diff options
36 files changed, 304 insertions, 521 deletions
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 110e52377c7..bd1f5b67037 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -248,7 +248,7 @@ static void icside_build_sglist(ide_drive_t *drive, struct request *rq) * MW1 80 50 50 150 C * MW2 70 25 25 120 C */ -static int icside_set_speed(ide_drive_t *drive, const u8 xfer_mode) +static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode) { int cycle_time, use_dma_info = 0; @@ -273,7 +273,7 @@ static int icside_set_speed(ide_drive_t *drive, const u8 xfer_mode) cycle_time = 480; break; default: - return 1; + return; } /* @@ -287,8 +287,6 @@ static int icside_set_speed(ide_drive_t *drive, const u8 xfer_mode) printk("%s: %s selected (peak %dMB/s)\n", drive->name, ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data); - - return ide_config_drive_speed(drive, xfer_mode); } static void icside_dma_host_off(ide_drive_t *drive) @@ -433,7 +431,7 @@ static void icside_dma_init(ide_hwif_t *hwif) hwif->dmatable_cpu = NULL; hwif->dmatable_dma = 0; - hwif->speedproc = icside_set_speed; + hwif->set_dma_mode = icside_set_dma_mode; hwif->autodma = 1; hwif->ide_dma_check = icside_dma_check; diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 4bb42b30bfc..2b4d2a0ae5c 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -716,11 +716,9 @@ static void cris_set_pio_mode(ide_drive_t *drive, const u8 pio) } cris_ide_set_speed(TYPE_PIO, setup, strobe, hold); - - (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio); } -static int speed_cris_ide(ide_drive_t *drive, const u8 speed) +static void cris_set_dma_mode(ide_drive_t *drive, const u8 speed) { int cyc = 0, dvs = 0, strobe = 0, hold = 0; @@ -759,8 +757,6 @@ static int speed_cris_ide(ide_drive_t *drive, const u8 speed) cris_ide_set_speed(TYPE_UDMA, cyc, dvs, 0); else cris_ide_set_speed(TYPE_DMA, 0, strobe, hold); - - return ide_config_drive_speed(drive, speed); } void __init @@ -791,7 +787,7 @@ init_e100_ide (void) hwif->mmio = 1; hwif->chipset = ide_etrax100; hwif->set_pio_mode = &cris_set_pio_mode; - hwif->speedproc = &speed_cris_ide; + hwif->set_dma_mode = &cris_set_dma_mode; hwif->ata_input_data = &cris_ide_input_data; hwif->ata_output_data = &cris_ide_output_data; hwif->atapi_input_bytes = &cris_atapi_input_bytes; diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 05781faaddd..b453211ee0f 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -774,7 +774,10 @@ int ide_tune_dma(ide_drive_t *drive) if (!speed) return 0; - if (drive->hwif->speedproc(drive, speed)) + if (drive->hwif->host_flags & IDE_HFLAG_NO_SET_MODE) + return 0; + + if (ide_set_dma_mode(drive, speed)) return 0; return 1; diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index e5fc2e50595..f5e73e2950d 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -862,9 +862,6 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) return error; } -EXPORT_SYMBOL(ide_config_drive_speed); - - /* * This should get invoked any time we exit the driver to * wait for an interrupt response from a drive. handler() points diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index d97390c0543..0e2562f0f74 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -349,7 +349,7 @@ void ide_set_pio(ide_drive_t *drive, u8 req_pio) drive->name, host_pio, req_pio, req_pio == 255 ? "(auto-tune)" : "", pio); - hwif->set_pio_mode(drive, pio); + (void)ide_set_pio_mode(drive, XFER_PIO_0 + pio); } EXPORT_SYMBOL_GPL(ide_set_pio); @@ -378,39 +378,83 @@ void ide_toggle_bounce(ide_drive_t *drive, int on) blk_queue_bounce_limit(drive->queue, addr); } +int ide_set_pio_mode(ide_drive_t *drive, const u8 mode) +{ + ide_hwif_t *hwif = drive->hwif; + + if (hwif->set_pio_mode == NULL) + return -1; + + /* + * TODO: temporary hack for some legacy host drivers that didn't + * set transfer mode on the device in ->set_pio_mode method... + */ + if (hwif->set_dma_mode == NULL) { + hwif->set_pio_mode(drive, mode - XFER_PIO_0); + return 0; + } + + if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) { + if (ide_config_drive_speed(drive, mode)) + return -1; + hwif->set_pio_mode(drive, mode - XFER_PIO_0); + return 0; + } else { + hwif->set_pio_mode(drive, mode - XFER_PIO_0); + return ide_config_drive_speed(drive, mode); + } +} + +int ide_set_dma_mode(ide_drive_t *drive, const u8 mode) +{ + ide_hwif_t *hwif = drive->hwif; + + if (hwif->set_dma_mode == NULL) + return -1; + + if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) { + if (ide_config_drive_speed(drive, mode)) + return -1; + hwif->set_dma_mode(drive, mode); + return 0; + } else { + hwif->set_dma_mode(drive, mode); + return ide_config_drive_speed(drive, mode); + } +} + +EXPORT_SYMBOL_GPL(ide_set_dma_mode); + /** * ide_set_xfer_rate - set transfer rate * @drive: drive to set - * @speed: speed to attempt to set + * @rate: speed to attempt to set * * General helper for setting the speed of an IDE device. This * function knows about user enforced limits from the configuration - * which speedproc() does not. High level drivers should never - * invoke speedproc() directly. + * which ->set_pio_mode/->set_dma_mode does not. */ - + int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) { ide_hwif_t *hwif = drive->hwif; - if (hwif->speedproc == NULL) + if (hwif->set_dma_mode == NULL) return -1; rate = ide_rate_filter(drive, rate); - if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5) { - if (hwif->set_pio_mode) - hwif->set_pio_mode(drive, rate - XFER_PIO_0); + if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5) + return ide_set_pio_mode(drive, rate); - /* - * FIXME: this is incorrect to return zero here but - * since all users of ide_set_xfer_rate() ignore - * the return value it is not a problem currently - */ - return 0; - } + /* + * TODO: transfer modes 0x00-0x07 passed from the user-space are + * currently handled here which needs fixing (please note that such + * case could happen iff the transfer mode has already been set on + * the device by ide-proc.c::set_xfer_rate()). + */ - return hwif->speedproc(drive, rate); + return ide_set_dma_mode(drive, rate); } static void ide_dump_opcode(ide_drive_t *drive) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index a96a8b1b353..5c0e4078b5c 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -397,7 +397,7 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) #endif hwif->set_pio_mode = tmp_hwif->set_pio_mode; - hwif->speedproc = tmp_hwif->speedproc; + hwif->set_dma_mode = tmp_hwif->set_dma_mode; hwif->mdma_filter = tmp_hwif->mdma_filter; hwif->udma_filter = tmp_hwif->udma_filter; hwif->selectproc = tmp_hwif->selectproc; diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index c319f616312..aebde49365d 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -101,14 +101,7 @@ void auide_outsw(unsigned long port, void *addr, u32 count) static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio) { - int mem_sttime; - int mem_stcfg; - - if (ide_config_drive_speed(drive, pio + XFER_PIO_0)) - return; - - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); + int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); /* set pio mode! */ switch(pio) { @@ -168,13 +161,9 @@ static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio) au_writel(mem_stcfg,MEM_STCFG2); } -static int auide_tune_chipset(ide_drive_t *drive, const u8 speed) +static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed) { - int mem_sttime; - int mem_stcfg; - - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); + int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); switch(speed) { #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA @@ -210,16 +199,11 @@ static int auide_tune_chipset(ide_drive_t *drive, const