diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-26 13:44:19 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-26 13:44:19 -0700 |
commit | a52b0d25a722e84da999005b75f972aa4824253c (patch) | |
tree | 4a3a48305f744e6bde2e3fd663a4473dd712049c /drivers/ide/pci/cmd640.c | |
parent | 539a5fe22620a1665cce504167953a71a43232ad (diff) | |
parent | f37afdaca711838b50ecd89b9c15fc745270d77c (diff) |
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: (46 commits)
ide: constify struct ide_dma_ops
ide: add struct ide_dma_ops (take 3)
ide: add IDE_HFLAG_SERIALIZE_DMA host flag
sl82c105: check bridge revision in sl82c105_init_one()
au1xxx-ide: use ->init_dma method
palm_bk3710: use ->init_dma method
sgiioc4: use ->init_dma method
icside: use ->init_dma method
ide-pmac: use ->init_dma method
ide: do complete DMA setup in ->init_dma method (take 2)
au1xxx-ide: fix MWDMA support
ide: cleanup ide_setup_dma()
ide: factor out setting PCI bus-mastering from ide_hwif_setup_dma()
ide: export ide_allocate_dma_engine()
ide: move ide_setup_dma() call out from ->init_dma method
alim15x3: skip DMA initialization completely on revs < 0x20
pdc202xx_old: remove init_dma_pdc202xx()
ide: don't display "BIOS" settings in ide_setup_dma()
ide: remove ->cds field from ide_hwif_t (take 2)
ide: remove ide_dma_iobase()
...
Diffstat (limited to 'drivers/ide/pci/cmd640.c')
-rw-r--r-- | drivers/ide/pci/cmd640.c | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index b076dbfc43a..25c2f1bd175 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -109,6 +109,8 @@ #include <asm/io.h> +#define DRV_NAME "cmd640" + /* * This flag is set in ide.c by the parameter: ide0=cmd640_vlb */ @@ -633,6 +635,9 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio) display_clocks(index); } +static const struct ide_port_ops cmd640_port_ops = { + .set_pio_mode = cmd640_set_pio_mode, +}; #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ static int pci_conf1(void) @@ -678,10 +683,29 @@ static const struct ide_port_info cmd640_port_info __initdata = { IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_ABUSE_FAST_DEVSEL, #ifdef CONFIG_BLK_DEV_CMD640_ENHANCED + .port_ops = &cmd640_port_ops, .pio_mask = ATA_PIO5, #endif }; +static int cmd640x_init_one(unsigned long base, unsigned long ctl) +{ + if (!request_region(base, 8, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", + DRV_NAME, base, base + 7); + return -EBUSY; + } + + if (!request_region(ctl, 1, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", + DRV_NAME, ctl); + release_region(base, 8); + return -EBUSY; + } + + return 0; +} + /* * Probe for a cmd640 chipset, and initialize it if found. */ @@ -690,7 +714,7 @@ static int __init cmd640x_init(void) #ifdef CONFIG_BLK_DEV_CMD640_ENHANCED int second_port_toggled = 0; #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - int second_port_cmd640 = 0; + int second_port_cmd640 = 0, rc; const char *bus_type, *port2; unsigned int index; u8 b, cfr; @@ -734,6 +758,17 @@ static int __init cmd640x_init(void) return 0; } + rc = cmd640x_init_one(0x1f0, 0x3f6); + if (rc) + return rc; + + rc = cmd640x_init_one(0x170, 0x376); + if (rc) { + release_region(0x3f6, 1); + release_region(0x1f0, 8); + return rc; + } + memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw[0], 0x1f0, 0x3f6); @@ -752,10 +787,6 @@ static int __init cmd640x_init(void) */ if (cmd_hwif0) { ide_init_port_hw(cmd_hwif0, &hw[0]); -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - cmd_hwif0->set_pio_mode = &cmd640_set_pio_mode; -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - idx[0] = cmd_hwif0->index; } @@ -808,10 +839,6 @@ static int __init cmd640x_init(void) */ if (second_port_cmd640 && cmd_hwif1) { ide_init_port_hw(cmd_hwif1, &hw[1]); -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - cmd_hwif1->set_pio_mode = &cmd640_set_pio_mode; -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - idx[1] = cmd_hwif1->index; } printk(KERN_INFO "cmd640: %sserialized, secondary interface %s\n", |