Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (50 commits)
  [libata] Delete pata_it8172 driver
  [PATCH] libata: improve handling of diagostic fail (and hardware that misreports it)
  [PATCH] libata: fix non-uniform ports handling
  Fix libata resource conflict for legacy mode
  [libata] ata_piix: build fix
  [PATCH] pata_amd: Check enable bits on Nvidia
  [PATCH] Update SiS PATA
  [libata] Add pata_jmicron driver to Kconfig, Makefile
  [libata #pata-drivers] Trim trailing whitespace.
  [libata] Trim trailing whitespace.
  [libata] Add a bunch of PATA drivers.
  Rename libata-bmdma.c to libata-sff.c.
  libata: Grand renaming.
  Clean up drivers/ata/Kconfig a bit.
  [PATCH] CONFIG_PM=n slim: drivers/scsi/sata_sil*
  [PATCH] sata_via: Add SATA support for vt8237a
  [PATCH] libata: change path to libata in libata.tmpl
  [PATCH] libata: s/CONFIG_SCSI_SATA/CONFIG_[S]ATA/g in pci/quirks.c
  libata: Make sure drivers/ata is a separate Kconfig menu
  [libata] ata_piix: add missing kfree()
  ...

1 files changed, 23 insertions, 3 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 3671af869696d..d89441907024e 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -40,6 +40,8 @@ enum {
 	ATA_MAX_DEVICES		= 2,	/* per bus/port */
 	ATA_MAX_PRD		= 256,	/* we could make these 256/256 */
 	ATA_SECT_SIZE		= 512,
+	ATA_MAX_SECTORS		= 256,
+	ATA_MAX_SECTORS_LBA48	= 65535,/* TODO: 65536? */
 
 	ATA_ID_WORDS		= 256,
 	ATA_ID_SERNO_OFS	= 10,
@@ -168,12 +170,16 @@ enum {
 	XFER_UDMA_2		= 0x42,
 	XFER_UDMA_1		= 0x41,
 	XFER_UDMA_0		= 0x40,
+	XFER_MW_DMA_4		= 0x24,	/* CFA only */
+	XFER_MW_DMA_3		= 0x23,	/* CFA only */
 	XFER_MW_DMA_2		= 0x22,
 	XFER_MW_DMA_1		= 0x21,
 	XFER_MW_DMA_0		= 0x20,
 	XFER_SW_DMA_2		= 0x12,
 	XFER_SW_DMA_1		= 0x11,
 	XFER_SW_DMA_0		= 0x10,
+	XFER_PIO_6		= 0x0E,	/* CFA only */
+	XFER_PIO_5		= 0x0D,	/* CFA only */
 	XFER_PIO_4		= 0x0C,
 	XFER_PIO_3		= 0x0B,
 	XFER_PIO_2		= 0x0A,
@@ -272,7 +278,6 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(id)	(((id)[0] & (1 << 15)) == 0)
-#define ata_id_is_cfa(id)	((id)[0] == 0x848A)
 #define ata_id_is_sata(id)	((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
@@ -304,6 +309,9 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 {
 	unsigned int mver;
 
+	if (id[ATA_ID_MAJOR_VER] == 0xFFFF)
+		return 0;
+
 	for (mver = 14; mver >= 1; mver--)
 		if (id[ATA_ID_MAJOR_VER] & (1 << mver))
 			break;
@@ -312,8 +320,8 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
-	/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command 
-	   has not been issued to the device then the values of 
+	/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
+	   has not been issued to the device then the values of
 	   id[54] to id[56] are vendor specific. */
 	return (id[53] & 0x01) && /* Current translation valid */
 		id[54] &&  /* cylinders in current translation */
@@ -322,6 +330,18 @@ static inline int ata_id_current_chs_valid(const u16 *id)
 		id[56];    /* sectors in current translation */
 }
 
+static inline int ata_id_is_cfa(const u16 *id)
+{
+	u16 v = id[0];
+	if (v == 0x848A)	/* Standard CF */
+		return 1;
+	/* Could be CF hiding as standard ATA */
+	if (ata_id_major_version(id) >= 3 &&  id[82] != 0xFFFF &&
+			(id[82] & ( 1 << 2)))
+		return 1;
+	return 0;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
 	u16 tmp = dev_id[0] & 0x3;