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| author | Michael Walle <michael@walle.cc> | 2022-08-11 00:06:48 +0200 |
|---|---|---|
| committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2022-11-21 15:37:15 +0200 |
| commit | 7d388551b6888f3725e6c957f472526b35161a5b (patch) | |
| tree | fb31d618e80885d8c7e478032dfa644fa5abd3c4 /Documentation/ABI/testing | |
| parent | 2ebc336be08160debfe27f87660cf550d710f3e9 (diff) | |
| download | linux-7d388551b6888f3725e6c957f472526b35161a5b.tar.bz2 | |
mtd: spi-nor: hide jedec_id sysfs attribute if not present
Some non-jedec compliant flashes (like the Everspin flashes) don't have
an ID at all. Hide the attribute in this case.
Fixes: 36ac02286265 ("mtd: spi-nor: add initial sysfs support")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Link: https://lore.kernel.org/r/20220810220654.1297699-2-michael@walle.cc
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor b/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor index d76cd3946434..e9ef69aef20b 100644 --- a/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor +++ b/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor @@ -5,6 +5,9 @@ Contact: linux-mtd@lists.infradead.org Description: (RO) The JEDEC ID of the SPI NOR flash as reported by the flash device. + The attribute is not present if the flash doesn't support + the "Read JEDEC ID" command (9Fh). This is the case for + non-JEDEC compliant flashes. What: /sys/bus/spi/devices/.../spi-nor/manufacturer Date: April 2021 |