mtd: Avoid magic values

Nvmem producer config ID "-1" is actually defined, so use the definition
rather than hardcoding it with a magic value.

Suggested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/linux-mtd/20230307192536.470997-1-miquel.raynal@bootlin.com

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 83fb7192a593cebf996e150375e46dae47c48d31..c78f9f4d522cf68f6974c1283cc5f4cf47501c1a 100644 (file)
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -519,7 +519,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
        struct device_node *node = mtd_get_of_node(mtd);
        struct nvmem_config config = {};
 
-       config.id = -1;
+       config.id = NVMEM_DEVID_NONE;
        config.dev = &mtd->dev;
        config.name = dev_name(&mtd->dev);
        config.owner = THIS_MODULE;