i2c: xiic: switch to generic device property accessors

Use generic device property accessors making them work for ACPI
platforms.

Signed-off-by: Abdurrahman Hussain <abdurrahman@nexthop.ai>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260223-i2c-xiic-v12-3-b6c9ce4e4f3c@nexthop.ai

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 99286af2a0d79da7f28a748949e2aae367080942..c7f641e291a2353d1607564465d82cc9db88a431 100644 (file)
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -27,7 +27,6 @@
 #include <linux/platform_data/i2c-xiic.h>
 #include <linux/io.h>
 #include <linux/slab.h>
-#include <linux/of.h>
 #include <linux/clk.h>
 #include <linux/pm_runtime.h>
 #include <linux/iopoll.h>
@@ -1408,7 +1407,6 @@ static const struct i2c_adapter xiic_adapter = {
        .algo = &xiic_algorithm,
 };
 
-#if defined(CONFIG_OF)
 static const struct xiic_version_data xiic_2_00 = {
        .quirks = DYNAMIC_MODE_READ_BROKEN_BIT,
 };
@@ -1419,14 +1417,14 @@ static const struct of_device_id xiic_of_match[] = {
        {},
 };
 MODULE_DEVICE_TABLE(of, xiic_of_match);
-#endif
 
 static int xiic_i2c_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
+       struct fwnode_handle *fwnode = dev_fwnode(dev);
        struct xiic_i2c *i2c;
        struct xiic_i2c_platform_data *pdata;
-       const struct of_device_id *match;
+       const struct xiic_version_data *data;
        struct resource *res;
        int ret, irq;
        u8 i;
@@ -1436,12 +1434,9 @@ static int xiic_i2c_probe(struct platform_device *pdev)
        if (!i2c)
                return -ENOMEM;
 
-       match = of_match_node(xiic_of_match, pdev->dev.of_node);
-       if (match && match->data) {
-               const struct xiic_version_data *data = match->data;
-
+       data = device_get_match_data(dev);
+       if (data)
                i2c->quirks = data->quirks;
-       }
 
        i2c->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
        if (IS_ERR(i2c->base))
@@ -1458,7 +1453,7 @@ static int xiic_i2c_probe(struct platform_device *pdev)
        i2c->adap = xiic_adapter;
        i2c_set_adapdata(&i2c->adap, i2c);
        i2c->adap.dev.parent = &pdev->dev;
-       i2c->adap.dev.of_node = pdev->dev.of_node;
+       device_set_node(&i2c->adap.dev, fwnode);
        snprintf(i2c->adap.name, sizeof(i2c->adap.name),
                 DRIVER_NAME " %s", pdev->name);
 
@@ -1482,8 +1477,7 @@ static int xiic_i2c_probe(struct platform_device *pdev)
 
        /* SCL frequency configuration */
        i2c->input_clk = clk_get_rate(i2c->clk);
-       ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency",
-                                  &i2c->i2c_clk);
+       ret = device_property_read_u32(dev, "clock-frequency", &i2c->i2c_clk);
        /* If clock-frequency not specified in DT, do not configure in SW */
        if (ret || i2c->i2c_clk > I2C_MAX_FAST_MODE_PLUS_FREQ)
                i2c->i2c_clk = 0;
@@ -1494,8 +1488,7 @@ static int xiic_i2c_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       i2c->singlemaster =
-               of_property_read_bool(pdev->dev.of_node, "single-master");
+       i2c->singlemaster = device_property_read_bool(dev, "single-master");
 
        /*
         * Detect endianness