diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-pcidrv.c | 13 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-nvidia-gpu.c | 3 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 782fe1ef3ca1..61d7a27aa070 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/pm_runtime.h> +#include <linux/power_supply.h> #include <linux/sched.h> #include <linux/slab.h> @@ -234,6 +235,16 @@ static const struct dev_pm_ops i2c_dw_pm_ops = { SET_RUNTIME_PM_OPS(i2c_dw_pci_runtime_suspend, i2c_dw_pci_runtime_resume, NULL) }; +static const struct property_entry dgpu_properties[] = { + /* USB-C doesn't power the system */ + PROPERTY_ENTRY_U8("scope", POWER_SUPPLY_SCOPE_DEVICE), + {} +}; + +static const struct software_node dgpu_node = { + .properties = dgpu_properties, +}; + static int i2c_dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -325,7 +336,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, } if ((dev->flags & MODEL_MASK) == MODEL_AMD_NAVI_GPU) { - dev->slave = i2c_new_ccgx_ucsi(&dev->adapter, dev->irq, NULL); + dev->slave = i2c_new_ccgx_ucsi(&dev->adapter, dev->irq, &dgpu_node); if (IS_ERR(dev->slave)) return dev_err_probe(dev->dev, PTR_ERR(dev->slave), "register UCSI failed\n"); diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c index a8b99e7f6262..26622d24bb1b 100644 --- a/drivers/i2c/busses/i2c-nvidia-gpu.c +++ b/drivers/i2c/busses/i2c-nvidia-gpu.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/power_supply.h> #include <asm/unaligned.h> @@ -261,6 +262,8 @@ MODULE_DEVICE_TABLE(pci, gpu_i2c_ids); static const struct property_entry ccgx_props[] = { /* Use FW built for NVIDIA GPU only */ PROPERTY_ENTRY_STRING("firmware-name", "nvidia,gpu"), + /* USB-C doesn't power the system */ + PROPERTY_ENTRY_U8("scope", POWER_SUPPLY_SCOPE_DEVICE), { } }; |