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Merge tag 'rproc-v7.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

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Pull remoteproc fixes from Bjorn Andersson:

 - Correct the early return from the i.MX remoteproc prepare
   operation, which prevented the platform-specific prepare
   function from being reached

 - Ensure that the Mediatek SCP clock is released during system
   suspend after the recent refactoring to avoid issues with the
   clock framework's prepare lock.

 - Correct the type of the subsys_name_len field in the sysmon
   event QMI message, as the recent introduction of big endian
   support in the QMI encoder highlighted the type mismatch and
   resulted in a failure to encode the message

 - Roll back the devm_ioremap_resource_wc() to a devm_ioremap_wc()
   in the Qualcomm WCNSS remoteproc driver, after reports that
   requesting this resource fails on some platforms

* tag 'rproc-v7.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  remoteproc: imx_rproc: Fix unreachable platform prepare_ops
  remoteproc: mediatek: Unprepare SCP clock during system suspend
  remoteproc: sysmon: Correct subsys_name_len type in QMI request
  remoteproc: qcom_wcnss: Fix reserved region mapping failure
This commit is contained in:
Linus Torvalds
2026-03-11 09:30:20 -07:00
parent 2b8e3fac9b 97e4567d39
commit 80234b5ab2
4 changed files with 42 additions and 3 deletions
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2
drivers/remoteproc/imx_rproc.c
View File

@@ -617,7 +617,7 @@ static int imx_rproc_prepare(struct rproc *rproc)
err = of_reserved_mem_region_to_resource(np, i++, &res);
if (err)
return 0;
break;
/*
* Ignore the first memory region which will be used vdev buffer.

39
drivers/remoteproc/mtk_scp.c
View File

@@ -1592,12 +1592,51 @@ static const struct of_device_id mtk_scp_of_match[] = {
};
MODULE_DEVICE_TABLE(of, mtk_scp_of_match);
static int __maybe_unused scp_suspend(struct device *dev)
{
struct mtk_scp *scp = dev_get_drvdata(dev);
struct rproc *rproc = scp->rproc;
/*
* Only unprepare if the SCP is running and holding the clock.
*
* Note: `scp_ops` doesn't implement .attach() callback, hence
* `rproc->state` can never be RPROC_ATTACHED. Otherwise, it
* should also be checked here.
*/
if (rproc->state == RPROC_RUNNING)
clk_unprepare(scp->clk);
return 0;
}
static int __maybe_unused scp_resume(struct device *dev)
{
struct mtk_scp *scp = dev_get_drvdata(dev);
struct rproc *rproc = scp->rproc;
/*
* Only prepare if the SCP was running and holding the clock.
*
* Note: `scp_ops` doesn't implement .attach() callback, hence
* `rproc->state` can never be RPROC_ATTACHED. Otherwise, it
* should also be checked here.
*/
if (rproc->state == RPROC_RUNNING)
return clk_prepare(scp->clk);
return 0;
}
static const struct dev_pm_ops scp_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(scp_suspend, scp_resume)
};
static struct platform_driver mtk_scp_driver = {
.probe = scp_probe,
.remove = scp_remove,
.driver = {
.name = "mtk-scp",
.of_match_table = mtk_scp_of_match,
.pm = &scp_pm_ops,
},
};

2
drivers/remoteproc/qcom_sysmon.c
View File

@@ -203,7 +203,7 @@ static const struct qmi_elem_info ssctl_shutdown_resp_ei[] = {
};
struct ssctl_subsys_event_req {
u8 subsys_name_len;
u32 subsys_name_len;
char subsys_name[SSCTL_SUBSYS_NAME_LENGTH];
u32 event;
u8 evt_driven_valid;

2
drivers/remoteproc/qcom_wcnss.c
View File

@@ -537,7 +537,7 @@ static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss)
wcnss->mem_phys = wcnss->mem_reloc = res.start;
wcnss->mem_size = resource_size(&res);
wcnss->mem_region = devm_ioremap_resource_wc(wcnss->dev, &res);
wcnss->mem_region = devm_ioremap_wc(wcnss->dev, wcnss->mem_phys, wcnss->mem_size);
if (IS_ERR(wcnss->mem_region)) {
dev_err(wcnss->dev, "unable to map memory region: %pR\n", &res);
return PTR_ERR(wcnss->mem_region);