[PATCH 1/2] mtd: core: add MTD_DEVICE_ATTR_RO/RW() helper macros

From: Zhen Lei
Date: Thu Jun 03 2021 - 08:53:33 EST


Compared with the definition of DEVICE_ATTR_RO/RW(), the read and write
function names of the sysfs attribute have an additional "mtd_" prefix.

Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
drivers/mtd/mtdcore.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index ce514305f8f756e..770f64d6701567a 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -96,6 +96,12 @@ static void mtd_release(struct device *dev)
device_destroy(&mtd_class, index + 1);
}

+#define MTD_DEVICE_ATTR_RO(name) \
+static DEVICE_ATTR(name, 0444, mtd_##name##_show, NULL)
+
+#define MTD_DEVICE_ATTR_RW(name) \
+static DEVICE_ATTR(name, 0644, mtd_##name##_show, mtd_##name##_store)
+
static ssize_t mtd_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
--
2.26.0.106.g9fadedd