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| author | Ben Collins <bcollins@ubuntu.com> | 2006-06-12 18:14:36 -0400 |
|---|---|---|
| committer | Ben Collins <bcollins@ubuntu.com> | 2006-06-12 18:14:36 -0400 |
| commit | bccbccdbf8f866a8e01967a48241db548e12adf2 (patch) | |
| tree | 0248baa7bbd23ba6c4b3afab8167ff187f60b698 /drivers/ieee1394 | |
| parent | d0aef39f9b5941beb322924986ddee8c4903cd72 (diff) | |
| download | blackbird-op-linux-bccbccdbf8f866a8e01967a48241db548e12adf2.tar.gz blackbird-op-linux-bccbccdbf8f866a8e01967a48241db548e12adf2.zip | |
sbp2: provide helptext for CONFIG_IEEE1394_SBP2_PHYS_DMA and mark it experimental
It appears I will not get it fixed overnight.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/Kconfig | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 39142e2f804b..06783c1e3dc5 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -128,8 +128,17 @@ config IEEE1394_SBP2 1394 bus. SBP-2 devices include harddrives and DVD devices. config IEEE1394_SBP2_PHYS_DMA - bool "Enable Phys DMA support for SBP2 (Debug)" - depends on IEEE1394 && IEEE1394_SBP2 + bool "Enable replacement for physical DMA in SBP2" + depends on IEEE1394 && IEEE1394_SBP2 && EXPERIMENTAL + help + This builds sbp2 for use with non-OHCI host adapters which do not + support physical DMA or for when ohci1394 is run with phys_dma=0. + Physical DMA is data movement without assistence of the drivers' + interrupt handlers. This option includes the interrupt handlers + that are required in absence of this hardware feature. + + This option is buggy and currently broken on some architectures. + If unsure, say N. config IEEE1394_ETH1394 tristate "Ethernet over 1394" |
