From 7569e8dc2213ecc47024ea5edbadc8736487d926 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 17 Feb 2007 02:40:25 +0100 Subject: [PATCH] ide: add ide_use_fast_pio() helper (v3) * add ide_use_fast_pio() helper for use by host drivers * add DMA capability and hwif->autodma checks to ide_use_dma() - au1xxx-ide/it8213/it821x drivers didn't check for (id->capability & 1) [ for the IT8211/2 in SMART mode this check shouldn't be made but since in it821x_fixups() we set DMA bit explicitly: if(strstr(id->model, "Integrated Technology Express")) { /* In raid mode the ident block is slightly buggy We need to set the bits so that the IDE layer knows LBA28. LBA48 and DMA ar valid */ id->capability |= 3; /* LBA28, DMA */ we are better off using generic helper if we can ] - ide-cris driver didn't set ->autodma [ before the patch hwif->autodma was only checked in the chipset specific hwif->ide_dma_check implementations, for ide-cris it is cris_dma_check() function so there no behavior change here ] v2: * updated patch description (thanks to Alan Cox for the feedback) v3: * updated for scc_pata driver Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/cris/ide-cris.c | 12 +++++------- drivers/ide/ide-dma.c | 3 +++ drivers/ide/ide-lib.c | 15 +++++++++++++++ drivers/ide/pci/aec62xx.c | 14 +++----------- drivers/ide/pci/atiixp.c | 14 +++----------- drivers/ide/pci/cmd64x.c | 14 +++----------- drivers/ide/pci/cs5535.c | 13 +++---------- drivers/ide/pci/hpt34x.c | 16 ++++------------ drivers/ide/pci/hpt366.c | 11 +++-------- drivers/ide/pci/pdc202xx_new.c | 12 +++--------- drivers/ide/pci/pdc202xx_old.c | 14 +++----------- drivers/ide/pci/piix.c | 12 +++--------- drivers/ide/pci/serverworks.c | 14 +++----------- drivers/ide/pci/siimage.c | 14 +++----------- drivers/ide/pci/sis5513.c | 14 +++----------- drivers/ide/pci/slc90e66.c | 12 +++--------- drivers/ide/pci/tc86c001.c | 12 +++--------- drivers/ide/pci/triflex.c | 9 ++------- drivers/ide/ppc/scc_pata.c | 13 ++++--------- include/linux/ide.h | 1 + 20 files changed, 73 insertions(+), 166 deletions(-) diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 5797e0b5a13..7afb715b86e 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -821,6 +821,9 @@ init_e100_ide (void) hwif->ultra_mask = cris_ultra_mask; hwif->mwdma_mask = 0x07; /* Multiword DMA 0-2 */ hwif->swdma_mask = 0x07; /* Singleword DMA 0-2 */ + hwif->autodma = 1; + hwif->drives[0].autodma = 1; + hwif->drives[1].autodma = 1; } /* Reset pulse */ @@ -1046,14 +1049,9 @@ 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; - struct hd_driveid* id = drive->id; - if (id && (id->capability & 1)) { - if (ide_use_dma(drive)) { - if (cris_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - } + if (ide_use_dma(drive) && cris_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 56efed6742d..941846c2162 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -680,6 +680,9 @@ int ide_use_dma(ide_drive_t *drive) struct hd_driveid *id = drive->id; ide_hwif_t *hwif = drive->hwif; + if ((id->capability & 1) == 0 || drive->autodma == 0) + return 0; + /* consult the list of known "bad" drives */ if (__ide_dma_bad_drive(drive)) return 0; diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index bea5e13ee36..8afce4ceea3 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -205,6 +205,21 @@ int ide_dma_enable (ide_drive_t *drive) EXPORT_SYMBOL(ide_dma_enable); +int ide_use_fast_pio(ide_drive_t *drive) +{ + struct hd_driveid *id = drive->id; + + if ((id->capability & 1) && drive->autodma) + return 1; + + if ((id->capability & 8) || (id->field_valid & 2)) + return 1; + + return 0; +} + +EXPORT_SYMBOL_GPL(ide_use_fast_pio); + /* * Standard (generic) timings for PIO modes, from ATA2 specification. * These timings are for access to the IDE data port register *only*. diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index cac12c38b94..199507391ae 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -210,19 +210,11 @@ 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); - struct hd_driveid *id = drive->id; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { aec62xx_tune_drive(drive, 5); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 922b315da4a..dfc738c4222 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -253,22 +253,14 @@ 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); - struct hd_driveid *id = drive->id; u8 tspeed, speed; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && atiixp_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (atiixp_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + 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); diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 009fc916844..b1f9f5f3615 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -475,19 +475,11 @@ 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); - struct hd_driveid *id = drive->id; - if ((id != NULL) && ((id->capability & 1) != 0) && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { config_chipset_for_pio(drive, 1); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 5c5aec28e67..e47653f4d1d 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -196,21 +196,14 @@ 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; - struct hd_driveid *id = drive->id; u8 speed; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { - if (ide_use_dma(drive)) { - if (cs5535_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; + if (ide_use_dma(drive) && cs5535_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + 