.rpmhpds = sa8540p_rpmhpds,
+	.num_pds = ARRAY_SIZE(sa8540p_rpmhpds),
+};
+
+/* SDM670 RPMH powerdomains */
+static struct rpmhpd *sdm670_rpmhpds[] = {
+	[SDM670_CX] = &cx_w_mx_parent,
+	[SDM670_CX_AO] = &cx_ao_w_mx_parent,
+	[SDM670_GFX] = &gfx,
+	[SDM670_LCX] = &lcx,
+	[SDM670_LMX] = &lmx,
+	[SDM670_MSS] = &mss,
+	[SDM670_MX] = &mx,
+	[SDM670_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sdm670_desc = {
+	.rpmhpds = sdm670_rpmhpds,
+	.num_pds = ARRAY_SIZE(sdm670_rpmhpds),
+};
+
+/* SDM845 RPMH powerdomains */
+static struct rpmhpd *sdm845_rpmhpds[] = {
+	[SDM845_CX] = &cx_w_mx_parent,
+	[SDM845_CX_AO] = &cx_ao_w_mx_parent,
+	[SDM845_EBI] = &ebi,
+	[SDM845_GFX] = &gfx,
+	[SDM845_LCX] = &lcx,
+	[SDM845_LMX] = &lmx,
+	[SDM845_MSS] = &mss,
+	[SDM845_MX] = &mx,
+	[SDM845_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sdm845_desc = {
+	.rpmhpds = sdm845_rpmhpds,
+	.num_pds = ARRAY_SIZE(sdm845_rpmhpds),
+};
+
+/* SDX55 RPMH powerdomains */
+static struct rpmhpd *sdx55_rpmhpds[] = {
+	[SDX55_CX] = &cx_w_mx_parent,
+	[SDX55_MSS] = &mss,
+	[SDX55_MX] = &mx,
+};
+
+static const struct rpmhpd_desc sdx55_desc = {
+	.rpmhpds = sdx55_rpmhpds,
+	.num_pds = ARRAY_SIZE(sdx55_rpmhpds),
+};
+
+/* SDX65 RPMH powerdomains */
+static struct rpmhpd *sdx65_rpmhpds[] = {
+	[SDX65_CX] = &cx_w_mx_parent,
+	[SDX65_CX_AO] = &cx_ao_w_mx_parent,
+	[SDX65_MSS] = &mss,
+	[SDX65_MX] = &mx,
+	[SDX65_MX_AO] = &mx_ao,
+	[SDX65_MXC] = &mxc,
+};
+
+static const struct rpmhpd_desc sdx65_desc = {
+	.rpmhpds = sdx65_rpmhpds,
+	.num_pds = ARRAY_SIZE(sdx65_rpmhpds),
+};
+
+/* SM6350 RPMH powerdomains */
+static struct rpmhpd *sm6350_rpmhpds[] = {
+	[SM6350_CX] = &cx_w_mx_parent,
+	[SM6350_GFX] = &gfx,
+	[SM6350_LCX] = &lcx,
+	[SM6350_LMX] = &lmx,
+	[SM6350_MSS] = &mss,
+	[SM6350_MX] = &mx,
+};
+
+static const struct rpmhpd_desc sm6350_desc = {
+	.rpmhpds = sm6350_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm6350_rpmhpds),
+};
+
+/* SM8150 RPMH powerdomains */
+static struct rpmhpd *sm8150_rpmhpds[] = {
+	[SM8150_CX] = &cx_w_mx_parent,
+	[SM8150_CX_AO] = &cx_ao_w_mx_parent,
+	[SM8150_EBI] = &ebi,
+	[SM8150_GFX] = &gfx,
+	[SM8150_LCX] = &lcx,
+	[SM8150_LMX] = &lmx,
+	[SM8150_MMCX] = &mmcx,
+	[SM8150_MMCX_AO] = &mmcx_ao,
+	[SM8150_MSS] = &mss,
+	[SM8150_MX] = &mx,
+	[SM8150_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sm8150_desc = {
+	.rpmhpds = sm8150_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm8150_rpmhpds),
+};
+
+/* SM8250 RPMH powerdomains */
+static struct rpmhpd *sm8250_rpmhpds[] = {
+	[SM8250_CX] = &cx_w_mx_parent,
+	[SM8250_CX_AO] = &cx_ao_w_mx_parent,
+	[SM8250_EBI] = &ebi,
+	[SM8250_GFX] = &gfx,
+	[SM8250_LCX] = &lcx,
+	[SM8250_LMX] = &lmx,
+	[SM8250_MMCX] = &mmcx,
+	[SM8250_MMCX_AO] = &mmcx_ao,
+	[SM8250_MX] = &mx,
+	[SM8250_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sm8250_desc = {
+	.rpmhpds = sm8250_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm8250_rpmhpds),
+};
+
+/* SM8350 Power domains */
+static struct rpmhpd *sm8350_rpmhpds[] = {
+	[SM8350_CX] = &cx_w_mx_parent,
+	[SM8350_CX_AO] = &cx_ao_w_mx_parent,
+	[SM8350_EBI] = &ebi,
+	[SM8350_GFX] = &gfx,
+	[SM8350_LCX] = &lcx,
+	[SM8350_LMX] = &lmx,
+	[SM8350_MMCX] = &mmcx,
+	[SM8350_MMCX_AO] = &mmcx_ao,
+	[SM8350_MSS] = &mss,
+	[SM8350_MX] = &mx,
+	[SM8350_MX_AO] = &mx_ao,
+	[SM8350_MXC] = &mxc,
+	[SM8350_MXC_AO] = &mxc_ao,
+};
+
+static const struct rpmhpd_desc sm8350_desc = {
+	.rpmhpds = sm8350_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm8350_rpmhpds),
+};
+
+/* SM8450 RPMH powerdomains */
+static struct rpmhpd *sm8450_rpmhpds[] = {
+	[SM8450_CX] = &cx,
+	[SM8450_CX_AO] = &cx_ao,
+	[SM8450_EBI] = &ebi,
+	[SM8450_GFX] = &gfx,
+	[SM8450_LCX] = &lcx,
+	[SM8450_LMX] = &lmx,
+	[SM8450_MMCX] = &mmcx_w_cx_parent,
+	[SM8450_MMCX_AO] = &mmcx_ao_w_cx_parent,
+	[SM8450_MSS] = &mss,
+	[SM8450_MX] = &mx,
+	[SM8450_MX_AO] = &mx_ao,
+	[SM8450_MXC] = &mxc,
+	[SM8450_MXC_AO] = &mxc_ao,
+};
+
+static const struct rpmhpd_desc sm8450_desc = {
+	.rpmhpds = sm8450_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm8450_rpmhpds),
+};
+
+/* SM8550 RPMH powerdomains */
+static struct rpmhpd *sm8550_rpmhpds[] = {
+	[SM8550_CX] = &cx,
+	[SM8550_CX_AO] = &cx_ao,
+	[SM8550_EBI] = &ebi,
+	[SM8550_GFX] = &gfx,
+	[SM8550_LCX] = &lcx,
+	[SM8550_LMX] = &lmx,
+	[SM8550_MMCX] = &mmcx_w_cx_parent,
+	[SM8550_MMCX_AO] = &mmcx_ao_w_cx_parent,
+	[SM8550_MSS] = &mss,
+	[SM8550_MX] = &mx,
+	[SM8550_MX_AO] = &mx_ao,
+	[SM8550_MXC] = &mxc,
+	[SM8550_MXC_AO] = &mxc_ao,
+	[SM8550_NSP] = &nsp,
+};
+
+static const struct rpmhpd_desc sm8550_desc = {
+	.rpmhpds = sm8550_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm8550_rpmhpds),
+};
+
+/* QDU1000/QRU1000 RPMH powerdomains */
+static struct rpmhpd *qdu1000_rpmhpds[] = {
+	[QDU1000_CX] = &cx,
+	[QDU1000_EBI] = &ebi,
+	[QDU1000_MSS] = &mss,
+	[QDU1000_MX] = &mx,
+};
+
+static const struct rpmhpd_desc qdu1000_desc = {
+	.rpmhpds = qdu1000_rpmhpds,
+	.num_pds = ARRAY_SIZE(qdu1000_rpmhpds),
+};
+
+/* SC7180 RPMH powerdomains */
+static struct rpmhpd *sc7180_rpmhpds[] = {
+	[SC7180_CX] = &cx_w_mx_parent,
+	[SC7180_CX_AO] = &cx_ao_w_mx_parent,
+	[SC7180_GFX] = &gfx,
+	[SC7180_LCX] = &lcx,
+	[SC7180_LMX] = &lmx,
+	[SC7180_MSS] = &mss,
+	[SC7180_MX] = &mx,
+	[SC7180_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc7180_desc = {
+	.rpmhpds = sc7180_rpmhpds,
+	.num_pds = ARRAY_SIZE(sc7180_rpmhpds),
+};
+
+/* SC7280 RPMH powerdomains */
+static struct rpmhpd *sc7280_rpmhpds[] = {
+	[SC7280_CX] = &cx,
+	[SC7280_CX_AO] = &cx_ao,
+	[SC7280_EBI] = &ebi,
+	[SC7280_GFX] = &gfx,
+	[SC7280_LCX] = &lcx,
+	[SC7280_LMX] = &lmx,
+	[SC7280_MSS] = &mss,
+	[SC7280_MX] = &mx,
+	[SC7280_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc7280_desc = {
+	.rpmhpds = sc7280_rpmhpds,
+	.num_pds = ARRAY_SIZE(sc7280_rpmhpds),
+};
+
+/* SC8180x RPMH powerdomains */
+static struct rpmhpd *sc8180x_rpmhpds[] = {
+	[SC8180X_CX] = &cx_w_mx_parent,
+	[SC8180X_CX_AO] = &cx_ao_w_mx_parent,
