linux-kernel - [PATCH] misc: eeprom: set type id as EEPROM for nvmem devices

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Date:   Wed, 16 Sep 2020 18:29:09 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Vadym Kochan <vadym.kochan@...ision.eu>
Subject: [PATCH] misc: eeprom: set type id as EEPROM for nvmem devices

Set type as NVMEM_TYPE_EEPROM to expose this info via
sysfs:

$ cat /sys/bus/nvmem/devices/0-00560/type
EEPROM

Signed-off-by: Vadym Kochan <vadym.kochan@...ision.eu>
---
Checked only with at24.

 drivers/misc/eeprom/at24.c          | 1 +
 drivers/misc/eeprom/at25.c          | 1 +
 drivers/misc/eeprom/eeprom_93xx46.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 2591c21b2b5d..800300296c74 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -678,6 +678,7 @@ static int at24_probe(struct i2c_client *client)
 			return err;
 	}
 
+	nvmem_config.type = NVMEM_TYPE_EEPROM;
 	nvmem_config.name = dev_name(dev);
 	nvmem_config.dev = dev;
 	nvmem_config.read_only = !writable;
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index ed8d38b09925..3a586a7c4b1a 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -348,6 +348,7 @@ static int at25_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, at25);
 	at25->addrlen = addrlen;
 
+	at25->nvmem_config.type = NVMEM_TYPE_EEPROM;
 	at25->nvmem_config.name = dev_name(&spi->dev);
 	at25->nvmem_config.dev = &spi->dev;
 	at25->nvmem_config.read_only = chip.flags & EE_READONLY;
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index 94cfb675fe4e..7c45f82b4302 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -455,6 +455,7 @@ static int eeprom_93xx46_probe(struct spi_device *spi)
 	edev->pdata = pd;
 
 	edev->size = 128;
+	edev->nvmem_config.type = NVMEM_TYPE_EEPROM;
 	edev->nvmem_config.name = dev_name(&spi->dev);
 	edev->nvmem_config.dev = &spi->dev;
 	edev->nvmem_config.read_only = pd->flags & EE_READONLY;
-- 
2.17.1