From bccbccdbf8f866a8e01967a48241db548e12adf2 Mon Sep 17 00:00:00 2001 From: Ben Collins Date: Mon, 12 Jun 2006 18:14:36 -0400 Subject: 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 Signed-off-by: Ben Collins --- drivers/ieee1394/Kconfig | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers/ieee1394/Kconfig') diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 39142e2..06783c1 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" -- cgit v1.1