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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 22:25:21 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 22:25:21 +0200 |
| commit | 63158d5c217e2e62665ae9b10d203bd7da817108 (patch) | |
| tree | dc98e5f2b66d26f6aeb8405e8c47ea49ea784f1a /drivers/ide/setup-pci.c | |
| parent | d54452fbf84500eff77a55a2061f4669441d2cc3 (diff) | |
| download | kernel_samsung_smdk4412-63158d5c217e2e62665ae9b10d203bd7da817108.zip kernel_samsung_smdk4412-63158d5c217e2e62665ae9b10d203bd7da817108.tar.gz kernel_samsung_smdk4412-63158d5c217e2e62665ae9b10d203bd7da817108.tar.bz2 | |
ide: cleanup ide_setup_dma()
* There is no need to call ide_release_dma_engine().
* Move the code up to (and including) ide_allocate_dma_engine()
call to the callers of ide_setup_dma().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/setup-pci.c')
| -rw-r--r-- | drivers/ide/setup-pci.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index bf28970..5006ea9 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -367,15 +367,24 @@ void ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d) if ((d->host_flags & IDE_HFLAG_NO_AUTODMA) == 0 || ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 0x80))) { - unsigned long dma_base = ide_get_or_set_dma_base(d, hwif); + unsigned long base = ide_get_or_set_dma_base(d, hwif); - if (dma_base == 0 || ide_pci_set_master(dev, d->name) < 0) + if (base == 0 || ide_pci_set_master(dev, d->name) < 0) goto out_disabled; if (d->init_dma) - d->init_dma(hwif, dma_base); + d->init_dma(hwif, base); - ide_setup_dma(hwif, dma_base); + if (hwif->mmio) + printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); + else + printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", + hwif->name, base, base + 7); + + hwif->extra_base = base + (hwif->channel ? 8 : 16); + + if (ide_allocate_dma_engine(hwif) == 0) + ide_setup_dma(hwif, base); } return; |