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path: root/drivers/mmc/core/mmc.c
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Diffstat (limited to 'drivers/mmc/core/mmc.c')
-rw-r--r--drivers/mmc/core/mmc.c65
1 files changed, 56 insertions, 9 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 42cc2867ed7..66f85bfa8db 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -18,6 +18,7 @@
#include "core.h"
#include "sysfs.h"
+#include "bus.h"
#include "mmc_ops.h"
static const unsigned int tran_exp[] = {
@@ -236,7 +237,7 @@ out:
* In the case of a resume, "curcard" will contain the card
* we're trying to reinitialise.
*/
-static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
+static int mmc_init_card(struct mmc_host *host, u32 ocr,
struct mmc_card *oldcard)
{
struct mmc_card *card;
@@ -413,8 +414,7 @@ static void mmc_detect(struct mmc_host *host)
mmc_release_host(host);
if (err != MMC_ERR_NONE) {
- mmc_remove_card(host->card);
- host->card = NULL;
+ mmc_remove(host);
mmc_claim_host(host);
mmc_detach_bus(host);
@@ -422,6 +422,53 @@ static void mmc_detect(struct mmc_host *host)
}
}
+MMC_ATTR_FN(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
+ card->raw_cid[2], card->raw_cid[3]);
+MMC_ATTR_FN(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
+ card->raw_csd[2], card->raw_csd[3]);
+MMC_ATTR_FN(date, "%02d/%04d\n", card->cid.month, card->cid.year);
+MMC_ATTR_FN(fwrev, "0x%x\n", card->cid.fwrev);
+MMC_ATTR_FN(hwrev, "0x%x\n", card->cid.hwrev);
+MMC_ATTR_FN(manfid, "0x%06x\n", card->cid.manfid);
+MMC_ATTR_FN(name, "%s\n", card->cid.prod_name);
+MMC_ATTR_FN(oemid, "0x%04x\n", card->cid.oemid);
+MMC_ATTR_FN(serial, "0x%08x\n", card->cid.serial);
+
+static struct device_attribute mmc_dev_attrs[] = {
+ MMC_ATTR_RO(cid),
+ MMC_ATTR_RO(csd),
+ MMC_ATTR_RO(date),
+ MMC_ATTR_RO(fwrev),
+ MMC_ATTR_RO(hwrev),
+ MMC_ATTR_RO(manfid),
+ MMC_ATTR_RO(name),
+ MMC_ATTR_RO(oemid),
+ MMC_ATTR_RO(serial),
+ __ATTR_NULL,
+};
+
+/*
+ * Adds sysfs entries as relevant.
+ */
+static int mmc_sysfs_add(struct mmc_host *host, struct mmc_card *card)
+{
+ int ret;
+
+ ret = mmc_add_attrs(card, mmc_dev_attrs);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * Removes the sysfs entries added by mmc_sysfs_add().
+ */
+static void mmc_sysfs_remove(struct mmc_host *host, struct mmc_card *card)
+{
+ mmc_remove_attrs(card, mmc_dev_attrs);
+}
+
#ifdef CONFIG_MMC_UNSAFE_RESUME
/*
@@ -453,11 +500,9 @@ static void mmc_resume(struct mmc_host *host)
mmc_claim_host(host);
- err = mmc_sd_init_card(host, host->ocr, host->card);
+ err = mmc_init_card(host, host->ocr, host->card);
if (err != MMC_ERR_NONE) {
- mmc_remove_card(host->card);
- host->card = NULL;
-
+ mmc_remove(host);
mmc_detach_bus(host);
}
@@ -474,6 +519,8 @@ static void mmc_resume(struct mmc_host *host)
static const struct mmc_bus_ops mmc_ops = {
.remove = mmc_remove,
.detect = mmc_detect,
+ .sysfs_add = mmc_sysfs_add,
+ .sysfs_remove = mmc_sysfs_remove,
.suspend = mmc_suspend,
.resume = mmc_resume,
};
@@ -512,13 +559,13 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr)
/*
* Detect and init the card.
*/
- err = mmc_sd_init_card(host, host->ocr, NULL);
+ err = mmc_init_card(host, host->ocr, NULL);
if (err != MMC_ERR_NONE)
goto err;
mmc_release_host(host);
- err = mmc_register_card(host->card);
+ err = mmc_add_card(host->card);
if (err)
goto reclaim_host;