eeprom: at24: rename chip to pdata in at24_probe()
authorBartosz Golaszewski <brgl@bgdev.pl>
Mon, 19 Mar 2018 09:17:11 +0000 (10:17 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 23 Mar 2018 15:25:00 +0000 (16:25 +0100)
Reflect the purpose of this variable: it contains platform data so name
it such.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/eeprom/at24.c

index 5cdbf5b..d97e445 100644 (file)
@@ -519,7 +519,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        struct regmap_config regmap_config = { };
        struct nvmem_config nvmem_config = { };
        const struct at24_chip_data *cd = NULL;
-       struct at24_platform_data chip = { };
+       struct at24_platform_data pdata = { };
        unsigned int i, num_addresses;
        struct at24_data *at24;
        bool writable;
@@ -527,7 +527,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        int err;
 
        if (client->dev.platform_data) {
-               chip = *(struct at24_platform_data *)client->dev.platform_data;
+               pdata = *(struct at24_platform_data *)client->dev.platform_data;
        } else {
                /*
                 * The I2C core allows OF nodes compatibles to match against the
@@ -549,32 +549,32 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
                if (!cd)
                        return -ENODEV;
 
-               chip.byte_len = cd->byte_len;
-               chip.flags = cd->flags;
-               at24_properties_to_pdata(&client->dev, &chip);
+               pdata.byte_len = cd->byte_len;
+               pdata.flags = cd->flags;
+               at24_properties_to_pdata(&client->dev, &pdata);
        }
 
-       if (!chip.page_size) {
+       if (!pdata.page_size) {
                dev_err(&client->dev, "page_size must not be 0!\n");
                return -EINVAL;
        }
-       if (!is_power_of_2(chip.page_size))
+       if (!is_power_of_2(pdata.page_size))
                dev_warn(&client->dev,
                        "page_size looks suspicious (no power of 2)!\n");
 
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C) &&
            !i2c_check_functionality(client->adapter,
                                     I2C_FUNC_SMBUS_WRITE_I2C_BLOCK))
-               chip.page_size = 1;
+               pdata.page_size = 1;
 
-       if (chip.flags & AT24_FLAG_TAKE8ADDR)
+       if (pdata.flags & AT24_FLAG_TAKE8ADDR)
                num_addresses = 8;
        else
-               num_addresses = DIV_ROUND_UP(chip.byte_len,
-                       (chip.flags & AT24_FLAG_ADDR16) ? 65536 : 256);
+               num_addresses = DIV_ROUND_UP(pdata.byte_len,
+                       (pdata.flags & AT24_FLAG_ADDR16) ? 65536 : 256);
 
        regmap_config.val_bits = 8;
-       regmap_config.reg_bits = (chip.flags & AT24_FLAG_ADDR16) ? 16 : 8;
+       regmap_config.reg_bits = (pdata.flags & AT24_FLAG_ADDR16) ? 16 : 8;
        regmap_config.disable_locking = true;
 
        at24 = devm_kzalloc(&client->dev, sizeof(struct at24_data) +
@@ -583,9 +583,9 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
                return -ENOMEM;
 
        mutex_init(&at24->lock);
-       at24->chip = chip;
+       at24->chip = pdata;
        at24->num_addresses = num_addresses;
-       at24->offset_adj = at24_get_offset_adj(chip.flags, chip.byte_len);
+       at24->offset_adj = at24_get_offset_adj(pdata.flags, pdata.byte_len);
 
        at24->wp_gpio = devm_gpiod_get_optional(&client->dev,
                                                "wp", GPIOD_OUT_HIGH);
@@ -597,16 +597,16 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        if (IS_ERR(at24->client[0].regmap))
                return PTR_ERR(at24->client[0].regmap);
 
-       if ((chip.flags & AT24_FLAG_SERIAL) && (chip.flags & AT24_FLAG_MAC)) {
+       if ((pdata.flags & AT24_FLAG_SERIAL) && (pdata.flags & AT24_FLAG_MAC)) {
                dev_err(&client->dev,
                        "invalid device data - cannot have both AT24_FLAG_SERIAL & AT24_FLAG_MAC.");
                return -EINVAL;
        }
 
-       writable = !(chip.flags & AT24_FLAG_READONLY);
+       writable = !(pdata.flags & AT24_FLAG_READONLY);
        if (writable) {
                at24->write_max = min_t(unsigned int,
-                                       chip.page_size, at24_io_limit);
+                                       pdata.page_size, at24_io_limit);
                if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C) &&
                    at24->write_max > I2C_SMBUS_BLOCK_MAX)
                        at24->write_max = I2C_SMBUS_BLOCK_MAX;
@@ -660,7 +660,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        nvmem_config.priv = at24;
        nvmem_config.stride = 1;
        nvmem_config.word_size = 1;
-       nvmem_config.size = chip.byte_len;
+       nvmem_config.size = pdata.byte_len;
 
        at24->nvmem = nvmem_register(&nvmem_config);
 
@@ -670,12 +670,12 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        }
 
        dev_info(&client->dev, "%u byte %s EEPROM, %s, %u bytes/write\n",
-               chip.byte_len, client->name,
+               pdata.byte_len, client->name,
                writable ? "writable" : "read-only", at24->write_max);
 
        /* export data to kernel code */
-       if (chip.setup)
-               chip.setup(at24->nvmem, chip.context);
+       if (pdata.setup)
+               pdata.setup(at24->nvmem, pdata.context);
 
        return 0;