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From bd36a00c29060eb4684f433aa56c1adb3fad22b7 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 5 Jan 2022 16:19:32 +0200
Subject: [PATCH 13/48] i2c: nvidia-gpu: Switch to use i2c_new_ccgx_ucsi()
commit 2079563d6f60e63f7fc5d1b0b7a48dbb93c209d1 upstream
Instead of open coded variant switch to use i2c_new_ccgx_ucsi().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com>
---
drivers/i2c/busses/Kconfig | 1 +
drivers/i2c/busses/i2c-nvidia-gpu.c | 26 ++++++--------------------
2 files changed, 7 insertions(+), 20 deletions(-)
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 922ab14143fd..28d38d163a53 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -252,6 +252,7 @@ config I2C_NFORCE2_S4985
config I2C_NVIDIA_GPU
tristate "NVIDIA GPU I2C controller"
depends on PCI
+ select I2C_CCGX_UCSI
help
If you say yes to this option, support will be included for the
NVIDIA GPU I2C controller which is used to communicate with the GPU's
diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index b5055a3cbd93..8117c3674209 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)
@@ -266,23 +268,6 @@ 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 gpu_i2c_dev *i2cd;
@@ -328,9 +313,10 @@ static int gpu_i2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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(&pdev->dev, PTR_ERR(i2cd->ccgx_client),
+ "register UCSI failed\n");
goto del_adapter;
}
--
2.27.0
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