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Ipu7 psys register psys node before add device and debugfs #90

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Ipu7 psys register psys node before add device and debugfs #90

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23cf17a
media:ipu7: register psys node before add device
arunt1 Jul 17, 2026
4fbb9eb
media:ipu7 add ipu psys node for debugfs
arunt1 Jul 17, 2026
858ab56
media: intel: ipu7: move debugfs field to end of ipu7_device
arunt1 Jul 21, 2026
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6 changes: 3 additions & 3 deletions drivers/media/pci/intel/ipu7/ipu7.h
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Original file line number Diff line number Diff line change
Expand Up @@ -81,13 +81,13 @@ struct ipu7_device {

void __iomem *base;
void __iomem *pb_base;
#ifdef CONFIG_DEBUG_FS
struct dentry *ipu7_dir;
#endif
u8 hw_ver;
bool ipc_reinit;
bool secure_mode;
bool ipu7_bus_ready_to_probe;
#ifdef CONFIG_DEBUG_FS
struct dentry *ipu7_dir;
#endif
};

#define IPU_DMA_MASK 39
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32 changes: 27 additions & 5 deletions drivers/media/pci/intel/ipu7/psys/ipu-psys.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1311,8 +1311,11 @@ static int ipu7_psys_init_debugfs(struct ipu7_psys *psys)
{
struct dentry *file;
struct dentry *dir;

#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 17, 0)
dir = debugfs_create_dir("psys", psys->adev->isp->ipu7_dir);
#else
dir = debugfs_create_dir("ipu7-psys", NULL);
#endif
if (IS_ERR(dir))
return -ENOMEM;

Expand Down Expand Up @@ -1459,9 +1462,7 @@ static void ipu7_psys_remove(struct auxiliary_device *auxdev)
struct ipu7_psys *psys = dev_get_drvdata(&auxdev->dev);
struct device *dev = &auxdev->dev;
#ifdef CONFIG_DEBUG_FS
struct ipu7_device *isp = psys->adev->isp;

if (isp->ipu7_dir)
if (psys->debugfsdir)
debugfs_remove_recursive(psys->debugfsdir);
#endif

Expand Down Expand Up @@ -1541,7 +1542,28 @@ static struct auxiliary_driver ipu7_psys_driver = {
},
};

module_auxiliary_driver(ipu7_psys_driver);
static int __init ipu7_psys_init(void)
{
int ret;

ret = bus_register(&ipu7_psys_bus);
if (ret)
return ret;

ret = auxiliary_driver_register(&ipu7_psys_driver);
if (ret)
bus_unregister(&ipu7_psys_bus);

return ret;
}
module_init(ipu7_psys_init);

static void __exit ipu7_psys_exit(void)
{
auxiliary_driver_unregister(&ipu7_psys_driver);
bus_unregister(&ipu7_psys_bus);
}
module_exit(ipu7_psys_exit);

MODULE_AUTHOR("Bingbu Cao <bingbu.cao@intel.com>");
MODULE_AUTHOR("Qingwu Zhang <qingwu.zhang@intel.com>");
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