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 Index: linux/drivers/ieee1394/Kconfig =================================================================== --- linux.orig/drivers/ieee1394/Kconfig 2006-04-23 17:49:58.000000000 +0200 +++ linux/drivers/ieee1394/Kconfig 2006-05-01 02:00:49.000000000 +0200 @@ -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"