Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6

drivers/ide/Kconfig

@@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 endchoice
 
-config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
-        bool "Enable burstable Mode on DbDMA"
-        default false
-        depends BLK_DEV_IDE_AU1XXX
-        help
-          This option enable the burstable Flag on DbDMA controller
-          (cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY").
-
 config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
        int "Maximum transfer size (KB) per request (up to 128)"
        default "128"
@@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE
 
 config BLK_DEV_MPC8xx_IDE
 	bool "MPC8xx IDE support"
-	depends on 8xx
+	depends on 8xx && IDE=y && BLK_DEV_IDE=y
 	help
 	  This option provides support for IDE on Motorola MPC8xx Systems.
 	  Please see 'Type of MPC8xx IDE interface' for details.

drivers/ide/ide-cd.c

@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
 	struct cdrom_info *info = drive->driver_data;
 
 	info->dma = 0;
-	info->cmd = 0;
 	info->start_seek = jiffies;
 	return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
 }
@@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
 	    (rq->nr_sectors & (sectors_per_frame - 1)))
 		info->dma = 0;
 
-	info->cmd = READ;
-
 	/* Start sending the read request to the drive. */
 	return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
 }
@@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
 	struct cdrom_info *info = drive->driver_data;
 
 	info->dma = 0;
-	info->cmd = 0;
 	rq->flags &= ~REQ_FAILED;
 	len = rq->data_len;
 
@@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
 	/* use dma, if possible. we don't need to check more, since we
 	 * know that the transfer is always (at least!) frame aligned */
 	info->dma = drive->using_dma ? 1 : 0;
-	info->cmd = WRITE;
 
 	info->devinfo.media_written = 1;
 
@@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 	rq->flags |= REQ_QUIET;
 
 	info->dma = 0;
-	info->cmd = 0;
 
 	/*
 	 * sg request
@@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 		int mask = drive->queue->dma_alignment;
 		unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
 
-		info->cmd = rq_data_dir(rq);
 		info->dma = drive->using_dma;
 
 		/*

drivers/ide/ide-cd.h

@@ -480,7 +480,6 @@ struct cdrom_info {
 
 	struct request request_sense_request;
 	int dma;
-	int cmd;
 	unsigned long last_block;
 	unsigned long start_seek;
 	/* Buffer to hold mechanism status and changer slot table. */

drivers/ide/ide-disk.c

@@ -1034,12 +1034,12 @@ static int ide_disk_remove(struct device *dev)
 	struct ide_disk_obj *idkp = drive->driver_data;
 	struct gendisk *g = idkp->disk;
 
-	ide_cacheflush_p(drive);
-
 	ide_unregister_subdriver(drive, idkp->driver);
 
 	del_gendisk(g);
 
+	ide_cacheflush_p(drive);
+
 	ide_disk_put(idkp);
 
 	return 0;

drivers/ide/ide-dma.c

@@ -90,11 +90,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-struct drive_list_entry {
-	const char *id_model;
-	const char *id_firmware;
-};
-
 static const struct drive_list_entry drive_whitelist [] = {
 
 	{ "Micropolis 2112A"	,       "ALL"		},
@@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = {
 };
 
 /**
- *	in_drive_list	-	look for drive in black/white list
+ *	ide_in_drive_list	-	look for drive in black/white list
  *	@id: drive identifier
  *	@drive_table: list to inspect
  *
@@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = {
  *	Returns 1 if the drive is found in the table.
  */
 
-static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
 {
 	for ( ; drive_table->id_model ; drive_table++)
 		if ((!strcmp(drive_table->id_model, id->model)) &&
@@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d
 	return 0;
 }
 
+EXPORT_SYMBOL_GPL(ide_in_drive_list);
+
 /**
  *	ide_dma_intr	-	IDE DMA interrupt handler
  *	@drive: the drive the interrupt is for
@@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive)
 {
 	struct hd_driveid *id = drive->id;
 
-	int blacklist = in_drive_list(id, drive_blacklist);
+	int blacklist = ide_in_drive_list(id, drive_blacklist);
 	if (blacklist) {
 		printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
 				    drive->name, id->model);
@@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive);
 int __ide_dma_good_drive (ide_drive_t *drive)
 {
 	struct hd_driveid *id = drive->id;
-	return in_drive_list(id, drive_whitelist);
+	return ide_in_drive_list(id, drive_whitelist);
 }
 
 EXPORT_SYMBOL(__ide_dma_good_drive);

drivers/ide/mips/Makefile

@@ -1 +1,4 @@
 obj-$(CONFIG_BLK_DEV_IDE_SWARM)		+= swarm.o
+obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
+
+EXTRA_CFLAGS    := -Idrivers/ide

drivers/ide/pci/sgiioc4.c

@@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 	ide_hwif_t *hwif;
 	int h;
 