+	[SC8180X_EBI] = &ebi,
+	[SC8180X_GFX] = &gfx,
+	[SC8180X_LCX] = &lcx,
+	[SC8180X_LMX] = &lmx,
+	[SC8180X_MMCX] = &mmcx,
+	[SC8180X_MMCX_AO] = &mmcx_ao,
+	[SC8180X_MSS] = &mss,
+	[SC8180X_MX] = &mx,
+	[SC8180X_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc8180x_desc = {
+	.rpmhpds = sc8180x_rpmhpds,
+	.num_pds = ARRAY_SIZE(sc8180x_rpmhpds),
+};
+
+/* SC8280xp RPMH powerdomains */
+static struct rpmhpd *sc8280xp_rpmhpds[] = {
+	[SC8280XP_CX] = &cx,
+	[SC8280XP_CX_AO] = &cx_ao,
+	[SC8280XP_EBI] = &ebi,
+	[SC8280XP_GFX] = &gfx,
+	[SC8280XP_LCX] = &lcx,
+	[SC8280XP_LMX] = &lmx,
+	[SC8280XP_MMCX] = &mmcx,
+	[SC8280XP_MMCX_AO] = &mmcx_ao,
+	[SC8280XP_MX] = &mx,
+	[SC8280XP_MX_AO] = &mx_ao,
+	[SC8280XP_NSP] = &nsp,
+	[SC8280XP_QPHY] = &qphy,
+};
+
+static const struct rpmhpd_desc sc8280xp_desc = {
+	.rpmhpds = sc8280xp_rpmhpds,
+	.num_pds = ARRAY_SIZE(sc8280xp_rpmhpds),
+};
+
+static const struct of_device_id rpmhpd_match_table[] = {
+	{ .compatible = "qcom,qdu1000-rpmhpd", .data = &qdu1000_desc },
+	{ .compatible = "qcom,sa8540p-rpmhpd", .data = &sa8540p_desc },
+	{ .compatible = "qcom,sc7180-rpmhpd", .data = &sc7180_desc },
+	{ .compatible = "qcom,sc7280-rpmhpd", .data = &sc7280_desc },
+	{ .compatible = "qcom,sc8180x-rpmhpd", .data = &sc8180x_desc },
+	{ .compatible = "qcom,sc8280xp-rpmhpd", .data = &sc8280xp_desc },
+	{ .compatible = "qcom,sdm670-rpmhpd", .data = &sdm670_desc },
+	{ .compatible = "qcom,sdm845-rpmhpd", .data = &sdm845_desc },
+	{ .compatible = "qcom,sdx55-rpmhpd", .data = &sdx55_desc},
+	{ .compatible = "qcom,sdx65-rpmhpd", .data = &sdx65_desc},
+	{ .compatible = "qcom,sm6350-rpmhpd", .data = &sm6350_desc },
+	{ .compatible = "qcom,sm8150-rpmhpd", .data = &sm8150_desc },
+	{ .compatible = "qcom,sm8250-rpmhpd", .data = &sm8250_desc },
+	{ .compatible = "qcom,sm8350-rpmhpd", .data = &sm8350_desc },
+	{ .compatible = "qcom,sm8450-rpmhpd", .data = &sm8450_desc },
+	{ .compatible = "qcom,sm8550-rpmhpd", .data = &sm8550_desc },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rpmhpd_match_table);
+
+static int rpmhpd_send_corner(struct rpmhpd *pd, int state,
+			      unsigned int corner, bool sync)
+{
+	struct tcs_cmd cmd = {
+		.addr = pd->addr,
+		.data = corner,
+	};
+
+	/*
+	 * Wait for an ack only when we are increasing the
+	 * perf state of the power domain
+	 */
+	if (sync)
+		return rpmh_write(pd->dev, state, &cmd, 1);
+	else
+		return rpmh_write_async(pd->dev, state, &cmd, 1);
+}
+
+static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,
+			    unsigned int *active, unsigned int *sleep)
+{
+	*active = corner;
+
+	if (pd->active_only)
+		*sleep = 0;
+	else
+		*sleep = *active;
+}
+
+/*
+ * This function is used to aggregate the votes across the active only
+ * resources and its peers. The aggregated votes are sent to RPMh as
+ * ACTIVE_ONLY votes (which take effect immediately), as WAKE_ONLY votes
+ * (applied by RPMh on system wakeup) and as SLEEP votes (applied by RPMh
+ * on system sleep).
