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authorPierre Ossman <drzeus@drzeus.cx>2007-06-17 11:42:21 +0200
committerPierre Ossman <drzeus@drzeus.cx>2007-09-23 20:54:15 +0200
commitbcfe66e21ef78a078bb0de0bab532701996695d3 (patch)
treeb1c130e567a8d41a6d81022f0d29bfbe92ac0065 /drivers/mmc/core/sdio_bus.c
parentd59b66c7a575cfa8e01f483875d131e42b539bbc (diff)
downloadlinux-stericsson-bcfe66e21ef78a078bb0de0bab532701996695d3.tar.gz
sdio: add basic sysfs attributes
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc/core/sdio_bus.c')
-rw-r--r--drivers/mmc/core/sdio_bus.c32
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,