public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-18 22:14:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'ti/omap' into next

Browse source 
* ti/omap:
  iommu/omap: Use syscon_regmap_lookup_by_phandle_args
  iommu/omap: Drop redundant check if ti,syscon-mmuconfig exists
This commit is contained in:
Will Deacon 2025-07-24 11:18:11 +01:00
commit df61544f83
1 changed files with 5 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
drivers/iommu/omap-iommu.c
View file

@ -1123,29 +1123,15 @@ static int omap_iommu_dra7_get_dsp_system_cfg(struct platform_device *pdev,
struct omap_iommu *obj)
{
struct device_node *np = pdev->dev.of_node;
int ret;
if (!of_device_is_compatible(np, "ti,dra7-dsp-iommu"))
return 0;
if (!of_property_read_bool(np, "ti,syscon-mmuconfig")) {
dev_err(&pdev->dev, "ti,syscon-mmuconfig property is missing\n");
return -EINVAL;
}
obj->syscfg =
syscon_regmap_lookup_by_phandle(np, "ti,syscon-mmuconfig");
if (IS_ERR(obj->syscfg)) {
/* can fail with -EPROBE_DEFER */
ret = PTR_ERR(obj->syscfg);
return ret;
}
if (of_property_read_u32_index(np, "ti,syscon-mmuconfig", 1,
&obj->id)) {
dev_err(&pdev->dev, "couldn't get the IOMMU instance id within subsystem\n");
return -EINVAL;
}
obj->syscfg = syscon_regmap_lookup_by_phandle_args(np, "ti,syscon-mmuconfig",
1, &obj->id);
if (IS_ERR(obj->syscfg))
return dev_err_probe(&pdev->dev, PTR_ERR(obj->syscfg),
"ti,syscon-mmuconfig property is missing\n");
if (obj->id != 0 && obj->id != 1) {
dev_err(&pdev->dev, "invalid IOMMU instance id\n");