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

* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (33 commits)
  amd74xx: remove /proc/ide/amd74xx
  amd74xx/via82cxxx: don't initialize drive->dn
  sis5513: remove /proc/ide/sis
  ide: remove CONFIG_IDEDMA_ONLYDISK
  ide: add "hdx=nodma" kernel parameter
  ide: remove hwif->autodma and drive->autodma
  ide: remove "idex=dma" kernel parameter
  ide: remove CONFIG_BLK_DEV_IDEDMA_FORCED
  ide: use PCI_VDEVICE() macro
  sis5513: clear prefetch and postwrite for ATAPI devices
  it8213/piix/slc90e66: "de-couple" PIO and UDMA modes
  ide: unexport noautodma
  ide: unexport ide_tune_dma
  ide: remove ->ide_dma_check (take 2)
  ide-pmac: add PIO autotune fallback to ->ide_dma_check
  ide-cris: add PIO autotune fallback to ->ide_dma_check
  sl82c105: add PIO autotune fallback to ->ide_dma_check
  cs5530/sc1200: add PIO autotune fallback to ->ide_dma_check
  ide: remove ide_use_fast_pio()
  ide: remove drive->init_speed zeroing
  ...

1 files changed, 5 insertions, 6 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 30a1931466a6..e39ee2fa2607 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -576,7 +576,6 @@ typedef struct ide_drive_s {
         select_t        select;         /* basic drive/head select reg value */
 
         u8      keep_settings;          /* restore settings after drive reset */
-        u8      autodma;                /* device can safely use dma on host */
         u8      using_dma;              /* disk is using dma for read/write */
         u8      retry_pio;              /* retrying dma capable host in pio */
         u8      state;                  /* retry state */
@@ -600,6 +599,7 @@ typedef struct ide_drive_s {
         unsigned nice0          : 1;    /* give obvious excess bandwidth */
         unsigned nice2          : 1;    /* give a share in our own bandwidth */
         unsigned doorlocking    : 1;    /* for removable only: door lock/unlock works */
+        unsigned nodma          : 1;    /* disallow DMA */
         unsigned autotune       : 2;    /* 0=default, 1=autotune, 2=noautotune */
         unsigned remap_0_to_1   : 1;    /* 0=noremap, 1=remap 0->1 (for EZDrive) */
         unsigned blocked        : 1;    /* 1=powermanagment told us not to do anything, so sleep nicely */
@@ -736,7 +736,6 @@ typedef struct hwif_s {
         void (*dma_exec_cmd)(ide_drive_t *, u8);
         void (*dma_start)(ide_drive_t *);
         int (*ide_dma_end)(ide_drive_t *drive);
-        int (*ide_dma_check)(ide_drive_t *drive);
         int (*ide_dma_on)(ide_drive_t *drive);
         void (*dma_off_quietly)(ide_drive_t *drive);
         int (*ide_dma_test_irq)(ide_drive_t *drive);
@@ -798,7 +797,6 @@ typedef struct hwif_s {
         unsigned        serialized : 1; /* serialized all channel operation */
         unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        reset      : 1; /* reset after probe */
-        unsigned        autodma    : 1; /* auto-attempt using DMA at boot */
         unsigned        no_lba48   : 1; /* 1 = cannot do LBA48 */
         unsigned        no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */
         unsigned        auto_poll  : 1; /* supports nop auto-poll */
@@ -1256,6 +1254,10 @@ enum {
         IDE_HFLAG_POST_SET_MODE         = (1 << 8),
         /* don't program host/device for the transfer mode ("smart" hosts) */
         IDE_HFLAG_NO_SET_MODE           = (1 << 9),
+        /* trust BIOS for programming chipset/device for DMA */
+        IDE_HFLAG_TRUST_BIOS_FOR_DMA    = (1 << 10),
+        /* host uses VDMA */
+        IDE_HFLAG_VDMA                  = (1 << 11),
 };
 
 typedef struct ide_pci_device_s {
@@ -1303,7 +1305,6 @@ static inline u8 ide_max_dma_mode(ide_drive_t *drive)
         return ide_find_dma_mode(drive, XFER_UDMA_6);
 }
 
-int ide_tune_dma(ide_drive_t *);
 void ide_dma_off(ide_drive_t *);
 void ide_dma_verbose(ide_drive_t *);
 int ide_set_dma(ide_drive_t *);
@@ -1330,7 +1331,6 @@ extern void ide_dma_timeout(ide_drive_t *);
 #else
 static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
 static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
-static inline int ide_tune_dma(ide_drive_t *drive) { return 0; }
 static inline void ide_dma_off(ide_drive_t *drive) { ; }
 static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
 static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
@@ -1380,7 +1380,6 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
 extern char *ide_xfer_verbose(u8 xfer_rate);
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
-int ide_use_fast_pio(ide_drive_t *);
 
 static inline int ide_dev_has_iordy(struct hd_driveid *id)
 {