u8 speed) break; #endif default: - return 1; + return; } - if (ide_config_drive_speed(drive, speed)) - return 1; - au_writel(mem_sttime,MEM_STTIME2); au_writel(mem_stcfg,MEM_STCFG2); - - return 0; } /* @@ -681,6 +665,7 @@ static int au_ide_probe(struct device *dev) #endif hwif->pio_mask = ATA_PIO4; + hwif->host_flags = IDE_HFLAG_POST_SET_MODE; hwif->noprobe = 0; hwif->drives[0].unmask = 1; @@ -701,7 +686,7 @@ static int au_ide_probe(struct device *dev) #endif hwif->set_pio_mode = &au1xxx_set_pio_mode; - hwif->speedproc = &auide_tune_chipset; + hwif->set_dma_mode = &auide_set_dma_mode; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA hwif->dma_off_quietly = &auide_dma_off_quietly; diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 0d5f62c5dfa..d6cb2d5143c 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -87,7 +87,7 @@ static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entr return chipset_table->ultra_settings; } -static int aec6210_tune_chipset(ide_drive_t *drive, const u8 speed) +static void aec6210_set_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -111,10 +111,9 @@ static int aec6210_tune_chipset(ide_drive_t *drive, const u8 speed) tmp2 = ((ultra_conf << (2*drive->dn)) | (tmp1 & ~(3 << (2*drive->dn)))); pci_write_config_byte(dev, 0x54, tmp2); local_irq_restore(flags); - return(ide_config_drive_speed(drive, speed)); } -static int aec6260_tune_chipset(ide_drive_t *drive, const u8 speed) +static void aec6260_set_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -135,12 +134,11 @@ static int aec6260_tune_chipset(ide_drive_t *drive, const u8 speed) tmp2 = ((ultra_conf << (4*unit)) | (tmp1 & ~(7 << (4*unit)))); pci_write_config_byte(dev, (0x44|hwif->channel), tmp2); local_irq_restore(flags); - return(ide_config_drive_speed(drive, speed)); } static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio) { - (void) HWIF(drive)->speedproc(drive, pio + XFER_PIO_0); + drive->hwif->set_dma_mode(drive, pio + XFER_PIO_0); } static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive) @@ -205,9 +203,9 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { if(hwif->mate) hwif->mate->serialized = hwif->serialized = 1; - hwif->speedproc = &aec6210_tune_chipset; + hwif->set_dma_mode = &aec6210_set_mode; } else - hwif->speedproc = &aec6260_tune_chipset; + hwif->set_dma_mode = &aec6260_set_mode; if (!hwif->dma_base) { hwif->drives[0].autotune = hwif->drives[1].autotune = 1; diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index d04b966b434..88f084eae19 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -283,14 +283,14 @@ static int ali_get_info (char *buffer, char **addr, off_t offset, int count) #endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */ /** - * ali_tune_pio - set host controller for PIO mode + * ali_set_pio_mode - set host controller for PIO mode * @drive: drive * @pio: PIO mode number * * Program the controller for the given PIO mode. */ -static void ali_tune_pio(ide_drive_t *drive, const u8 pio) +static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -358,21 +358,6 @@ static void ali_tune_pio(ide_drive_t *drive, const u8 pio) } /** - * ali_set_pio_mode - set up drive for PIO mode - * @drive: drive to tune - * @pio: desired mode - * - * Program the controller with the desired PIO timing for the given drive. - * Then set up the drive itself. - */ - -static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - ali_tune_pio(drive, pio); - (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); -} - -/** * ali_udma_filter - compute UDMA mask * @drive: IDE device * @@ -401,15 +386,14 @@ static u8 ali_udma_filter(ide_drive_t *drive) } /** - * ali15x3_tune_chipset - set up chipset/drive for new speed - * @drive: drive to configure for - * @speed: desired speed + * ali_set_dma_mode - set host controller for DMA mode + * @drive: drive + * @speed: DMA mode * * Configure the hardware for the desired IDE transfer mode. - * We also do the needed drive configuration through helpers */ -static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) +static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -419,7 +403,7 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) int m5229_udma = (hwif->channel) ? 