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tty: vcc: use DEVICE_ATTR_*() macro
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>
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3b2cd60689
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@ -473,9 +473,9 @@ static struct vio_version vcc_versions[] = {
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static struct tty_port_operations vcc_port_ops = { 0 };
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static ssize_t vcc_sysfs_domain_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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static ssize_t domain_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct vcc_port *port;
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int rv;
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@ -505,9 +505,9 @@ static int vcc_send_ctl(struct vcc_port *port, int ctl)
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return rv;
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}
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static ssize_t vcc_sysfs_break_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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static ssize_t break_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct vcc_port *port;
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unsigned long flags;
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@ -530,8 +530,8 @@ static ssize_t vcc_sysfs_break_store(struct device *dev,
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return rv;
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}
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static DEVICE_ATTR(domain, 0400, vcc_sysfs_domain_show, NULL);
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static DEVICE_ATTR(break, 0200, NULL, vcc_sysfs_break_store);
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static DEVICE_ATTR_ADMIN_RO(domain);
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static DEVICE_ATTR_WO(break);
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static struct attribute *vcc_sysfs_entries[] = {
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&dev_attr_domain.attr,
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