diff options
| author | Bastian Blank | 2005-10-30 15:00:12 -0800 |
|---|---|---|
| committer | Linus Torvalds | 2005-10-30 17:37:16 -0800 |
| commit | f1fc78a8c7f3a784b9fd1e07cc1438a0ea569555 (patch) | |
| tree | 316c05b4531b8961c59338088642b02e3cccfbd7 | |
| parent | 1e8e338325fa0f2bd5c1c800086e900cf188d2cd (diff) | |
[PATCH] s390, ccw - export modalias
This patch exports modalias for ccw devices.
So you can do:
modprobe `echo /sys/device/path_to_device/modalias`
and the proper driver will automatically be loaded by userspace.
Signed-off-by: Bastian Blank <waldi@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/s390/cio/device.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 9adc11e8b8bc..1c2659766c09 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -252,6 +252,23 @@ cutype_show (struct device *dev, struct device_attribute *attr, char *buf) } static ssize_t +modalias_show (struct device *dev, struct device_attribute *attr, char *buf) +{ + struct ccw_device *cdev = to_ccwdev(dev); + struct ccw_device_id *id = &(cdev->id); + int ret; + + ret = sprintf(buf, "ccw:t%04Xm%02x", + id->cu_type, id->cu_model); + if (id->dev_type != 0) + ret += sprintf(buf + ret, "dt%04Xdm%02X\n", + id->dev_type, id->dev_model); + else + ret += sprintf(buf + ret, "dtdm\n"); + return ret; +} + +static ssize_t online_show (struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); @@ -448,6 +465,7 @@ static DEVICE_ATTR(chpids, 0444, chpids_show, NULL); static DEVICE_ATTR(pimpampom, 0444, pimpampom_show, NULL); static DEVICE_ATTR(devtype, 0444, devtype_show, NULL); static DEVICE_ATTR(cutype, 0444, cutype_show, NULL); +static DEVICE_ATTR(modalias, 0444, modalias_show, NULL); static DEVICE_ATTR(online, 0644, online_show, online_store); extern struct device_attribute dev_attr_cmb_enable; static DEVICE_ATTR(availability, 0444, available_show, NULL); @@ -471,6 +489,7 @@ subchannel_add_files (struct device *dev) static struct attribute * ccwdev_attrs[] = { &dev_attr_devtype.attr, &dev_attr_cutype.attr, + &dev_attr_modalias.attr, &dev_attr_online.attr, &dev_attr_cmb_enable.attr, &dev_attr_availability.attr, |