0x57 : 0x56; if (speed < XFER_PIO_0) - return 1; + return; if (speed == XFER_UDMA_6) speed1 = 0x47; @@ -450,7 +434,6 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, 0x4b, tmpbyte); } } - return (ide_config_drive_speed(drive, speed)); } /** @@ -699,7 +682,7 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif) { hwif->autodma = 0; hwif->set_pio_mode = &ali_set_pio_mode; - hwif->speedproc = &ali15x3_tune_chipset; + hwif->set_dma_mode = &ali_set_dma_mode; hwif->udma_filter = &ali_udma_filter; /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 71d2c670e97..6ff4089a237 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -229,20 +229,16 @@ static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timi } /* - * amd_set_drive() computes timing values configures the drive and - * the chipset to a desired transfer mode. It also can be called - * by upper layers. + * amd_set_drive() computes timing values and configures the chipset + * to a desired transfer mode. It also can be called by upper layers. */ -static int amd_set_drive(ide_drive_t *drive, const u8 speed) +static void amd_set_drive(ide_drive_t *drive, const u8 speed) { ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); struct ide_timing t, p; int T, UT; - if (ide_config_drive_speed(drive, speed)) - return 1; - T = 1000000000 / amd_clock; UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2); @@ -257,8 +253,6 @@ static int amd_set_drive(ide_drive_t *drive, const u8 speed) if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); - - return 0; } /* @@ -395,7 +389,7 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) hwif->autodma = 0; hwif->set_pio_mode = &amd_set_pio_mode; - hwif->speedproc = &amd_set_drive; + hwif->set_dma_mode = &amd_set_drive; for (i = 0; i < 2; i++) { hwif->drives[i].io_32bit = 1; @@ -437,7 +431,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \ .bootable = ON_BOARD, \ .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ - | IDE_HFLAG_PIO_NO_DOWNGRADE, \ + | IDE_HFLAG_PIO_NO_DOWNGRADE \ + | IDE_HFLAG_POST_SET_MODE, \ .pio_mask = ATA_PIO5, \ } @@ -450,7 +445,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ .bootable = ON_BOARD, \ .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ - | IDE_HFLAG_PIO_NO_DOWNGRADE, \ + | IDE_HFLAG_PIO_NO_DOWNGRADE \ + | IDE_HFLAG_POST_SET_MODE, \ .pio_mask = ATA_PIO5, \ } diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 178876a3afc..0eb97f021d3 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -122,14 +122,14 @@ static void atiixp_dma_host_off(ide_drive_t *drive) } /** - * atiixp_tune_pio - tune a drive attached to a ATIIXP - * @drive: drive to tune - * @pio: desired PIO mode + * atiixp_set_pio_mode - set host controller for PIO mode + * @drive: drive + * @pio: PIO mode number * * Set the interface PIO mode. */ -static void atiixp_tune_pio(ide_drive_t *drive, u8 pio) +static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio) { struct pci_dev *dev = drive->hwif->pci_dev; unsigned long flags; @@ -153,23 +153,16 @@ static void atiixp_tune_pio(ide_drive_t *drive, u8 pio) spin_unlock_irqrestore(&atiixp_lock, flags); } -static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - atiixp_tune_pio(drive, pio); - (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio); -} - /** - * atiixp_tune_chipset - tune a ATIIXP interface - * @drive: IDE drive to tune - * @speed: speed to configure + * atiixp_set_dma_mode - set host controller for DMA mode + * @drive: drive + * @speed: DMA mode * - * Set a ATIIXP