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[PATCH] IDE: claim extra DMA ports regardless of channel

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- Claim extra DMA I/O ports regardless of what IDE channels are
  present/enabled.

- Remove extra ports handling from ide_mapped_mmio_dma() since it's not
  applicable to the custom-mapping IDE drivers.

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 01:14:13 -07:00
committed by Linus Torvalds
parent bbb3bbdb0f
commit 020e322de3
3 changed files with 34 additions and 16 deletions
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4
include/linux/ide.h
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@@ -775,10 +775,12 @@ typedef struct hwif_s {
unsigned long dma_prdtable; /* actual prd table address */
unsigned long dma_base2; /* extended base addr for dma ports */
unsigned dma_extra; /* extra addr for dma ports */
unsigned long config_data; /* for use by chipset-specific code */
unsigned long select_data; /* for use by chipset-specific code */
unsigned long extra_base; /* extra addr for dma ports */
unsigned extra_ports; /* number of extra dma ports */
unsigned noprobe : 1; /* don't probe for this interface */
unsigned present : 1; /* this interface exists */
unsigned hold : 1; /* this interface is always present */