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authorSergei Shtylylov <sshtylyov@ru.mvista.com>2006-10-03 12:14:14 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 19:04:07 +0400
commitdc844e05913b84d09e86d88c0f861ef0afbee2fd (patch)
tree59386fc160b2074fb282e1c56998c6a8f32291f4 /drivers/ide
parent020e322de3ff75d32daa58e431aad07071da27c6 (diff)
downloadlinux-dc844e05913b84d09e86d88c0f861ef0afbee2fd.tar.xz
[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>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-dma.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 9937fa7da546..22ef73eb1f68 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -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;
}