interface channel to the desired speeds. This involves - * requires the right timing data into the ATIIXP configuration space - * then setting the drive parameters appropriately + * Set a ATIIXP host controller to the desired DMA mode. This involves + * programming the right timing data into the PCI configuration space. */ -static int atiixp_speedproc(ide_drive_t *drive, const u8 speed) +static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed) { struct pci_dev *dev = drive->hwif->pci_dev; unsigned long flags; @@ -204,9 +197,7 @@ static int atiixp_speedproc(ide_drive_t *drive, const u8 speed) else pio = speed - XFER_PIO_0; - atiixp_tune_pio(drive, pio); - - return ide_config_drive_speed(drive, speed); + atiixp_set_pio_mode(drive, pio); } /** @@ -249,7 +240,7 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif) hwif->autodma = 0; hwif->set_pio_mode = &atiixp_set_pio_mode; - hwif->speedproc = &atiixp_speedproc; + hwif->set_dma_mode = &atiixp_set_dma_mode; hwif->drives[0].autotune = 1; hwif->drives[1].autotune = 1; diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 0b568c60f92..d50f15e34b8 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -280,10 +280,9 @@ static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio) return; cmd64x_tune_pio(drive, pio); - (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); } -static int cmd64x_tune_chipset(ide_drive_t *drive, const u8 speed) +static void cmd64x_set_dma_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -324,13 +323,11 @@ static int cmd64x_tune_chipset(ide_drive_t *drive, const u8 speed) program_cycle_times(drive, 480, 215); break; default: - return 1; + return; } if (speed >= XFER_SW_DMA_0) (void) pci_write_config_byte(dev, pciU, regU); - - return ide_config_drive_speed(drive, speed); } static int cmd64x_config_drive_for_dma (ide_drive_t *drive) @@ -524,7 +521,7 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif) pci_read_config_byte(dev, PCI_REVISION_ID, &rev); hwif->set_pio_mode = &cmd64x_set_pio_mode; - hwif->speedproc = &cmd64x_tune_chipset; + hwif->set_dma_mode = &cmd64x_set_dma_mode; hwif->drives[0].autotune = hwif->drives[1].autotune = 1; diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index 1217d2a747f..cb2a10203dc 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -96,22 +96,13 @@ static void cs5520_set_pio_mode(ide_drive_t *drive, const u8 pio) reg = inb(hwif->dma_base + 0x02 + 8*controller); reg |= 1<<((drive->dn&1)+5); outb(reg, hwif->dma_base + 0x02 + 8*controller); - - (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio); } -static int cs5520_tune_chipset(ide_drive_t *drive, const u8 speed) +static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed) { printk(KERN_ERR "cs55x0: bad ide timing.\n"); cs5520_set_pio_mode(drive, 0); - - /* - * FIXME: this is incorrect to return zero here but - * since all users of ide_set_xfer_rate() ignore - * the return value it is not a problem currently - */ - return 0; } static int cs5520_config_drive_xfer_rate(ide_drive_t *drive) @@ -150,7 +141,7 @@ static int cs5520_dma_on(ide_drive_t *drive) static void __devinit init_hwif_cs5520(ide_hwif_t *hwif) { hwif->set_pio_mode = &cs5520_set_pio_mode; - hwif->speedproc = &cs5520_tune_chipset; + hwif->set_dma_mode = &cs5520_set_dma_mode; hwif->ide_dma_check = &cs5520_config_drive_xfer_rate; hwif->ide_dma_on = &cs5520_dma_on; diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index 741507b4cd9..e4121577cef 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -30,22 +30,6 @@ #include <asm/io.h> #include <asm/irq.h> -/** - * cs5530_xfer_set_mode - set a new transfer mode at the drive - * @drive: drive to tune - * @mode: new mode - * - * Logging wrapper to the IDE driver speed configuration. This can - * probably go away now. - */ - -static int cs5530_set_xfer_mode (ide_drive_t *drive, u8 mode) -{ - printk(KERN_DEBUG "%s: cs5530_set_xfer_mode(%s)\n", - drive->name, ide_xfer_verbose(mode)); - return (ide_config_drive_speed(drive, mode)); -} - /* * Here are the standard PIO mode 0-4 timings for each "format". * Format-0 uses fast data reg timings, with slower command reg timings. @@ -62,20 +46,12 @@ static unsigned int cs5530_pio_timings[2][5] = { #define CS5530_BAD_PIO(timings) (((timings)&~0x80000000)==0x0000e132) #define CS5530_BASEREG(hwif) (((hwif)->dma_base & ~0xf) + ((hwif)->channel ? 