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tty: vcc: use DEVICE_ATTR_*() macro

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

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210602014839.10587-1-thunder.leizhen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhen Lei 2021-06-02 09:48:39 +08:00 committed by Greg Kroah-Hartman
parent 3b2cd60689
commit 2877389f59
1 changed files with 8 additions and 8 deletions
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16
drivers/tty/vcc.c
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@ -473,9 +473,9 @@ static struct vio_version vcc_versions[] = {
static struct tty_port_operations vcc_port_ops = { 0 }; static struct tty_port_operations vcc_port_ops = { 0 };
static ssize_t vcc_sysfs_domain_show(struct device *dev, static ssize_t domain_show(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
char *buf) char *buf)
{ {
struct vcc_port *port; struct vcc_port *port;
int rv; int rv;
@ -505,9 +505,9 @@ static int vcc_send_ctl(struct vcc_port *port, int ctl)
return rv; return rv;
} }
static ssize_t vcc_sysfs_break_store(struct device *dev, static ssize_t break_store(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
const char *buf, size_t count) const char *buf, size_t count)
{ {
struct vcc_port *port; struct vcc_port *port;
unsigned long flags; unsigned long flags;
@ -530,8 +530,8 @@ static ssize_t vcc_sysfs_break_store(struct device *dev,
return rv; return rv;
} }
static DEVICE_ATTR(domain, 0400, vcc_sysfs_domain_show, NULL); static DEVICE_ATTR_ADMIN_RO(domain);
static DEVICE_ATTR(break, 0200, NULL, vcc_sysfs_break_store); static DEVICE_ATTR_WO(break);
static struct attribute *vcc_sysfs_entries[] = { static struct attribute *vcc_sysfs_entries[] = {
&dev_attr_domain.attr, &dev_attr_domain.attr,