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); diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index 0de3b61cabe..0830089c77f 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -110,25 +110,17 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if (id && (id->capability & 1) && drive->autodma) { - - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) #ifndef CONFIG_HPT34X_AUTODMA - return hwif->ide_dma_off_quietly(drive); + return hwif->ide_dma_off_quietly(drive); #else - return hwif->ide_dma_on(drive); + return hwif->ide_dma_on(drive); #endif - } - - goto fast_ata_pio; - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { hpt34x_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 06dce099910..d3f6f9da96b 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -737,18 +737,13 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - - goto fast_ata_pio; + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { hpt3xx_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 236a03144a2..b13a06c5cb2 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -282,19 +282,13 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { - - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - - goto fast_ata_pio; + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { hwif->tuneproc(drive, 255); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 80eb6d27133..a2be3d2fd3f 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -323,21 +323,13 @@ chipset_is_set: static int pdc202xx_config_drive_xfer_rate (ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if (id && (id->capability & 1) && drive->autodma) { - - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { pdc202xx_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 24733447351..85e8a78e10a 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -387,19 +387,13 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && piix_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive) && piix_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + 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)); diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 81a0742c459..9e92e7ba022 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -316,21 +316,13 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { config_chipset_for_pio(drive); // hwif->tuneproc(drive, 5); return hwif->ide_dma_off_quietly(drive); diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index ad98510026a..367733c8c1d 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -415,19 +415,11 @@ 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); - struct hd_driveid *id = drive->id; - if ((id->capability & 1) != 0 && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { config_chipset_for_pio(drive, 1); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index e71552e64ae..4fff663a643 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -670,23 +670,15 @@ 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); - struct hd_driveid *id = drive->id; config_art_rwp_pio(drive, 5); drive->init_speed = 0; - if (id && (id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { sis5513_tune_drive(drive, 5); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index 2663ddbd9b6..4042fd8e230 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -180,19 +180,13 @@ 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); - struct hd_driveid *id = drive->id; drive->init_speed = 0; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { (void) hwif->speedproc(drive, XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 4, NULL)); return hwif->ide_dma_off_quietly(drive); diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index 2ad72bbda34..4e893808f06 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -186,17 +186,11 @@ 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); - struct hd_driveid *id = drive->id; - if ((id->capability & 1) && drive->autodma) { + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: + if (ide_use_fast_pio(drive)) { tc86c001_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index b0d29cd7123..1f5f6759fef 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -114,14 +114,9 @@ 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); - struct hd_driveid *id = drive->id; - if ((id->capability & 1) && drive->autodma) { - if (ide_use_dma(drive)) { - if (triflex_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - } + if (ide_use_dma(drive) && triflex_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); hwif->tuneproc(drive, 255); return hwif->ide_dma_off_quietly(drive); diff --git a/drivers/ide/ppc/scc_pata.c b/drivers/ide/ppc/scc_pata.c index 65ad8ab3459..0ab26ea5a35 100644 --- a/drivers/ide/ppc/scc_pata.c +++ b/drivers/ide/ppc/scc_pata.c @@ -383,16 +383,11 @@ 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); - struct hd_driveid *id = drive->id; - if ((id->capability & 1) != 0 && drive->autodma) { - if (ide_use_dma(drive)) { - if (scc_config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } - goto fast_ata_pio; - } else if ((id->capability & 8) || (id->field_valid & 2)) { - fast_ata_pio: + if (ide_use_dma(drive) && scc_config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); + + if (ide_use_fast_pio(drive)) { hwif->tuneproc(drive, 4); hwif->ide_dma_off_quietly(drive); } diff --git a/include/linux/ide.h b/include/linux/ide.h index 40b5fa2f262..9e1a8b9ce18 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1352,6 +1352,7 @@ extern int ide_dma_enable(ide_drive_t *drive); 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 *); u8 ide_dump_status(ide_drive_t *, const char *, u8); -- 2.41.1