0x30 : 0x20)) -static void cs5530_tunepio(ide_drive_t *drive, u8 pio) -{ - unsigned long basereg = CS5530_BASEREG(drive->hwif); - unsigned int format = (inl(basereg + 4) >> 31) & 1; - - outl(cs5530_pio_timings[format][pio], basereg + ((drive->dn & 1)<<3)); -} - /** - * cs5530_set_pio_mode - set PIO mode + * cs5530_set_pio_mode - set host controller for PIO mode * @drive: drive * @pio: PIO mode number * - * Handles setting of PIO mode for both the chipset and drive. + * Handles setting of PIO mode for the chipset. * * The init_hwif_cs5530() routine guarantees that all drives * will have valid default PIO timings set up before we get here. @@ -83,8 +59,10 @@ static void cs5530_tunepio(ide_drive_t *drive, u8 pio) static void cs5530_set_pio_mode(ide_drive_t *drive, const u8 pio) { - if (cs5530_set_xfer_mode(drive, XFER_PIO_0 + pio) == 0) - cs5530_tunepio(drive, pio); + unsigned long basereg = CS5530_BASEREG(drive->hwif); + unsigned int format = (inl(basereg + 4) >> 31) & 1; + + outl(cs5530_pio_timings[format][pio], basereg + ((drive->dn & 1)<<3)); } /** @@ -142,20 +120,11 @@ static int cs5530_config_dma(ide_drive_t *drive) return 1; } -static int cs5530_tune_chipset(ide_drive_t *drive, const u8 mode) +static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode) { unsigned long basereg; unsigned int reg, timings = 0; - /* - * Tell the drive to switch to the new mode; abort on failure. - */ - if (cs5530_set_xfer_mode(drive, mode)) - return 1; /* failure */ - - /* - * Now tune the chipset to match the drive: - */ switch (mode) { case XFER_UDMA_0: timings = 0x00921250; break; case XFER_UDMA_1: timings = 0x00911140; break; @@ -180,8 +149,6 @@ static int cs5530_tune_chipset(ide_drive_t *drive, const u8 mode) outl(reg, basereg + 4); /* write drive0 config register */ outl(timings, basereg + 12); /* write drive1 config register */ } - - return 0; /* success */ } /** @@ -299,7 +266,7 @@ static void __devinit init_hwif_cs5530 (ide_hwif_t *hwif) hwif->serialized = hwif->mate->serialized = 1; hwif->set_pio_mode = &cs5530_set_pio_mode; - hwif->speedproc = &cs5530_tune_chipset; + hwif->set_dma_mode = &cs5530_set_dma_mode; basereg = CS5530_BASEREG(hwif); d0_timings = inl(basereg + 0); @@ -340,6 +307,7 @@ static ide_pci_device_t cs5530_chipset __devinitdata = { .autodma = AUTODMA, .bootable = ON_BOARD, .pio_mask = ATA_PIO4, + .host_flags = IDE_HFLAG_POST_SET_MODE, }; static int __devinit cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 5d1be657adc..da606ba6d28 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -131,26 +131,21 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed) } } -/**** - * cs5535_set_drive - Configure the drive to the new speed - * @drive: Drive to set up - * @speed: desired speed +/** + * cs5535_set_dma_mode - set host controller for DMA mode + * @drive: drive + * @speed: DMA mode * - * cs5535_set_drive() configures the drive and the chipset to a - * new speed. It also can be called by upper layers. + * Programs the chipset for DMA mode. */ -static int cs5535_set_drive(ide_drive_t *drive, u8 speed) -{ - if (ide_config_drive_speed(drive, speed)) - return 1; +static void cs5535_set_dma_mode(ide_drive_t *drive, const u8 speed) +{ cs5535_set_speed(drive, speed); - - return 0; } /** - * cs5535_set_pio_mode - PIO setup + * cs5535_set_pio_mode - set host controller for PIO mode * @drive: drive * @pio: PIO |