+ * We send ACTIVE_ONLY votes for resources without any peers. For others,
+ * which have an active only peer, all 3 votes are sent.
+ */
+static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner)
+{
+	int ret;
+	struct rpmhpd *peer = pd->peer;
+	unsigned int active_corner, sleep_corner;
+	unsigned int this_active_corner = 0, this_sleep_corner = 0;
+	unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
+
+	if (pd->state_synced) {
+		to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner);
+	} else {
+		/* Clamp to highest corner if sync_state hasn't happened */
+		this_active_corner = pd->level_count - 1;
+		this_sleep_corner = pd->level_count - 1;
+	}
+
+	if (peer && peer->enabled)
+		to_active_sleep(peer, peer->corner, &peer_active_corner,
+				&peer_sleep_corner);
+
+	active_corner = max(this_active_corner, peer_active_corner);
+
+	ret = rpmhpd_send_corner(pd, RPMH_ACTIVE_ONLY_STATE, active_corner,
+				 active_corner > pd->active_corner);
+	if (ret)
+		return ret;
+
+	pd->active_corner = active_corner;
+
+	if (peer) {
+		peer->active_corner = active_corner;
+
+		ret = rpmhpd_send_corner(pd, RPMH_WAKE_ONLY_STATE,
+					 active_corner, false);
+		if (ret)
+			return ret;
+
+		sleep_corner = max(this_sleep_corner, peer_sleep_corner);
+
+		return rpmhpd_send_corner(pd, RPMH_SLEEP_STATE, sleep_corner,
+					  false);
+	}
+
+	return ret;
+}
+
+static int rpmhpd_power_on(struct generic_pm_domain *domain)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	unsigned int corner;
+	int ret;
+
+	mutex_lock(&rpmhpd_lock);
+
+	corner = max(pd->corner, pd->enable_corner);
+	ret = rpmhpd_aggregate_corner(pd, corner);
+	if (!ret)
+		pd->enabled = true;
+
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static int rpmhpd_power_off(struct generic_pm_domain *domain)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	int ret;
+
+	mutex_lock(&rpmhpd_lock);
+
+	ret = rpmhpd_aggregate_corner(pd, 0);
+	if (!ret)
+		pd->enabled = false;
+
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
+					unsigned int level)
+{
+	struct rpmhpd *pd = domain_to_rpmhpd(domain);
+	int ret = 0, i;
+
+	mutex_lock(&rpmhpd_lock);
+
+	for (i = 0; i < pd->level_count; i++)
+		if (level <= pd->level[i])
+			break;
+
+	/*
+	 * If the level requested is more than that supported by the
+	 * max corner, just set it to max anyway.
+	 */
+	if (i == pd->level_count)
+		i--;
+
+	if (pd->enabled) {
+		/* Ensure that the domain isn't turn off */
+		if (i < pd->enable_corner)
+			i = pd->enable_corner;
+
+		ret = rpmhpd_aggregate_corner(pd, i);
+		if (ret)
+			goto out;
+	}
+
+	pd->corner = i;
+out:
+	mutex_unlock(&rpmhpd_lock);
+
+	return ret;
+}
+
+static unsigned int rpmhpd_get_performance_state(struct generic_pm_domain *genpd,
+						 struct dev_pm_opp *opp)
+{
+	return dev_pm_opp_get_level(opp);
+}
+
+static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
+{
+	int i;
+	const u16 *buf;
+
+	buf = cmd_db_read_aux_data(rpmhpd->res_name, &rpmhpd->level_count);
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	/* 2 bytes used for each command DB aux data entry */
+	rpmhpd->level_count >>= 1;
+
+	if (rpmhpd->level_count > RPMH_ARC_MAX_LEVELS)
+		return -EINVAL;
+
+	for (i = 0; i < rpmhpd->level_count; i++) {
+		rpmhpd->level[i] = buf[i];
+
+		/* Remember the first corner with non-zero level */
+		if (!rpmhpd->level[rpmhpd->enable_corner] && rpmhpd->level[i])
+			rpmhpd->enable_corner = i;
+
+		/*
+		 * The AUX data may be zero padded.  These 0 valued entries at
+		 * the end of the map must be ignored.
