rtc: rv8803: put struct nvmem_config on the stack

Avoid allocating memory for struct nvmem_config.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
index c10132d..6fb5041 100644 (file)
--- a/drivers/rtc/rtc-rv8803.c
+++ b/drivers/rtc/rtc-rv8803.c
@@ -68,7 +68,6 @@ struct rv8803_data {
        struct mutex flags_lock;
        u8 ctrl;
        enum rv8803_type type;
-       struct nvmem_config nvmem_cfg;
 };
 
 static int rv8803_read_reg(const struct i2c_client *client, u8 reg)
@@ -528,6 +527,15 @@ static int rv8803_probe(struct i2c_client *client,
        struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
        struct rv8803_data *rv8803;
        int err, flags;
+       struct nvmem_config nvmem_cfg = {
+               .name = "rv8803_nvram",
+               .word_size = 1,
+               .stride = 1,
+               .size = 1,
+               .reg_read = rv8803_nvram_read,
+               .reg_write = rv8803_nvram_write,
+               .priv = client,
+       };
 
        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
                                     I2C_FUNC_SMBUS_I2C_BLOCK)) {
@@ -582,21 +590,13 @@ static int rv8803_probe(struct i2c_client *client,
                }
        }
 
-       rv8803->nvmem_cfg.name = "rv8803_nvram",
-       rv8803->nvmem_cfg.word_size = 1,
-       rv8803->nvmem_cfg.stride = 1,
-       rv8803->nvmem_cfg.size = 1,
-       rv8803->nvmem_cfg.reg_read = rv8803_nvram_read,
-       rv8803->nvmem_cfg.reg_write = rv8803_nvram_write,
-       rv8803->nvmem_cfg.priv = client;
-
        rv8803->rtc->ops = &rv8803_rtc_ops;
        rv8803->rtc->nvram_old_abi = true;
        err = rtc_register_device(rv8803->rtc);
        if (err)
                return err;
 
-       rtc_nvmem_register(rv8803->rtc, &rv8803->nvmem_cfg);
+       rtc_nvmem_register(rv8803->rtc, &nvmem_cfg);
 
        err = rv8803_write_reg(rv8803->client, RV8803_EXT, RV8803_EXT_WADA);
        if (err)