+	/*
+	 * Find an empty HWIF; if none available, return -ENOMEM.
+	 */
 	for (h = 0; h < MAX_HWIFS; ++h) {
 		hwif = &ide_hwifs[h];
-		/* Find an empty HWIF */
 		if (hwif->chipset == ide_unknown)
 			break;
 	}
+	if (h == MAX_HWIFS) {
+		printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name);
+		return -ENOMEM;
+	}
 
 	/*  Get the CmdBlk and CtrlBlk Base Registers */
 	base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;

drivers/ide/pci/via82cxxx.c

@@ -80,6 +80,7 @@ static struct via_isa_bridge {
 	u16 flags;
 } via_isa_bridges[] = {
 	{ "vt6410",	PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+	{ "vt8251",	PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },

include/asm-mips/mach-au1x00/au1xxx_ide.h

@@ -74,9 +74,6 @@ typedef struct
         u8                      white_list, black_list;
         struct dbdma_cmd        *dma_table_cpu;
         dma_addr_t              dma_table_dma;
-        struct scatterlist      *sg_table;
-        int                     sg_nents;
-        int                     sg_dma_direction;
 #endif
         struct device           *dev;
 	int			irq;
@@ -87,11 +84,6 @@ typedef struct
 } _auide_hwif;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-struct drive_list_entry {
-        const char * id_model;
-        const char * id_firmware;
-};
-
 /* HD white list */
 static const struct drive_list_entry dma_white_list [] = {
 /*
@@ -167,13 +159,9 @@ int __init auide_probe(void);
  * Multi-Word DMA + DbDMA functions
  */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-
-        static int in_drive_list(struct hd_driveid *id,
-                                 const struct drive_list_entry *drive_table);
         static int auide_build_sglist(ide_drive_t *drive,  struct request *rq);
         static int auide_build_dmatable(ide_drive_t *drive);
         static int auide_dma_end(ide_drive_t *drive);
-        static void auide_dma_start(ide_drive_t *drive );
         ide_startstop_t auide_dma_intr (ide_drive_t *drive);
         static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
         static int auide_dma_setup(ide_drive_t *drive);
@@ -188,8 +176,6 @@ int __init auide_probe(void);
         static void auide_ddma_rx_callback(int irq, void *param,
                                            struct pt_regs *regs);
         static int auide_dma_off_quietly(ide_drive_t *drive);
-        static int auide_dma_timeout(ide_drive_t *drive);
-
 #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
 /*******************************************************************************
@@ -299,3 +285,11 @@ int __init auide_probe(void);
 #define SBC_IDE_MDMA2_TPM     (0x00<<6)
 #define SBC_IDE_MDMA2_TA      (0x12<<0)
 
+#define SBC_IDE_TIMING(mode) \
+         SBC_IDE_##mode##_TWCS | \
+         SBC_IDE_##mode##_TCSH | \
+         SBC_IDE_##mode##_TCSOFF | \
+         SBC_IDE_##mode##_TWP | \
+         SBC_IDE_##mode##_TCSW | \
+         SBC_IDE_##mode##_TPM | \
+         SBC_IDE_##mode##_TA

include/linux/ide.h

@@ -23,17 +23,6 @@
 #include <asm/io.h>
 #include <asm/semaphore.h>
 
-/*
- * This is the multiple IDE interface driver, as evolved from hd.c.
- * It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
- * There can be up to two drives per interface, as per the ATA-2 spec.
- *
- * Primary i/f:    ide0: major=3;  (hda)         minor=0; (hdb)         minor=64
- * Secondary i/f:  ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64
- * Tertiary i/f:   ide2: major=33; (hde)         minor=0; (hdf)         minor=64
- * Quaternary i/f: ide3: major=34; (hdg)         minor=0; (hdh)         minor=64
- */
-
 /******************************************************************************
  * IDE driver configuration options (play with these as desired):
  *
@@ -193,11 +182,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define WAIT_CMD	(10*HZ)	/* 10sec  - maximum wait for an IRQ to happen */
 #define WAIT_MIN_SLEEP	(2*HZ/100)	/* 20msec - minimum sleep time */
 
-#define HOST(hwif,chipset)					\
-{								\
-	return ((hwif)->chipset == chipset) ? 1 : 0;		\
-}
-
 /*
  * Check for an interrupt and acknowledge the interrupt status
  */
@@ -390,45 +374,6 @@ typedef union {
 	} b;
 } ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
 
