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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 06:20:44 +0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 06:20:44 +0400 |
commit | 19f71153b9be219756c6b2757921433a69b7975c (patch) | |
tree | cc2c5c290a88d61df16848f733aed8708e82c119 /drivers/ide/pci/alim15x3.c | |
parent | e6005a85acb9609326512ecc784859831cfb24a3 (diff) | |
parent | 8f4dd2e42637fd61a6366d2cace69091926eaa15 (diff) | |
download | linux-19f71153b9be219756c6b2757921433a69b7975c.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (24 commits)
ide: use only ->set_pio_mode method for programming PIO modes (take 2)
sis5513: don't change UDMA settings when programming PIO
it8213/piix/slc90e66: don't change DMA settings when programming PIO
alim15x3: PIO mode setup fixes
siimage: fix ->set_pio_mode method to select PIO data transfer
cs5520: don't enable VDMA in ->speedproc
sc1200: remove redundant warning message from sc1200_tune_chipset()
ide-pmac: PIO mode setup fixes (take 3)
icside: fix ->speedproc to return on unsupported modes (take 5)
sgiioc4: use ide_tune_dma()
amd74xx/via82cxxx: use ide_tune_dma()
ide: add ide_set{_max}_pio() (take 4)
ide: Kconfig face-lift
ide: move ide_rate_filter() calls to the upper layer (take 2)
sis5513: add ->udma_filter method for chipset_family >= ATA_133
ide: mode limiting fixes for user requested speed changes
ide: add missing ide_rate_filter() calls to ->speedproc()-s
ide: call udma_filter() before resorting to the UltraDMA mask
ide: make jmicron match vendor and device class
pdc202xx_new: switch to using pci_get_slot() (take 2)
...
Diffstat (limited to 'drivers/ide/pci/alim15x3.c')
-rw-r--r-- | drivers/ide/pci/alim15x3.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 20ebe3b7049c..d04b966b4347 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/alim15x3.c Version 0.25 Jun 9 2007 + * linux/drivers/ide/pci/alim15x3.c Version 0.26 Jul 14 2007 * * Copyright (C) 1998-2000 Michel Aubry, Maintainer * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer @@ -283,17 +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) */ /** - * ali15x3_tune_pio - set up chipset for PIO mode - * @drive: drive to tune - * @pio: desired mode - * - * Select the best PIO mode for the drive in question. - * Then program the controller for this mode. + * ali_tune_pio - set host controller for PIO mode + * @drive: drive + * @pio: PIO mode number * - * Returns the PIO mode programmed. + * Program the controller for the given PIO mode. */ - -static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) + +static void ali_tune_pio(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -306,7 +303,6 @@ static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) u8 cd_dma_fifo = 0; int unit = drive->select.b.unit & 1; - pio = ide_get_best_pio_mode(drive, pio, 5); s_time = ide_pio_timings[pio].setup_time; a_time = ide_pio_timings[pio].active_time; if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) @@ -359,22 +355,20 @@ static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) * { 25, 70, 25 }, PIO Mode 4 with IORDY ns * { 20, 50, 30 } PIO Mode 5 with IORDY (nonstandard) */ - - return pio; } /** - * ali15x3_tune_drive - set up drive for PIO mode + * ali_set_pio_mode - set up drive for PIO mode * @drive: drive to tune * @pio: desired mode * - * Program the controller with the best PIO timing for the given drive. + * Program the controller with the desired PIO timing for the given drive. * Then set up the drive itself. */ -static void ali15x3_tune_drive (ide_drive_t *drive, u8 pio) +static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) { - pio = ali15x3_tune_pio(drive, pio); + ali_tune_pio(drive, pio); (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); } @@ -409,22 +403,24 @@ static u8 ali_udma_filter(ide_drive_t *drive) /** * ali15x3_tune_chipset - set up chipset/drive for new speed * @drive: drive to configure for - * @xferspeed: desired speed + * @speed: desired speed * * 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, u8 xferspeed) + +static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; - u8 speed = ide_rate_filter(drive, xferspeed); u8 speed1 = speed; u8 unit = (drive->select.b.unit & 0x01); u8 tmpbyte = 0x00; int m5229_udma = (hwif->channel) ? 0x57 : 0x56; + if (speed < XFER_PIO_0) + return 1; + if (speed == XFER_UDMA_6) speed1 = 0x47; @@ -437,8 +433,9 @@ static int ali15x3_tune_chipset (ide_drive_t *drive, u8 xferspeed) tmpbyte &= ultra_enable; pci_write_config_byte(dev, m5229_udma, tmpbyte); - if (speed < XFER_SW_DMA_0) - (void) ali15x3_tune_pio(drive, speed - XFER_PIO_0); + /* + * FIXME: Oh, my... DMA timings are never set. + */ } else { pci_read_config_byte(dev, m5229_udma, &tmpbyte); tmpbyte &= (0x0f << ((1-unit) << 2)); @@ -471,7 +468,7 @@ static int ali15x3_config_drive_for_dma(ide_drive_t *drive) if (ide_tune_dma(drive)) return 0; - ali15x3_tune_drive(drive, 255); + ide_set_max_pio(drive); return -1; } @@ -701,7 +698,7 @@ static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif) static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif) { hwif->autodma = 0; - hwif->tuneproc = &ali15x3_tune_drive; + hwif->set_pio_mode = &ali_set_pio_mode; hwif->speedproc = &ali15x3_tune_chipset; hwif->udma_filter = &ali_udma_filter; |