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[PATCH] IDE: always release DMA engine 

Release the DMA engine for the custom mapping IDE drivers also (for
example, siimage.c does allocate it in both I/O-mapped and custom-mapped
modes).  Remove useless code from the error path of
ide_allocate_dma_engine().

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Sergei Shtylylov 2006-10-03 01:14:14 -07:00 committed by Linus Torvalds
parent 020e322de3
commit dc844e0591
1 changed files with 7 additions and 9 deletions
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16
drivers/ide/ide-dma.c
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@ -809,15 +809,14 @@ static int ide_release_iomio_dma(ide_hwif_t *hwif)
/*
* Needed for allowing full modular support of ide-driver
*/
int ide_release_dma (ide_hwif_t *hwif)
int ide_release_dma(ide_hwif_t *hwif)
{
ide_release_dma_engine(hwif);
if (hwif->mmio == 2)
return 1;
if (hwif->chipset == ide_etrax100)
return 1;
ide_release_dma_engine(hwif);
return ide_release_iomio_dma(hwif);
else
return ide_release_iomio_dma(hwif);
}
static int ide_allocate_dma_engine(ide_hwif_t *hwif)
@ -829,10 +828,9 @@ static int ide_allocate_dma_engine(ide_hwif_t *hwif)
if (hwif->dmatable_cpu)
return 0;
printk(KERN_ERR "%s: -- Error, unable to allocate%s DMA table(s).\n",
hwif->cds->name, !hwif->dmatable_cpu ? " CPU" : "");
printk(KERN_ERR "%s: -- Error, unable to allocate DMA table.\n",
hwif->cds->name);
ide_release_dma_engine(hwif);
return 1;
}