[PATCH] driver core: replace "hotplug" by "uevent"

[linux-2.6-block.git] / drivers / mmc / mmc_sysfs.c

diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c
index ad8949810fc5cbeb79de505265ed57fb1aeba6b9..ec701667abfc120cf3bcb15c9c8381513e29e3b4 100644 (file)
--- a/drivers/mmc/mmc_sysfs.c
+++ b/drivers/mmc/mmc_sysfs.c
@@ -34,6 +34,7 @@ MMC_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
        card->raw_cid[2], card->raw_cid[3]);
 MMC_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
        card->raw_csd[2], card->raw_csd[3]);
+MMC_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
 MMC_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
 MMC_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
 MMC_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
@@ -57,6 +58,8 @@ static struct device_attribute mmc_dev_attrs[] = {
        __ATTR_NULL
 };
 
+static struct device_attribute mmc_dev_attr_scr = MMC_ATTR_RO(scr);
+
 
 static void mmc_release_card(struct device *dev)
 {
@@ -77,7 +80,7 @@ static int mmc_bus_match(struct device *dev, struct device_driver *drv)
 }
 
 static int
-mmc_bus_hotplug(struct device *dev, char **envp, int num_envp, char *buf,
+mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
                int buf_size)
 {
        struct mmc_card *card = dev_to_mmc_card(dev);
@@ -137,7 +140,7 @@ static struct bus_type mmc_bus_type = {
        .name           = "mmc",
        .dev_attrs      = mmc_dev_attrs,
        .match          = mmc_bus_match,
-       .hotplug        = mmc_bus_hotplug,
+       .uevent         = mmc_bus_uevent,
        .suspend        = mmc_bus_suspend,
        .resume         = mmc_bus_resume,
 };
@@ -207,10 +210,20 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host)
  */
 int mmc_register_card(struct mmc_card *card)
 {
+       int ret;
+
        snprintf(card->dev.bus_id, sizeof(card->dev.bus_id),
                 "%s:%04x", mmc_hostname(card->host), card->rca);
 
-       return device_add(&card->dev);
+       ret = device_add(&card->dev);
+       if (ret == 0) {
+               if (mmc_card_sd(card)) {
+                       ret = device_create_file(&card->dev, &mmc_dev_attr_scr);
+                       if (ret)
+                               device_del(&card->dev);
+               }
+       }
+       return ret;
 }
 
 /*
@@ -219,8 +232,12 @@ int mmc_register_card(struct mmc_card *card)
  */
 void mmc_remove_card(struct mmc_card *card)
 {
-       if (mmc_card_present(card))
+       if (mmc_card_present(card)) {
+               if (mmc_card_sd(card))
+                       device_remove_file(&card->dev, &mmc_dev_attr_scr);
+
                device_del(&card->dev);
+       }
 
        put_device(&card->dev);
 }