ssb: Add sysfs attributes to ssb devices
Make it possible to read out the attributes, till now only show on dmesg, through sysfs. This patch was some time in OpenWrt. Signed-off-by: Bernhard Loos <bernhardloos@googlemail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -383,6 +383,35 @@ static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
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ssb_dev->id.revision);
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ssb_dev->id.revision);
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}
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}
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#define ssb_config_attr(attrib, field, format_string) \
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static ssize_t \
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attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
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}
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ssb_config_attr(core_num, core_index, "%u\n")
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ssb_config_attr(coreid, id.coreid, "0x%04x\n")
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ssb_config_attr(vendor, id.vendor, "0x%04x\n")
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ssb_config_attr(revision, id.revision, "%u\n")
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ssb_config_attr(irq, irq, "%u\n")
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static ssize_t
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name_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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return sprintf(buf, "%s\n",
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ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
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}
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static struct device_attribute ssb_device_attrs[] = {
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__ATTR_RO(name),
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__ATTR_RO(core_num),
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__ATTR_RO(coreid),
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__ATTR_RO(vendor),
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__ATTR_RO(revision),
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__ATTR_RO(irq),
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__ATTR_NULL,
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};
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static struct bus_type ssb_bustype = {
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static struct bus_type ssb_bustype = {
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.name = "ssb",
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.name = "ssb",
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.match = ssb_bus_match,
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.match = ssb_bus_match,
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@ -392,6 +421,7 @@ static struct bus_type ssb_bustype = {
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.suspend = ssb_device_suspend,
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.suspend = ssb_device_suspend,
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.resume = ssb_device_resume,
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.resume = ssb_device_resume,
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.uevent = ssb_device_uevent,
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.uevent = ssb_device_uevent,
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.dev_attrs = ssb_device_attrs,
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};
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};
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static void ssb_buses_lock(void)
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static void ssb_buses_lock(void)
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