-/*
- * ATA-IDE Error Register
- *
- * mark		: Bad address mark
- * tzero	: Couldn't find track 0
- * abrt		: Aborted Command
- * mcr		: Media Change Request
- * id		: ID field not found
- * mce		: Media Change Event
- * ecc		: Uncorrectable ECC error
- * bdd		: dual meaing
- */
-typedef union {
-	unsigned all			:8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned mark		:1;
-		unsigned tzero		:1;
-		unsigned abrt		:1;
-		unsigned mcr		:1;
-		unsigned id		:1;
-		unsigned mce		:1;
-		unsigned ecc		:1;
-		unsigned bdd		:1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned bdd		:1;
-		unsigned ecc		:1;
-		unsigned mce		:1;
-		unsigned id		:1;
-		unsigned mcr		:1;
-		unsigned abrt		:1;
-		unsigned tzero		:1;
-		unsigned mark		:1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} ata_error_t;
-
 /*
  * ATA-IDE Select Register, aka Device-Head
  *
@@ -503,39 +448,6 @@ typedef union {
 	} b;
 } ata_status_t, atapi_status_t;
 
-/*
- * ATA-IDE Control Register
- *
- * bit0		: Should be set to zero
- * nIEN		: device INTRQ to host
- * SRST		: host soft reset bit
- * bit3		: ATA-2 thingy, Should be set to 1
- * reserved456	: Reserved
- * HOB		: 48-bit address ordering, High Ordered Bit
- */
-typedef union {
-	unsigned all			: 8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned bit0		: 1;
-		unsigned nIEN		: 1;
-		unsigned SRST		: 1;
-		unsigned bit3		: 1;
-		unsigned reserved456	: 3;
-		unsigned HOB		: 1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned HOB		: 1;
-		unsigned reserved456	: 3;
-		unsigned bit3		: 1;
-		unsigned SRST		: 1;
-		unsigned nIEN		: 1;
-		unsigned bit0		: 1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} ata_control_t;
-
 /*
  * ATAPI Feature Register
  *
@@ -617,39 +529,6 @@ typedef union {
 	} b;
 } atapi_error_t;
 
-/*
- * ATAPI floppy Drive Select Register
- *
- * sam_lun	: Logical unit number
- * reserved3	: Reserved
- * drv		: The responding drive will be drive 0 (0) or drive 1 (1)
- * one5		: Should be set to 1
- * reserved6	: Reserved
- * one7		: Should be set to 1
- */
-typedef union {
-	unsigned all			:8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned sam_lun	:3;
-		unsigned reserved3	:1;
-		unsigned drv		:1;
-		unsigned one5		:1;
-		unsigned reserved6	:1;
-		unsigned one7		:1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned one7		:1;
-		unsigned reserved6	:1;
-		unsigned one5		:1;
-		unsigned drv		:1;
-		unsigned reserved3	:1;
-		unsigned sam_lun	:3;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} atapi_select_t;
-
 /*
  * Status returned from various ide_ functions
  */
@@ -1101,10 +980,7 @@ typedef struct ide_driver_s {
 	int		(*end_request)(ide_drive_t *, int, int);
 	ide_startstop_t	(*error)(ide_drive_t *, struct request *rq, u8, u8);
 	ide_startstop_t	(*abort)(ide_drive_t *, struct request *rq);
-	int		(*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
 	ide_proc_entry_t	*proc;
-	void		(*ata_prebuilder)(ide_drive_t *);
-	void		(*atapi_prebuilder)(ide_drive_t *);
 	struct device_driver	gen_driver;
 } ide_driver_t;
 
@@ -1298,7 +1174,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
 extern void do_ide_request(request_queue_t *);
-extern void ide_init_subdrivers(void);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
 
@@ -1371,6 +1246,12 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *);
 #define GOOD_DMA_DRIVE		1
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
+struct drive_list_entry {
+	const char *id_model;
+	const char *id_firmware;
+};
+
+int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
 int __ide_dma_bad_drive(ide_drive_t *);
 int __ide_dma_good_drive(ide_drive_t *);
 int ide_use_dma(ide_drive_t *);

include/linux/pci_ids.h

@@ -1244,6 +1244,7 @@
 #define PCI_DEVICE_ID_VIA_8378_0	0x3205
 #define PCI_DEVICE_ID_VIA_8783_0	0x3208
 #define PCI_DEVICE_ID_VIA_8237		0x3227
+#define PCI_DEVICE_ID_VIA_8251		0x3287
 #define PCI_DEVICE_ID_VIA_3296_0	0x0296
 #define PCI_DEVICE_ID_VIA_8231		0x8231
 #define PCI_DEVICE_ID_VIA_8231_4	0x8235