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--- a/drivers/mtd/spi-nor/bcm53xxspiflash.c
+++ b/drivers/mtd/spi-nor/bcm53xxspiflash.c
@@ -173,7 +173,8 @@ static const struct spi_device_id *bcm53
/* TODO: Try more ID commands */
- return ERR_PTR(-ENODEV);
+ /* Some chips used by Broadcom may actually support JEDEC */
+ return spi_nor_read_id(nor);
found_name:
// id = spi_nor_match_id(name);
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -631,7 +631,7 @@ static const struct spi_device_id spi_no
{ },
};
-static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
+const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
{
int tmp;
u8 id[5];
@@ -662,6 +662,7 @@ static const struct spi_device_id *spi_n
dev_err(nor->dev, "unrecognized JEDEC id %06x\n", jedec);
return ERR_PTR(-ENODEV);
}
+EXPORT_SYMBOL_GPL(spi_nor_read_id);
static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf)
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -188,6 +188,8 @@ struct spi_nor {
void *priv;
};
+const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor);
+
/**
* spi_nor_scan() - scan the SPI NOR
* @nor: the spi_nor structure
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