+		 */
+		if (i > 0 && rpmhpd->level[i] == 0) {
+			rpmhpd->level_count = i;
+			break;
+		}
+		pr_debug("%s: ARC hlvl=%2d --> vlvl=%4u\n", rpmhpd->res_name, i,
+			 rpmhpd->level[i]);
+	}
+
+	return 0;
+}
+
+static int rpmhpd_probe(struct platform_device *pdev)
+{
+	int i, ret;
+	size_t num_pds;
+	struct device *dev = &pdev->dev;
+	struct genpd_onecell_data *data;
+	struct rpmhpd **rpmhpds;
+	const struct rpmhpd_desc *desc;
+
+	desc = of_device_get_match_data(dev);
+	if (!desc)
+		return -EINVAL;
+
+	rpmhpds = desc->rpmhpds;
+	num_pds = desc->num_pds;
+
+	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	data->domains = devm_kcalloc(dev, num_pds, sizeof(*data->domains),
+				     GFP_KERNEL);
+	if (!data->domains)
+		return -ENOMEM;
+
+	data->num_domains = num_pds;
+
+	for (i = 0; i < num_pds; i++) {
+		if (!rpmhpds[i])
+			continue;
+
+		rpmhpds[i]->dev = dev;
+		rpmhpds[i]->addr = cmd_db_read_addr(rpmhpds[i]->res_name);
+		if (!rpmhpds[i]->addr) {
+			dev_err(dev, "Could not find RPMh address for resource %s\n",
+				rpmhpds[i]->res_name);
+			return -ENODEV;
+		}
+
+		ret = cmd_db_read_slave_id(rpmhpds[i]->res_name);
+		if (ret != CMD_DB_HW_ARC) {
+			dev_err(dev, "RPMh slave ID mismatch\n");
+			return -EINVAL;
+		}
+
+		ret = rpmhpd_update_level_mapping(rpmhpds[i]);
+		if (ret)
+			return ret;
+
+		rpmhpds[i]->pd.power_off = rpmhpd_power_off;
+		rpmhpds[i]->pd.power_on = rpmhpd_power_on;
+		rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state;
+		rpmhpds[i]->pd.opp_to_performance_state = rpmhpd_get_performance_state;
+		pm_genpd_init(&rpmhpds[i]->pd, NULL, true);
+
+		data->domains[i] = &rpmhpds[i]->pd;
+	}
+
+	/* Add subdomains */
+	for (i = 0; i < num_pds; i++) {
+		if (!rpmhpds[i])
+			continue;
+		if (rpmhpds[i]->parent)
+			pm_genpd_add_subdomain(rpmhpds[i]->parent,
+					       &rpmhpds[i]->pd);
+	}
+
+	return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
+}
+
+static void rpmhpd_sync_state(struct device *dev)
+{
+	const struct rpmhpd_desc *desc = of_device_get_match_data(dev);
+	struct rpmhpd **rpmhpds = desc->rpmhpds;
+	unsigned int corner;
+	struct rpmhpd *pd;
+	unsigned int i;
+	int ret;
+
+	mutex_lock(&rpmhpd_lock);
+	for (i = 0; i < desc->num_pds; i++) {
+		pd = rpmhpds[i];
+		if (!pd)
+			continue;
+
+		pd->state_synced = true;
+		if (pd->enabled)
+			corner = max(pd->corner, pd->enable_corner);
+		else
+			corner = 0;
+
+		ret = rpmhpd_aggregate_corner(pd, corner);
+		if (ret)
+			dev_err(dev, "failed to sync %s\n", pd->res_name);
+	}
+	mutex_unlock(&rpmhpd_lock);
+}
+
+static struct platform_driver rpmhpd_driver = {
+	.driver = {
+		.name = "qcom-rpmhpd",
+		.of_match_table = rpmhpd_match_table,
+		.suppress_bind_attrs = true,
+		.sync_state = rpmhpd_sync_state,
+	},
+	.probe = rpmhpd_probe,
+};
+
+static int __init rpmhpd_init(void)
+{
+	return platform_driver_register(&rpmhpd_driver);
+}
+core_initcall(rpmhpd_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Power Domain Driver");
+MODULE_LICENSE("GPL v2");