diff mbox series

[v1,1/2] mtd: spi-nor:sysfs: hide flash name if it is not set

Message ID 20231127100756.41605-2-jaimeliao.tw@gmail.com
State Changes Requested
Delegated to: Ambarus Tudor
Headers show
Series Hide flash name if it is not set | expand

Commit Message

liao jaime Nov. 27, 2023, 10:07 a.m. UTC 
From: JaimeLiao <jaimeliao@mxic.com.tw>

The info->name may be optional when flash ID founded in
ID table but didn't include flash name.

Signed-off-by: JaimeLiao <jaimeliao@mxic.com.tw>
---
 Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor | 3 +++
 drivers/mtd/spi-nor/sysfs.c                             | 2 ++
 2 files changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor b/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor
index c800621eff95..6d7be97bf7d1 100644
--- a/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor
+++ b/Documentation/ABI/testing/sysfs-bus-spi-devices-spi-nor
@@ -25,6 +25,9 @@  KernelVersion:	5.14
 Contact:	linux-mtd@lists.infradead.org
 Description:	(RO) Part name of the SPI NOR flash.
 
+		The attribute is not present if the jedec_id founded in
+		ID table but flash name didn't include in it.
+
 
 What:		/sys/bus/spi/devices/.../spi-nor/sfdp
 Date:		April 2021
diff --git a/drivers/mtd/spi-nor/sysfs.c b/drivers/mtd/spi-nor/sysfs.c
index 2dfdc555a69f..96064e4babf0 100644
--- a/drivers/mtd/spi-nor/sysfs.c
+++ b/drivers/mtd/spi-nor/sysfs.c
@@ -78,6 +78,8 @@  static umode_t spi_nor_sysfs_is_visible(struct kobject *kobj,
 
 	if (attr == &dev_attr_manufacturer.attr && !nor->manufacturer)
 		return 0;
+	if (attr == &dev_attr_partname.attr && !nor->info->name)
+		return 0;
 	if (attr == &dev_attr_jedec_id.attr && !nor->info->id && !nor->id)
 		return 0;