diff options
36 files changed, 120 insertions, 139 deletions
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 61ce40d52f5..aeed0205ce6 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -365,10 +365,7 @@ static int icside_dma_check(ide_drive_t *drive) out: on = icside_set_speed(drive, xfer_mode); - if (on) - return icside_dma_on(drive); - else - return icside_dma_off_quietly(drive); + return on ? 0 : -1; } static int icside_dma_end(ide_drive_t *drive) diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 24281176b4d..027341d66b2 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -1048,12 +1048,10 @@ static ide_startstop_t cris_dma_intr (ide_drive_t *drive) static int cris_dma_check(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; - if (ide_use_dma(drive) && cris_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; - return hwif->ide_dma_off_quietly(drive); + return -1; } static int cris_dma_end(ide_drive_t *drive) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 1a288e5307d..4fbcea4c102 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -348,15 +348,14 @@ EXPORT_SYMBOL_GPL(ide_destroy_dmatable); static int config_drive_for_dma (ide_drive_t *drive) { struct hd_driveid *id = drive->id; - ide_hwif_t *hwif = HWIF(drive); - if ((id->capability & 1) && hwif->autodma) { + if ((id->capability & 1) && drive->hwif->autodma) { /* * Enable DMA on any drive that has * UltraDMA (mode 0/1/2/3/4/5/6) enabled */ if ((id->field_valid & 4) && ((id->dma_ultra >> 8) & 0x7f)) - return hwif->ide_dma_on(drive); + return 0; /* * Enable DMA on any drive that has mode2 DMA * (multi or single) enabled @@ -364,14 +363,14 @@ static int config_drive_for_dma (ide_drive_t *drive) if (id->field_valid & 2) /* regular DMA */ if ((id->dma_mword & 0x404) == 0x404 || (id->dma_1word & 0x404) == 0x404) - return hwif->ide_dma_on(drive); + return 0; /* Consult the list of known "good" drives */ if (__ide_dma_good_drive(drive)) - return hwif->ide_dma_on(drive); + return 0; } -// if (hwif->tuneproc != NULL) hwif->tuneproc(drive, 255); - return hwif->ide_dma_off_quietly(drive); + + return -1; } /** @@ -765,6 +764,30 @@ bug_dma_off: EXPORT_SYMBOL(ide_dma_verbose); +int ide_set_dma(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + int rc; + + rc = hwif->ide_dma_check(drive); + + switch(rc) { + case -1: /* DMA needs to be disabled */ + return hwif->ide_dma_off_quietly(drive); + case 0: /* DMA needs to be enabled */ + return hwif->ide_dma_on(drive); + case 1: /* DMA setting cannot be changed */ + break; + default: + BUG(); + break; + } + + return rc; +} + +EXPORT_SYMBOL_GPL(ide_set_dma); + #ifdef CONFIG_BLK_DEV_IDEDMA_PCI int __ide_dma_lostirq (ide_drive_t *drive) { diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 99d1c43f433..9f45a84588d 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -226,7 +226,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * break; if (drive->hwif->ide_dma_check == NULL) break; - drive->hwif->ide_dma_check(drive); + ide_set_dma(drive); break; } pm->pm_step = ide_pm_state_completed; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 176bbc850d6..72218f3e440 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -857,7 +857,7 @@ static void probe_hwif(ide_hwif_t *hwif) #ifdef CONFIG_IDEDMA_ONLYDISK if (drive->media == ide_disk) #endif - hwif->ide_dma_check(drive); + ide_set_dma(drive); } } } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index fbc6d39ace6..5585c01a9b7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1135,7 +1135,8 @@ static int set_using_dma (ide_drive_t *drive, int arg) if (HWIF(drive)->ide_dma_check == NULL) return -EPERM; if (arg) { - if (HWIF(drive)->ide_dma_check(drive)) return -EIO; + if (ide_set_dma(drive)) + return -EIO; if (HWIF(drive)->ide_dma_on(drive)) return -EIO; } else { if (__ide_dma_off(drive)) diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index b431b990426..8a723c81c4b 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -414,9 +414,9 @@ static int auide_dma_check(ide_drive_t *drive) speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA); if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) - return HWIF(drive)->ide_dma_on(drive); + return 0; - return HWIF(drive)->ide_dma_off_quietly(drive); + return -1; } static int auide_dma_test_irq(ide_drive_t *drive) diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 25892814b31..990eafe5ea1 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -209,15 +209,13 @@ static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio) static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) aec62xx_tune_drive(drive, 5); - return hwif->ide_dma_off_quietly(drive); + return -1; } static int aec62xx_irq_timeout (ide_drive_t *drive) diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 2baed4e04be..4debd18d52f 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -507,17 +507,15 @@ static int config_chipset_for_dma (ide_drive_t *drive) * * Configure a drive for DMA operation. If DMA is not possible we * drop the drive into PIO mode instead. - * - * FIXME: exactly what are we trying to return here */ - + static int ali15x3_config_drive_for_dma(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); struct hd_driveid *id = drive->id; if ((m5229_revision<=0x20) && (drive->media!