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TI SoC driver updates for v6.16

Browse Source 
- ti_sci: Bug fix in CPU latency conversion from us to ms for TISCI protocol
 - k3-socinfo: Add JTAG ID for AM62LX
 - Code cleanups: wkup_m3_ipc: Use dev_err_probe, k3-ringacc: use
   device_match_of_probe and knav_qmss_queue: drop unnecessary NULL check
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Merge tag 'ti-driver-soc-for-v6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers

TI SoC driver updates for v6.16

- ti_sci: Bug fix in CPU latency conversion from us to ms for TISCI protocol
- k3-socinfo: Add JTAG ID for AM62LX
- Code cleanups: wkup_m3_ipc: Use dev_err_probe, k3-ringacc: use
  device_match_of_probe and knav_qmss_queue: drop unnecessary NULL check

* tag 'ti-driver-soc-for-v6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  soc: ti: wkup_m3_ipc: Use dev_err_probe
  firmware: ti_sci: Convert CPU latency constraint from us to ms
  soc: ti: k3-socinfo: Add JTAG ID for AM62LX
  soc: ti: knav_qmss_queue: Remove unnecessary NULL check before free_percpu()
  soc: ti: k3-ringacc: Use device_match_of_node()

Link: https://lore.kernel.org/r/20250512144719.mpkyw2jbyzslb5hy@yearly
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2025-05-21 19:04:33 +02:00
commit 50c77033bc
5 changed files with 18 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/firmware/ti_sci.c
View File

@ -2,7 +2,7 @@
/*
* Texas Instruments System Control Interface Protocol Driver
*
* Copyright (C) 2015-2024 Texas Instruments Incorporated - https://www.ti.com/
* Copyright (C) 2015-2025 Texas Instruments Incorporated - https://www.ti.com/
* Nishanth Menon
*/
@ -3670,6 +3670,7 @@ static int __maybe_unused ti_sci_suspend(struct device *dev)
struct ti_sci_info *info = dev_get_drvdata(dev);
struct device *cpu_dev, *cpu_dev_max = NULL;
s32 val, cpu_lat = 0;
u16 cpu_lat_ms;
int i, ret;
if (info->fw_caps & MSG_FLAG_CAPS_LPM_DM_MANAGED) {
@ -3682,9 +3683,16 @@ static int __maybe_unused ti_sci_suspend(struct device *dev)
}
}
if (cpu_dev_max) {
dev_dbg(cpu_dev_max, "%s: sending max CPU latency=%u\n", __func__, cpu_lat);
/*
* PM QoS latency unit is usecs, device manager uses msecs.
* Convert to msecs and round down for device manager.
*/
cpu_lat_ms = cpu_lat / USEC_PER_MSEC;
dev_dbg(cpu_dev_max, "%s: sending max CPU latency=%u ms\n", __func__,
cpu_lat_ms);
ret = ti_sci_cmd_set_latency_constraint(&info->handle,
cpu_lat, TISCI_MSG_CONSTRAINT_SET);
cpu_lat_ms,
TISCI_MSG_CONSTRAINT_SET);
if (ret)
return ret;
}

2
drivers/soc/ti/k3-ringacc.c
View File

@ -1291,7 +1291,7 @@ struct k3_ringacc *of_k3_ringacc_get_by_phandle(struct device_node *np,
mutex_lock(&k3_ringacc_list_lock);
list_for_each_entry(entry, &k3_ringacc_list, list)
if (entry->dev->of_node == ringacc_np) {
if (device_match_of_node(entry->dev, ringacc_np)) {
ringacc = entry;
break;
}

2
drivers/soc/ti/k3-socinfo.c
View File

@ -43,6 +43,7 @@
#define JTAG_ID_PARTNO_AM62AX 0xBB8D
#define JTAG_ID_PARTNO_AM62PX 0xBB9D
#define JTAG_ID_PARTNO_J722S 0xBBA0
#define JTAG_ID_PARTNO_AM62LX 0xBBA7
static const struct k3_soc_id {
unsigned int id;
@ -58,6 +59,7 @@ static const struct k3_soc_id {
{ JTAG_ID_PARTNO_AM62AX, "AM62AX" },
{ JTAG_ID_PARTNO_AM62PX, "AM62PX" },
{ JTAG_ID_PARTNO_J722S, "J722S" },
{ JTAG_ID_PARTNO_AM62LX, "AM62LX" },
};
static const char * const j721e_rev_string_map[] = {

3
drivers/soc/ti/knav_qmss_queue.c
View File

@ -252,8 +252,7 @@ static struct knav_queue *__knav_queue_open(struct knav_queue_inst *inst,
return qh;
err:
if (qh->stats)
free_percpu(qh->stats);
free_percpu(qh->stats);
devm_kfree(inst->kdev->dev, qh);
return ERR_PTR(ret);
}

8
drivers/soc/ti/wkup_m3_ipc.c
View File

@ -644,11 +644,9 @@ static int wkup_m3_ipc_probe(struct platform_device *pdev)
m3_ipc->mbox = mbox_request_channel(&m3_ipc->mbox_client, 0);
if (IS_ERR(m3_ipc->mbox)) {
dev_err(dev, "IPC Request for A8->M3 Channel failed! %ld\n",
PTR_ERR(m3_ipc->mbox));
return PTR_ERR(m3_ipc->mbox);
}
if (IS_ERR(m3_ipc->mbox))
return dev_err_probe(dev, PTR_ERR(m3_ipc->mbox),
"IPC Request for A8->M3 Channel failed!\n");
if (of_property_read_u32(dev->of_node, "ti,rproc", &rproc_phandle)) {
dev_err(&pdev->dev, "could not get rproc phandle\n");