From: Hauke Mehrtens Date: Sun, 28 Nov 2010 11:22:52 +0000 (+0100) Subject: ssb: Add sysfs attributes to ssb devices X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aa3bf280dd3214db5b9e1f8cad7c5868ccbe71b7;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index c68b3dc19e1..3918d2cc585 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -383,6 +383,35 @@ static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env) ssb_dev->id.revision); } +#define ssb_config_attr(attrib, field, format_string) \ +static ssize_t \ +attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \ +} + +ssb_config_attr(core_num, core_index, "%u\n") +ssb_config_attr(coreid, id.coreid, "0x%04x\n") +ssb_config_attr(vendor, id.vendor, "0x%04x\n") +ssb_config_attr(revision, id.revision, "%u\n") +ssb_config_attr(irq, irq, "%u\n") +static ssize_t +name_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%s\n", + ssb_core_name(dev_to_ssb_dev(dev)->id.coreid)); +} + +static struct device_attribute ssb_device_attrs[] = { + __ATTR_RO(name), + __ATTR_RO(core_num), + __ATTR_RO(coreid), + __ATTR_RO(vendor), + __ATTR_RO(revision), + __ATTR_RO(irq), + __ATTR_NULL, +}; + static struct bus_type ssb_bustype = { .name = "ssb", .match = ssb_bus_match, @@ -392,6 +421,7 @@ static struct bus_type ssb_bustype = { .suspend = ssb_device_suspend, .resume = ssb_device_resume, .uevent = ssb_device_uevent, + .dev_attrs = ssb_device_attrs, }; static void ssb_buses_lock(void)