=ide_disk)) - return hwif->ide_dma_off_quietly(drive); + goto no_dma_set; drive->init_speed = 0; @@ -552,9 +550,10 @@ try_dma_modes: ata_pio: hwif->tuneproc(drive, 255); no_dma_set: - return hwif->ide_dma_off_quietly(drive); + return -1; } - return hwif->ide_dma_on(drive); + + return 0; } /** diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index a4336995a41..7989bdd842a 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -304,8 +304,9 @@ static int amd74xx_ide_dma_check(ide_drive_t *drive) amd_set_drive(drive, speed); if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) - return HWIF(drive)->ide_dma_on(drive); - return HWIF(drive)->ide_dma_off_quietly(drive); + return 0; + + return -1; } /* diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 6d372c4e1d8..e7b4415adc8 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -252,21 +252,20 @@ static int atiixp_config_drive_for_dma(ide_drive_t *drive) static int atiixp_dma_check(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); u8 tspeed, speed; drive->init_speed = 0; if (ide_use_dma(drive) && atiixp_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) { tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL); speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0; - hwif->speedproc(drive, speed); + atiixp_speedproc(drive, speed); } - return hwif->ide_dma_off_quietly(drive); + return -1; } /** diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 28f58088669..49df27513da 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -474,15 +474,13 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int cmd64x_config_drive_for_dma (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) config_chipset_for_pio(drive, 1); - return hwif->ide_dma_off_quietly(drive); + return -1; } static int cmd64x_alt_dma_status (struct pci_dev *dev) diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index ba6786aabf3..400859a839f 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -132,12 +132,11 @@ static void cs5520_tune_drive(ide_drive_t *drive, u8 pio) static int cs5520_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - /* Tune the drive for PIO modes up to PIO 4 */ cs5520_tune_drive(drive, 4); + /* Then tell the core to use DMA operations */ - return hwif->ide_dma_on(drive); + return 0; } /* diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index 68b5d278ca0..ff909cfb96b 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -196,10 +196,7 @@ static int cs5530_config_dma (ide_drive_t *drive) outl(timings, basereg + 12); /* write drive1 config register */ } - /* - * Finally, turn DMA on in software, and exit. - */ - return hwif->ide_dma_on(drive); /* success */ + return 0; /* success */ } /** diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index cd7c4190ad6..45f43efbf92 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -195,20 +195,19 @@ static int cs5535_config_drive_for_dma(ide_drive_t *drive) static int cs5535_dma_check(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; u8 speed; drive->init_speed = 0; if (ide_use_dma(drive) && cs5535_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) { speed = ide_get_best_pio_mode(drive, 255, 4, NULL); cs5535_set_drive(drive, speed); } - return hwif->ide_dma_off_quietly(drive); + return -1; } static u8 __devinit cs5535_cable_detect(struct pci_dev *dev) diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index c65971d8d6a..924eaa3a570 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -109,21 +109,19 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) #ifndef CONFIG_HPT34X_AUTODMA - return hwif->ide_dma_off_quietly(drive); + return -1; #else - return hwif->ide_dma_on(drive); + return 0; #endif if (ide_use_fast_pio(drive)) hpt34x_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } /* diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 752b6d6dde0..60ecdc258c7 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -736,17 +736,15 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask) static int hpt366_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) hpt3xx_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } /* diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 63248b6909f..424f00bb160 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -244,17 +244,15 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int it8213_config_drive_for_dma (ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; + u8 pio; - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return 0; - hwif->speedproc(drive, XFER_PIO_0 - + ide_get_best_pio_mode(drive, 255, 4, NULL)); + pio = ide_get_best_pio_mode(drive, 255, 4, NULL); + it8213_tune_chipset(drive, XFER_PIO_0 + pio); - return hwif->ide_dma_off_quietly(drive); + return -1; } /** diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index e9bad185968..35ee17df3f8 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -520,14 +520,12 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int it821x_config_drive_for_dma (ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return 0; - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } config_it821x_chipset_for_pio(drive, 1); - return hwif->ide_dma_off_quietly(drive); + + return -1; } /** @@ -612,7 +610,7 @@ static void __devinit it821x_fixups(ide_hwif_t *hwif) #ifdef CONFIG_IDEDMA_ONLYDISK if (drive->media == ide_disk) #endif - hwif->ide_dma_check(drive); + ide_set_dma(drive); } else { /* Non RAID volume. Fixups to stop the core code doing unsupported things */ diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c index 75c2b409908..53f25500c22 100644 --- a/drivers/ide/pci/jmicron.c +++ b/drivers/ide/pci/jmicron.c @@ -164,14 +164,12 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int jmicron_config_drive_for_dma (ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return 0; - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } config_jmicron_chipset_for_pio(drive, 1); - return hwif->ide_dma_off_quietly(drive); + + return -1; } /** diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 7f2090fac6c..b310c4f5107 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -190,7 +190,8 @@ static int ns87415_ide_dma_setup(ide_drive_t *drive) static int ns87415_ide_dma_check (ide_drive_t *drive) { if (drive->media != ide_disk) - return HWIF(drive)->ide_dma_off_quietly(drive); + return -1; + return __ide_dma_check(drive); } diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index b780e15e9f3..6ceb25bc5a7 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -281,17 +281,15 @@ static int config_chipset_for_dma(ide_drive_t *drive) static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) - hwif->tuneproc(drive, 255); + pdcnew_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } static int pdcnew_quirkproc(ide_drive_t *drive) diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index b2b8e6ea7e9..a7a639fe1ea 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -322,17 +322,15 @@ chipset_is_set: static int pdc202xx_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) pdc202xx_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } static int pdc202xx_quirkproc (ide_drive_t *drive) diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index caf606a1ee8..569822f4cf5 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -386,19 +386,17 @@ static int piix_config_drive_for_dma (ide_drive_t *drive) static int piix_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && piix_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) /* Find best PIO mode. */ - (void) hwif->speedproc(drive, XFER_PIO_0 + - ide_get_best_pio_mode(drive, 255, 4, NULL)); + piix_tune_chipset(drive, XFER_PIO_0 + + ide_get_best_pio_mode(drive, 255, 4, NULL)); - return hwif->ide_dma_off_quietly(drive); + return -1; } /** diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 8d762d323f8..08e317f281e 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -241,10 +241,7 @@ static int sc1200_config_dma2 (ide_drive_t *drive, int mode) outb(inb(hwif->dma_base+2)|(unit?0x40:0x20), hwif->dma_base+2); /* set DMA_capable bit */ - /* - * Finally, turn DMA on in software, and exit. - */ - return hwif->ide_dma_on(drive); /* success */ + return 0; /* success */ } /* diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index f44a5ab8fe0..dbcd37a0c65 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -315,17 +315,15 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int svwks_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) config_chipset_for_pio(drive); - return hwif->ide_dma_off_quietly(drive); + return -1; } static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const char *name) diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 290697e09e5..cb5c3211bd8 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -296,9 +296,9 @@ static int sgiioc4_ide_dma_check(ide_drive_t *drive) if (ide_config_drive_speed(drive, XFER_MW_DMA_2) != 0) { printk(KERN_WARNING "%s: couldn't set MWDMA2 mode, " "using PIO instead\n", drive->name); - return sgiioc4_ide_dma_off_quietly(drive); + return -1; } else - return sgiioc4_ide_dma_on(drive); + return 0; } /* returns 1 if dma irq issued, 0 otherwise */ diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 1e5b8b17e6d..7b4c189a9d9 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -414,15 +414,13 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int siimage_config_drive_for_dma (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) config_chipset_for_pio(drive, 1); - return hwif->ide_dma_off_quietly(drive); + return -1; } /* returns 1 if dma irq issued, 0 otherwise */ diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 53ffeced06f..2ba0669f36a 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -669,19 +669,17 @@ static int config_chipset_for_dma (ide_drive_t *drive) static int sis5513_config_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - config_art_rwp_pio(drive, 5); drive->init_speed = 0; if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) sis5513_tune_drive(drive, 5); - return hwif->ide_dma_off_quietly(drive); + return -1; } /* Chip detection and general config */ diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index c7025858f23..27b21e12026 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -161,14 +161,14 @@ static int sl82c105_check_drive (ide_drive_t *drive) if (id->field_valid & 2) { if ((id->dma_mword & hwif->mwdma_mask) || (id->dma_1word & hwif->swdma_mask)) - return hwif->ide_dma_on(drive); + return 0; } if (__ide_dma_good_drive(drive) && id->eide_dma_time < 150) - return hwif->ide_dma_on(drive); + return 0; } while (0); - return hwif->ide_dma_off_quietly(drive); + return -1; } /* diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index 917cc8e61e4..ae7eb58d961 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -179,18 +179,16 @@ static int slc90e66_config_drive_for_dma (ide_drive_t *drive) static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - drive->init_speed = 0; if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) - (void) hwif->speedproc(drive, XFER_PIO_0 + - ide_get_best_pio_mode(drive, 255, 4, NULL)); + (void)slc90e66_tune_chipset(drive, XFER_PIO_0 + + ide_get_best_pio_mode(drive, 255, 4, NULL)); - return hwif->ide_dma_off_quietly(drive); + return -1; } static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif) diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index 3703fc87d15..0b6d81d6ce4 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -185,15 +185,13 @@ static int config_chipset_for_dma(ide_drive_t *drive) static int tc86c001_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) tc86c001_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif) diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index 1f5f6759fef..5e06179c346 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -113,13 +113,12 @@ static int triflex_config_drive_for_dma(ide_drive_t *drive) static int triflex_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && triflex_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; + + triflex_tune_drive(drive, 255); - hwif->tuneproc(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } static void __devinit init_hwif_triflex(ide_hwif_t *hwif) diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 6fb6e50b823..a508550c409 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -240,8 +240,9 @@ static int via82cxxx_ide_dma_check (ide_drive_t *drive) via_set_drive(drive, speed); if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) - return hwif->ide_dma_on(drive); - return hwif->ide_dma_off_quietly(drive); + return 0; + + return -1; } static struct via_isa_bridge *via_config_find(struct pci_dev **isa) diff --git a/drivers/ide/ppc/scc_pata.c b/drivers/ide/ppc/scc_pata.c index 7e3e93caafd..de64b022478 100644 --- a/drivers/ide/ppc/scc_pata.c +++ b/drivers/ide/ppc/scc_pata.c @@ -371,15 +371,13 @@ static int scc_config_chipset_for_dma(ide_drive_t *drive) static int scc_config_drive_for_dma(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && scc_config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) - hwif->tuneproc(drive, 4); + scc_tuneproc(drive, 4); - return hwif->ide_dma_off_quietly(drive); + return -1; } /** diff --git a/include/linux/ide.h b/include/linux/ide.h index 579a8521de6..08f96e8a190 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1278,6 +1278,7 @@ int __ide_dma_good_drive(ide_drive_t *); int ide_use_dma(ide_drive_t *); int __ide_dma_off(ide_drive_t *); void ide_dma_verbose(ide_drive_t *); +int ide_set_dma(ide_drive_t *); ide_startstop_t ide_dma_intr(ide_drive_t *); #ifdef CONFIG_BLK_DEV_IDEDMA_PCI @@ -1303,6 +1304,7 @@ extern int __ide_dma_timeout(ide_drive_t *); static inline int ide_use_dma(ide_drive_t *drive) { return 0; } static inline int __ide_dma_off(ide_drive_t *drive) { return 0; } static inline void ide_dma_verbose(ide_drive_t *drive) { ; } +static inline int ide_set_dma(ide_drive_t *drive) { return 1; } #endif /* CONFIG_BLK_DEV_IDEDMA */ #ifndef CONFIG_BLK_DEV_IDEDMA_PCI |