2021-06-03 10:07:21

by Zhen Lei

[permalink] [raw]
Subject: [PATCH 1/1] can: at91_can: use DEVICE_ATTR_RW() helper macro

Use DEVICE_ATTR_RW() helper macro instead of plain DEVICE_ATTR(), which
makes the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <[email protected]>
---
drivers/net/can/at91_can.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 04d0bb3ffe89661..ca736b26e218ca4 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1176,8 +1176,8 @@ static const struct net_device_ops at91_netdev_ops = {
.ndo_change_mtu = can_change_mtu,
};

-static ssize_t at91_sysfs_show_mb0_id(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t mb0_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct at91_priv *priv = netdev_priv(to_net_dev(dev));

@@ -1187,8 +1187,8 @@ static ssize_t at91_sysfs_show_mb0_id(struct device *dev,
return snprintf(buf, PAGE_SIZE, "0x%03x\n", priv->mb0_id);
}

-static ssize_t at91_sysfs_set_mb0_id(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t mb0_id_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
{
struct net_device *ndev = to_net_dev(dev);
struct at91_priv *priv = netdev_priv(ndev);
@@ -1222,7 +1222,7 @@ static ssize_t at91_sysfs_set_mb0_id(struct device *dev,
return ret;
}

-static DEVICE_ATTR(mb0_id, 0644, at91_sysfs_show_mb0_id, at91_sysfs_set_mb0_id);
+static DEVICE_ATTR_RW(mb0_id);

static struct attribute *at91_sysfs_attrs[] = {
&dev_attr_mb0_id.attr,
--
2.26.0.106.g9fadedd



2021-06-16 10:38:29

by Marc Kleine-Budde

[permalink] [raw]
Subject: Re: [PATCH 1/1] can: at91_can: use DEVICE_ATTR_RW() helper macro

On 03.06.2021 18:02:33, Zhen Lei wrote:
> Use DEVICE_ATTR_RW() helper macro instead of plain DEVICE_ATTR(), which
> makes the code a bit shorter and easier to read.

Applied all 3 (at91, esd_usb2 and janz-ican3) to linux-can-next/testing.

regards,
Marc

--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |


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