mmc: add type field to cards

Split out the type of card into its own field as it hardly
qualifies as a state.

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

drivers/mmc/mmc.c

@@ -980,7 +980,7 @@ static void mmc_discover_cards(struct mmc_host *host)
 		card->state &= ~MMC_STATE_DEAD;
 
 		if (host->mode == MMC_MODE_SD) {
-			mmc_card_set_sd(card);
+			card->type = MMC_TYPE_SD;
 
 			cmd.opcode = SD_SEND_RELATIVE_ADDR;
 			cmd.arg = 0;
@@ -1003,6 +1003,7 @@ static void mmc_discover_cards(struct mmc_host *host)
 				}
 			}
 		} else {
+			card->type = MMC_TYPE_MMC;
 			cmd.opcode = MMC_SET_RELATIVE_ADDR;
 			cmd.arg = card->rca << 16;
 			cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;

include/linux/mmc/card.h

@@ -65,14 +65,16 @@ struct mmc_card {
 	struct mmc_host		*host;		/* the host this device belongs to */
 	struct device		dev;		/* the device */
 	unsigned int		rca;		/* relative card address of device */
+	unsigned int		type;		/* card type */
+#define MMC_TYPE_MMC		0		/* MMC card */
+#define MMC_TYPE_SD		1		/* SD card */
 	unsigned int		state;		/* (our) card state */
 #define MMC_STATE_PRESENT	(1<<0)		/* present in sysfs */
 #define MMC_STATE_DEAD		(1<<1)		/* device no longer in stack */
 #define MMC_STATE_BAD		(1<<2)		/* unrecognised device */
-#define MMC_STATE_SDCARD	(1<<3)		/* is an SD card */
-#define MMC_STATE_READONLY	(1<<4)		/* card is read-only */
-#define MMC_STATE_HIGHSPEED	(1<<5)		/* card is in high speed mode */
-#define MMC_STATE_BLOCKADDR	(1<<6)		/* card uses block-addressing */
+#define MMC_STATE_READONLY	(1<<3)		/* card is read-only */
+#define MMC_STATE_HIGHSPEED	(1<<4)		/* card is in high speed mode */
+#define MMC_STATE_BLOCKADDR	(1<<5)		/* card uses block-addressing */
 	u32			raw_cid[4];	/* raw card CID */
 	u32			raw_csd[4];	/* raw card CSD */
 	u32			raw_scr[2];	/* raw card SCR */
@@ -83,10 +85,12 @@ struct mmc_card {
 	struct sd_switch_caps	sw_caps;	/* switch (CMD6) caps */
 };
 
+#define mmc_card_mmc(c)		((c)->type == MMC_TYPE_MMC)
+#define mmc_card_sd(c)		((c)->type == MMC_TYPE_SD)
+
 #define mmc_card_present(c)	((c)->state & MMC_STATE_PRESENT)
 #define mmc_card_dead(c)	((c)->state & MMC_STATE_DEAD)
 #define mmc_card_bad(c)		((c)->state & MMC_STATE_BAD)
-#define mmc_card_sd(c)		((c)->state & MMC_STATE_SDCARD)
 #define mmc_card_readonly(c)	((c)->state & MMC_STATE_READONLY)
 #define mmc_card_highspeed(c)	((c)->state & MMC_STATE_HIGHSPEED)
 #define mmc_card_blockaddr(c)	((c)->state & MMC_STATE_BLOCKADDR)
@@ -94,7 +98,6 @@ struct mmc_card {
 #define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)
 #define mmc_card_set_dead(c)	((c)->state |= MMC_STATE_DEAD)
 #define mmc_card_set_bad(c)	((c)->state |= MMC_STATE_BAD)
-#define mmc_card_set_sd(c)	((c)->state |= MMC_STATE_SDCARD)
 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)