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| author | Pierre Ossman <drzeus@drzeus.cx> | 2007-06-17 11:42:21 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 20:54:15 +0200 |
| commit | bcfe66e21ef78a078bb0de0bab532701996695d3 (patch) | |
| tree | b1c130e567a8d41a6d81022f0d29bfbe92ac0065 /drivers/mmc | |
| parent | sdio: add modalias support (diff) | |
| download | linux-bcfe66e21ef78a078bb0de0bab532701996695d3.tar.xz linux-bcfe66e21ef78a078bb0de0bab532701996695d3.zip | |
sdio: add basic sysfs attributes
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/sdio_bus.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index c834f5150888..129f0719c391 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -23,6 +23,37 @@ #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev) #define to_sdio_driver(d) container_of(d, struct sdio_driver, drv) +/* show configuration fields */ +#define sdio_config_attr(field, format_string) \ +static ssize_t \ +field##_show(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct sdio_func *func; \ + \ + func = dev_to_sdio_func (dev); \ + return sprintf (buf, format_string, func->field); \ +} + +sdio_config_attr(class, "0x%02x\n"); +sdio_config_attr(vendor, "0x%04x\n"); +sdio_config_attr(device, "0x%04x\n"); + +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sdio_func *func = dev_to_sdio_func (dev); + + return sprintf(buf, "sdio:c%02Xv%04Xd%04X\n", + func->class, func->vendor, func->device); +} + +struct device_attribute sdio_dev_attrs[] = { + __ATTR_RO(class), + __ATTR_RO(vendor), + __ATTR_RO(device), + __ATTR_RO(modalias), + __ATTR_NULL, +}; + static const struct sdio_device_id *sdio_match_one(struct sdio_func *func, const struct sdio_device_id *id) { @@ -117,6 +148,7 @@ static int sdio_bus_remove(struct device *dev) static struct bus_type sdio_bus_type = { .name = "sdio", + .dev_attrs = sdio_dev_attrs, .match = sdio_bus_match, .uevent = sdio_bus_uevent, .probe = sdio_bus_probe, |