commit 4101c16a910b15afd190c6bc7d45864461cf5c25
author Pierre Ossman <drzeus@drzeus.cx> Sat May 19 13:39:01 2007 +0200
committer Pierre Ossman <drzeus@drzeus.cx> Mon Jul 09 21:27:56 2007 +0200
tree 76d88e3bfd6723fc86c13c635b3c2b73c73c6978
parent 7de064ebc67d9baf6c933d3a7046feb9b4eced05

mmc: refactor bus operations

Move bus operations to its own file for the sake of clarity. Also
delegate sysfs attributes to bus handlers in preparation for other
more exotic types.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

drivers/mmc/core/mmc.c

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 42cc286..e437155 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[] = {
@@ -413,8 +414,7 @@
 	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 @@
 	}
 }
 
+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
 
 /*
@@ -455,9 +502,7 @@
 
 	err = mmc_sd_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 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,
 };
@@ -518,7 +565,7 @@
 
 	mmc_release_host(host);
 
-	err = mmc_register_card(host->card);
+	err = mmc_add_card(host->card);
 	if (err)
 		goto reclaim_host;