char: ipmi: use DEVICE_ATTR helper macro

Instead of open coding DEVICE_ATTR, use the helper macro
DEVICE_ATTR_RO to replace DEVICE_ATTR with 0444 octal
permissions.

This was detected as a part of checkpatch evaluation
investigating all reports of DEVICE_ATTR_RO warning
type.

Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Message-Id: <20210730062951.84876-1-dwaipayanray1@gmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 46137a4..5bf9271 100644 (file)
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1605,7 +1605,7 @@ static ssize_t name##_show(struct device *dev,                    \
                                                                        \
        return snprintf(buf, 10, "%u\n", smi_get_stat(smi_info, name)); \
 }                                                                      \
-static DEVICE_ATTR(name, 0444, name##_show, NULL)
+static DEVICE_ATTR_RO(name)
 
 static ssize_t type_show(struct device *dev,
                         struct device_attribute *attr,
@@ -1615,7 +1615,7 @@ static ssize_t type_show(struct device *dev,
 
        return snprintf(buf, 10, "%s\n", si_to_str[smi_info->io.si_type]);
 }
-static DEVICE_ATTR(type, 0444, type_show, NULL);
+static DEVICE_ATTR_RO(type);
 
 static ssize_t interrupts_enabled_show(struct device *dev,
                                       struct device_attribute *attr,
@@ -1626,8 +1626,7 @@ static ssize_t interrupts_enabled_show(struct device *dev,
 
        return snprintf(buf, 10, "%d\n", enabled);
 }
-static DEVICE_ATTR(interrupts_enabled, 0444,
-                  interrupts_enabled_show, NULL);
+static DEVICE_ATTR_RO(interrupts_enabled);
 
 IPMI_SI_ATTR(short_timeouts);
 IPMI_SI_ATTR(long_timeouts);
@@ -1658,7 +1657,7 @@ static ssize_t params_show(struct device *dev,
                        smi_info->io.irq,
                        smi_info->io.slave_addr);
 }
-static DEVICE_ATTR(params, 0444, params_show, NULL);
+static DEVICE_ATTR_RO(params);
 
 static struct attribute *ipmi_si_dev_attrs[] = {
        &dev_attr_type.attr,