target/linux/brcm47xx/patches-2.6.37/950-sbb-sysfs-files.patch

   1 From 3cfa0a9d4b4cc30ec735c5c9535ff493bae24d08 Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Sat, 27 Nov 2010 18:14:23 +0100
   4 Subject: [PATCH] ssb: Add sysfs attributes to ssb devices
   5
   6 Make it possible to read out the attributes, till now only show on
   7 dmesg, through sysfs.
   8
   9 This patch was some time in OpenWrt.
  10
  11 Signed-off-by: Bernhard Loos <bernhardloos@googlemail.com>
  12 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  13 ---
  14  drivers/ssb/main.c |   30 ++++++++++++++++++++++++++++++
  15  1 files changed, 30 insertions(+), 0 deletions(-)
  16
  17 --- a/drivers/ssb/main.c
  18 +++ b/drivers/ssb/main.c
  19 @@ -383,6 +383,35 @@ static int ssb_device_uevent(struct devi
  20                              ssb_dev->id.revision);
  21  }
  22
  23 +#define ssb_config_attr(attrib, field, format_string) \
  24 +static ssize_t \
  25 +attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
  26 +{ \
  27 +       return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
  28 +}
  29 +
  30 +ssb_config_attr(core_num, core_index, "%u\n")
  31 +ssb_config_attr(coreid, id.coreid, "0x%04x\n")
  32 +ssb_config_attr(vendor, id.vendor, "0x%04x\n")
  33 +ssb_config_attr(revision, id.revision, "%u\n")
  34 +ssb_config_attr(irq, irq, "%u\n")
  35 +static ssize_t
  36 +name_show(struct device *dev, struct device_attribute *attr, char *buf)
  37 +{
  38 +       return sprintf(buf, "%s\n",
  39 +                      ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
  40 +}
  41 +
  42 +static struct device_attribute ssb_device_attrs[] = {
  43 +       __ATTR_RO(name),
  44 +       __ATTR_RO(core_num),
  45 +       __ATTR_RO(coreid),
  46 +       __ATTR_RO(vendor),
  47 +       __ATTR_RO(revision),
  48 +       __ATTR_RO(irq),
  49 +       __ATTR_NULL,
  50 +};
  51 +
  52  static struct bus_type ssb_bustype = {
  53         .name           = "ssb",
  54         .match          = ssb_bus_match,
  55 @@ -392,6 +421,7 @@ static struct bus_type ssb_bustype = {
  56         .suspend        = ssb_device_suspend,
  57         .resume         = ssb_device_resume,
  58         .uevent         = ssb_device_uevent,
  59 +       .dev_attrs      = ssb_device_attrs,
  60  };
  61
  62  static void ssb_buses_lock(void)