diff options
Diffstat (limited to 'drivers/mmc/core')
| -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 c834f515088..129f0719c39 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, |