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-rw-r--r--drivers/mtd/spi-nor/spi-nor.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 824649eecd59..f5d24ccf5108 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -2878,6 +2878,7 @@ write_err:
static int spi_nor_check(struct spi_nor *nor)
{
if (!nor->dev ||
+ (!nor->spimem && !nor->controller_ops) ||
(!nor->spimem && nor->controller_ops &&
(!nor->controller_ops->read ||
!nor->controller_ops->write ||
@@ -2887,6 +2888,11 @@ static int spi_nor_check(struct spi_nor *nor)
return -EINVAL;
}
+ if (nor->spimem && nor->controller_ops) {
+ dev_err(nor->dev, "nor->spimem and nor->controller_ops are mutually exclusive, please set just one of them.\n");
+ return -EINVAL;
+ }
+
return 0;
}