Message ID | 1417423336-15255-1-git-send-email-zajec5@gmail.com |
---|---|
State | Accepted |
Commit | 5986a0d4717bc82af0e69e3c6dd04150eafceabe |
Headers | show |
On Mon, Dec 01, 2014 at 09:42:16AM +0100, Rafał Miłecki wrote: > This will allow spi-nor users to plainly use JEDEC to detect flash chip. > > Signed-off-by: Rafał Miłecki <zajec5@gmail.com> > --- > V2: Rebase on top of: > 6d7604e mtd: spi-nor: add support for s25fl128s > d928a25 mtd: spi-nor: remove the jedec_id/ext_id > 09ffafb mtd: spi-nor: add id/id_len for flash_info{} Applied, thanks! Brian
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 0f4f2ba..afc58da 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -938,13 +938,21 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) if (ret) return ret; - id = spi_nor_match_id(name); + /* Try to auto-detect if chip name wasn't specified */ + if (!name) + id = spi_nor_read_id(nor); + else + id = spi_nor_match_id(name); if (!id) return -ENOENT; info = (void *)id->driver_data; - if (info->id_len) { + /* + * If caller has specified name of flash model that can normally be + * detected using JEDEC, let's verify it. + */ + if (name && info->id_len) { const struct spi_device_id *jid; jid = spi_nor_read_id(nor);
This will allow spi-nor users to plainly use JEDEC to detect flash chip. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> --- V2: Rebase on top of: 6d7604e mtd: spi-nor: add support for s25fl128s d928a25 mtd: spi-nor: remove the jedec_id/ext_id 09ffafb mtd: spi-nor: add id/id_len for flash_info{} --- drivers/mtd/spi-nor/spi-nor.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)