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path: root/drivers/i2c/busses/i2c-nvidia-gpu.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-nvidia-gpu.c')
-rw-r--r--drivers/i2c/busses/i2c-nvidia-gpu.c62
1 files changed, 21 insertions, 41 deletions
diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index b5055a3cbd93..6920c1b9a126 100644
--- a/drivers/i2c/busses/i2c-nvidia-gpu.c
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -17,6 +17,8 @@
#include <asm/unaligned.h>
+#include "i2c-ccgx-ucsi.h"
+
/* I2C definitions */
#define I2C_MST_CNTL 0x00
#define I2C_MST_CNTL_GEN_START BIT(0)
@@ -266,54 +268,32 @@ static const struct software_node ccgx_node = {
.properties = ccgx_props,
};
-static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq)
-{
- i2cd->gpu_ccgx_ucsi = devm_kzalloc(i2cd->dev,
- sizeof(*i2cd->gpu_ccgx_ucsi),
- GFP_KERNEL);
- if (!i2cd->gpu_ccgx_ucsi)
- return -ENOMEM;
-
- strlcpy(i2cd->gpu_ccgx_ucsi->type, "ccgx-ucsi",
- sizeof(i2cd->gpu_ccgx_ucsi->type));
- i2cd->gpu_ccgx_ucsi->addr = 0x8;
- i2cd->gpu_ccgx_ucsi->irq = irq;
- i2cd->gpu_ccgx_ucsi->swnode = &ccgx_node;
- i2cd->ccgx_client = i2c_new_client_device(&i2cd->adapter, i2cd->gpu_ccgx_ucsi);
- return PTR_ERR_OR_ZERO(i2cd->ccgx_client);
-}
-
static int gpu_i2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
+ struct device *dev = &pdev->dev;
struct gpu_i2c_dev *i2cd;
int status;
- i2cd = devm_kzalloc(&pdev->dev, sizeof(*i2cd), GFP_KERNEL);
+ i2cd = devm_kzalloc(dev, sizeof(*i2cd), GFP_KERNEL);
if (!i2cd)
return -ENOMEM;
- i2cd->dev = &pdev->dev;
- dev_set_drvdata(&pdev->dev, i2cd);
+ i2cd->dev = dev;
+ dev_set_drvdata(dev, i2cd);
status = pcim_enable_device(pdev);
- if (status < 0) {
- dev_err(&pdev->dev, "pcim_enable_device failed %d\n", status);
- return status;
- }
+ if (status < 0)
+ return dev_err_probe(dev, status, "pcim_enable_device failed\n");
pci_set_master(pdev);
i2cd->regs = pcim_iomap(pdev, 0, 0);
- if (!i2cd->regs) {
- dev_err(&pdev->dev, "pcim_iomap failed\n");
- return -ENOMEM;
- }
+ if (!i2cd->regs)
+ return dev_err_probe(dev, -ENOMEM, "pcim_iomap failed\n");
status = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
- if (status < 0) {
- dev_err(&pdev->dev, "pci_alloc_irq_vectors err %d\n", status);
- return status;
- }
+ if (status < 0)
+ return dev_err_probe(dev, status, "pci_alloc_irq_vectors err\n");
gpu_enable_i2c_bus(i2cd);
@@ -323,21 +303,21 @@ static int gpu_i2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sizeof(i2cd->adapter.name));
i2cd->adapter.algo = &gpu_i2c_algorithm;
i2cd->adapter.quirks = &gpu_i2c_quirks;
- i2cd->adapter.dev.parent = &pdev->dev;
+ i2cd->adapter.dev.parent = dev;
status = i2c_add_adapter(&i2cd->adapter);
if (status < 0)
goto free_irq_vectors;
- status = gpu_populate_client(i2cd, pdev->irq);
- if (status < 0) {
- dev_err(&pdev->dev, "gpu_populate_client failed %d\n", status);
+ i2cd->ccgx_client = i2c_new_ccgx_ucsi(&i2cd->adapter, pdev->irq, &ccgx_node);
+ if (IS_ERR(i2cd->ccgx_client)) {
+ status = dev_err_probe(dev, PTR_ERR(i2cd->ccgx_client), "register UCSI failed\n");
goto del_adapter;
}
- pm_runtime_set_autosuspend_delay(&pdev->dev, 3000);
- pm_runtime_use_autosuspend(&pdev->dev);
- pm_runtime_put_autosuspend(&pdev->dev);
- pm_runtime_allow(&pdev->dev);
+ pm_runtime_set_autosuspend_delay(dev, 3000);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_put_autosuspend(dev);
+ pm_runtime_allow(dev);
return 0;
@@ -350,7 +330,7 @@ free_irq_vectors:
static void gpu_i2c_remove(struct pci_dev *pdev)
{
- struct gpu_i2c_dev *i2cd = dev_get_drvdata(&pdev->dev);
+ struct gpu_i2c_dev *i2cd = pci_get_drvdata(pdev);
pm_runtime_get_noresume(i2cd->dev);
i2c_del_adapter(&i2cd->adapter);