eMMC: Add Product revision, Sector count and driver init log

Change-Id: I89b544afbb0a109a222621a9948399fba8f77693
Change-Id: Ie366a152100a478e7811b4395f3fae9794bb1386
Reviewed-on: http://mcrd1-5.corpnet.asus/code-review/master/45221
Reviewed-by: Ban Feng <Ban_Feng@asus.com>
Tested-by: Ban Feng <Ban_Feng@asus.com>
Reviewed-by: Sam hblee <Sam_hblee@asus.com>

Conflicts:
	drivers/mmc/core/mmc.c
	include/linux/mmc/card.h

asdf

4 files changed, 38 insertions, 6 deletions

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f7528db8fd06..4b9d1873e0e2 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -40,6 +40,7 @@
 #include "mmc_ops.h"
 #include "sd_ops.h"
 #include "sdio_ops.h"
+#include "../debug_mmc.h"
 
 static struct workqueue_struct *workqueue;
 
@@ -1988,8 +1989,10 @@ static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq)
 		return 0;
 	if (!mmc_attach_sd(host))
 		return 0;
-	if (!mmc_attach_mmc(host))
+	if (!mmc_attach_mmc(host)) {
+		MMC_printk("%s: eMMC completed", mmc_hostname(host));
 		return 0;
+	}
 
 	mmc_power_off(host);
 	return -EIO;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 0e83a400f71d..7af569522624 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -23,6 +23,8 @@
 #include "mmc_ops.h"
 #include "sd_ops.h"
 
+#include "../debug_mmc.h"
+
 static const unsigned int tran_exp[] = {
 	10000,		100000,		1000000,	10000000,
 	0,		0,		0,		0
@@ -96,7 +98,7 @@ static int mmc_decode_cid(struct mmc_card *card)
 		card->cid.prod_name[3]	= UNSTUFF_BITS(resp, 72, 8);
 		card->cid.prod_name[4]	= UNSTUFF_BITS(resp, 64, 8);
 		card->cid.prod_name[5]	= UNSTUFF_BITS(resp, 56, 8);
-		card->cid.prod_rev	= UNSTUFF_BITS(resp, 48, 8);
+		card->cid.prv		= UNSTUFF_BITS(resp, 48, 8);
 		card->cid.serial	= UNSTUFF_BITS(resp, 16, 32);
 		card->cid.month		= UNSTUFF_BITS(resp, 12, 4);
 		card->cid.year		= UNSTUFF_BITS(resp, 8, 4) + 1997;
@@ -108,6 +110,8 @@ static int mmc_decode_cid(struct mmc_card *card)
 		return -EINVAL;
 	}
 
+	MMC_printk("cid.prv 0x%x", card->cid.prv);
+
 	return 0;
 }
 
@@ -277,6 +281,8 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 			ext_csd[EXT_CSD_SEC_CNT + 1] << 8 |
 			ext_csd[EXT_CSD_SEC_CNT + 2] << 16 |
 			ext_csd[EXT_CSD_SEC_CNT + 3] << 24;
+		MMC_printk("ext_csd.sectors 0x%x prod_name %s BOOT_MULTI 0x%x", card->ext_csd.sectors, card->cid.prod_name, ext_csd[EXT_CSD_BOOT_MULT]);
+		card->ext_csd.sec_count = card->ext_csd.sectors;
 
 		/* Cards with density > 2GiB are sector addressed */
 		if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512)
@@ -427,8 +433,8 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 			card->ext_csd.bk_ops = 1;
 
 		/* Check whether the eMMC card needs proactive refresh */
-		if ((card->cid.manfid == 0x90) && ((card->cid.prod_rev == 0x73)
-			|| (card->cid.prod_rev == 0x7b)))
+		if ((card->cid.manfid == 0x90) && ((card->cid.prv == 0x73)
+			|| (card->cid.prv == 0x7b)))
 			card->ext_csd.refresh = 1;
 	}
 
@@ -521,11 +527,12 @@ MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
-MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prod_rev);
+MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv);
 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
 MMC_DEV_ATTR(enhanced_area_offset, "%llu\n",
 		card->ext_csd.enhanced_area_offset);
 MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
+MMC_DEV_ATTR(sec_count, "0x%x\n", card->ext_csd.sec_count);
 
 static struct attribute *mmc_std_attrs[] = {
 	&dev_attr_cid.attr,
@@ -542,6 +549,7 @@ static struct attribute *mmc_std_attrs[] = {
 	&dev_attr_serial.attr,
 	&dev_attr_enhanced_area_offset.attr,
 	&dev_attr_enhanced_area_size.attr,
+	&dev_attr_sec_count.attr,
 	NULL,
 };
 
diff --git a/drivers/mmc/debug_mmc.h b/drivers/mmc/debug_mmc.h
new file mode 100644
index 000000000000..592c919aa371
--- /dev/null
+++ b/drivers/mmc/debug_mmc.h
@@ -0,0 +1,17 @@
+#define MMC_DEBUG 1
+#if MMC_DEBUG
+#define MMC_DBG(fmt,args...) \
+	do { printk(KERN_DEBUG "[mmc_debug]:%s:%d "fmt"\n", __func__, __LINE__, ##args); } \
+	while (0)
+#else
+#define MMC_DBG(x...) do {} while (0)
+#endif
+
+
+#if 1
+#define MMC_printk(fmt,args...) \
+	do { printk(KERN_INFO "[mmc]:%s:%d "fmt"\n", __func__, __LINE__, ##args); } \
+	while (0)
+#else
+#define MMC_prink(x...) do {} while (0)
+#endif
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 1c8efb8632e9..07109f8f4ba7 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -1250,7 +1250,11 @@ static struct platform_driver sdhci_tegra_driver = {
 
 static int __init sdhci_tegra_init(void)
 {
-	return platform_driver_register(&sdhci_tegra_driver);
+	int ret = 0;
+	printk(KERN_INFO "%s+ #####\n", __func__);
+	ret = platform_driver_register(&sdhci_tegra_driver);
+	printk(KERN_INFO "%s- #####\n", __func__);
+	return ret;
 }
 module_init(sdhci_tegra_init);