diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-19 16:31:22 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-19 16:31:22 -0700 |
commit | 64fb98fc40738ae1a98bcea9ca3145b89fb71524 (patch) | |
tree | 24130f9c56b04638e91969d216db199652470a17 /drivers/ide/pci/sl82c105.c | |
parent | 5f47c7eac65a45e33d7fe390effe75ec5c74f8bf (diff) | |
parent | 89636af25d75d8672aea05d258be357d0dc4bd70 (diff) |
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: (23 commits)
ide: add support for SCSI ioctls to ide-floppy
ide: remove stale changelog from setup-pci.c
ide: remove stale changelog/comments/TODO from ide.c
ide-cris: handle PIO auto-tuning in tune_cris_ide()
ide: add PIO masks
ide: remove ide_find_best_pio_mode()
ide: drop "PIO data" argument from ide_get_best_pio_mode()
ide: ide_find_best_pio_mode() fixes (take 2)
ide: add ide_pio_cycle_time() helper (take 2)
sc1200: remove stale Power Management code
ide: ide_start_power_step() fix WRT disabling DMA
serverworks: fix DMA
serverworks: always tune PIO
ide: add ide_pci_device_t.host_flags (take 2)
ide: add ide_dev_has_iordy() helper (take 4)
ide: make ide_get_best_pio_mode() print info if overriding PIO mode
siimage: PIO mode setup fixes (take 2)
atiixp: PIO mode setup fixes
ide: Stop mapping ROMs
IDE: Remove references to dead ETRAX-related variables.
...
Diffstat (limited to 'drivers/ide/pci/sl82c105.c')
-rw-r--r-- | drivers/ide/pci/sl82c105.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index a7323d278c49..0947cab00595 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -52,12 +52,13 @@ * Convert a PIO mode and cycle time to the required on/off times * for the interface. This has protection against runaway timings. */ -static unsigned int get_pio_timings(ide_pio_data_t *p) +static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio) { unsigned int cmd_on, cmd_off; + u8 iordy = 0; - cmd_on = (ide_pio_timings[p->pio_mode].active_time + 29) / 30; - cmd_off = (p->cycle_time - 30 * cmd_on + 29) / 30; + cmd_on = (ide_pio_timings[pio].active_time + 29) / 30; + cmd_off = (ide_pio_cycle_time(drive, pio) - 30 * cmd_on + 29) / 30; if (cmd_on == 0) cmd_on = 1; @@ -65,7 +66,10 @@ static unsigned int get_pio_timings(ide_pio_data_t *p) if (cmd_off == 0) cmd_off = 1; - return (cmd_on - 1) << 8 | (cmd_off - 1) | (p->use_iordy ? 0x40 : 0x00); + if (pio > 2 || ide_dev_has_iordy(drive->id)) + iordy = 0x40; + + return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy; } /* @@ -75,14 +79,13 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) { struct pci_dev *dev = HWIF(drive)->pci_dev; int reg = 0x44 + drive->dn * 4; - ide_pio_data_t p; u16 drv_ctrl; DBG(("sl82c105_tune_pio(drive:%s, pio:%u)\n", drive->name, pio)); - pio = ide_get_best_pio_mode(drive, pio, 5, &p); + pio = ide_get_best_pio_mode(drive, pio, 5); - drv_ctrl = get_pio_timings(&p); + drv_ctrl = get_pio_timings(drive, pio); /* * Store the PIO timings so that we can restore them @@ -101,7 +104,8 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) } printk(KERN_DEBUG "%s: selected %s (%dns) (%04X)\n", drive->name, - ide_xfer_verbose(pio + XFER_PIO_0), p.cycle_time, drv_ctrl); + ide_xfer_verbose(pio + XFER_PIO_0), + ide_pio_cycle_time(drive, pio), drv_ctrl); return pio; } @@ -449,10 +453,10 @@ static ide_pci_device_t sl82c105_chipset __devinitdata = { .name = "W82C105", .init_chipset = init_chipset_sl82c105, .init_hwif = init_hwif_sl82c105, - .channels = 2, .autodma = NOAUTODMA, .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}}, .bootable = ON_BOARD, + .pio_mask = ATA_PIO5, }; static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id) |