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Commit 1808caff authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge of master.kernel.org:/home/rmk/linux-2.6-mmc.git

parents 3d15e4a3 912490db
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+4 −1
Original line number Diff line number Diff line
@@ -383,7 +383,10 @@ static int mmc_blk_probe(struct mmc_card *card)
	struct mmc_blk_data *md;
	int err;

	if (card->csd.cmdclass & ~0x1ff)
	/*
	 * Check that the card supports the command class(es) we need.
	 */
	if (!(card->csd.cmdclass & CCC_BLOCK_READ))
		return -ENODEV;

	if (card->csd.read_blkbits < 9) {
+27 −0
Original line number Diff line number Diff line
@@ -195,6 +195,33 @@ struct _mmc_csd {
#define MMC_VDD_35_36	0x00800000	/* VDD voltage 3.5 ~ 3.6 */
#define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */

/*
 * Card Command Classes (CCC)
 */
#define CCC_BASIC		(1<<0)	/* (0) Basic protocol functions */
					/* (CMD0,1,2,3,4,7,9,10,12,13,15) */
#define CCC_STREAM_READ		(1<<1)	/* (1) Stream read commands */
					/* (CMD11) */
#define CCC_BLOCK_READ		(1<<2)	/* (2) Block read commands */
					/* (CMD16,17,18) */
#define CCC_STREAM_WRITE	(1<<3)	/* (3) Stream write commands */
					/* (CMD20) */
#define CCC_BLOCK_WRITE		(1<<4)	/* (4) Block write commands */
					/* (CMD16,24,25,26,27) */
#define CCC_ERASE		(1<<5)	/* (5) Ability to erase blocks */
					/* (CMD32,33,34,35,36,37,38,39) */
#define CCC_WRITE_PROT		(1<<6)	/* (6) Able to write protect blocks */
					/* (CMD28,29,30) */
#define CCC_LOCK_CARD		(1<<7)	/* (7) Able to lock down card */
					/* (CMD16,CMD42) */
#define CCC_APP_SPEC		(1<<8)	/* (8) Application specific */
					/* (CMD55,56,57,ACMD*) */
#define CCC_IO_MODE		(1<<9)	/* (9) I/O mode */
					/* (CMD5,39,40,52,53) */
#define CCC_SWITCH		(1<<10)	/* (10) High speed switch */
					/* (CMD6,34,35,36,37,50) */
					/* (11) Reserved */
					/* (CMD?) */

/*
 * CSD field definitions