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i.MX SoC update for 6.3:

Browse Source 
- Call ida_simple_remove() to free up ID allocated by ida_simple_get()
   for MMDC driver.
 - Add i.MX6ULZ compatible string to match table.
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Merge tag 'imx-soc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/soc

i.MX SoC update for 6.3:

- Call ida_simple_remove() to free up ID allocated by ida_simple_get()
  for MMDC driver.
- Add i.MX6ULZ compatible string to match table.

* tag 'imx-soc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: mach-imx6ul: add imx6ulz support
  ARM: imx: Call ida_simple_remove() for ida_simple_get

Link: https://lore.kernel.org/r/20230130023947.11780-2-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-01-31 09:15:15 +01:00
commit ae3147bb30
2 changed files with 13 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-imx/mach-imx6ul.c
View File

@ -63,6 +63,7 @@ static void __init imx6ul_init_late(void)
static const char * const imx6ul_dt_compat[] __initconst = {
"fsl,imx6ul",
"fsl,imx6ull",
"fsl,imx6ulz",
NULL,
};

24
arch/arm/mach-imx/mmdc.c
View File

@ -99,6 +99,7 @@ struct mmdc_pmu {
cpumask_t cpu;
struct hrtimer hrtimer;
unsigned int active_events;
int id;
struct device *dev;
struct perf_event *mmdc_events[MMDC_NUM_COUNTERS];
struct hlist_node node;
@ -433,8 +434,6 @@ static enum hrtimer_restart mmdc_pmu_timer_handler(struct hrtimer *hrtimer)
static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc,
void __iomem *mmdc_base, struct device *dev)
{
int mmdc_num;
*pmu_mmdc = (struct mmdc_pmu) {
.pmu = (struct pmu) {
.task_ctx_nr = perf_invalid_context,
@ -452,15 +451,16 @@ static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc,
.active_events = 0,
};
mmdc_num = ida_simple_get(&mmdc_ida, 0, 0, GFP_KERNEL);
pmu_mmdc->id = ida_simple_get(&mmdc_ida, 0, 0, GFP_KERNEL);
return mmdc_num;
return pmu_mmdc->id;
}
static int imx_mmdc_remove(struct platform_device *pdev)
{
struct mmdc_pmu *pmu_mmdc = platform_get_drvdata(pdev);
ida_simple_remove(&mmdc_ida, pmu_mmdc->id);
cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node);
perf_pmu_unregister(&pmu_mmdc->pmu);
iounmap(pmu_mmdc->mmdc_base);
@ -474,7 +474,6 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
{
struct mmdc_pmu *pmu_mmdc;
char *name;
int mmdc_num;
int ret;
const struct of_device_id *of_id =
of_match_device(imx_mmdc_dt_ids, &pdev->dev);
@ -497,14 +496,14 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
cpuhp_mmdc_state = ret;
}
mmdc_num = mmdc_pmu_init(pmu_mmdc, mmdc_base, &pdev->dev);
pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk;
if (mmdc_num == 0)
name = "mmdc";
else
name = devm_kasprintf(&pdev->dev,
GFP_KERNEL, "mmdc%d", mmdc_num);
ret = mmdc_pmu_init(pmu_mmdc, mmdc_base, &pdev->dev);
if (ret < 0)
goto pmu_free;
name = devm_kasprintf(&pdev->dev,
GFP_KERNEL, "mmdc%d", ret);
pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk;
pmu_mmdc->devtype_data = (struct fsl_mmdc_devtype_data *)of_id->data;
hrtimer_init(&pmu_mmdc->hrtimer, CLOCK_MONOTONIC,
@ -525,6 +524,7 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
pmu_register_err:
pr_warn("MMDC Perf PMU failed (%d), disabled\n", ret);
ida_simple_remove(&mmdc_ida, pmu_mmdc->id);
cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node);
hrtimer_cancel(&pmu_mmdc->hrtimer);
pmu_free: