diff options
Diffstat (limited to 'drivers/ide/Kconfig')
-rw-r--r-- | drivers/ide/Kconfig | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index a34758d2951..8e93a797c93 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -242,7 +242,7 @@ config BLK_DEV_IDEFLOPPY module will be called ide-floppy. config BLK_DEV_IDESCSI - tristate "SCSI emulation support" + tristate "SCSI emulation support (DEPRECATED)" depends on SCSI select IDE_ATAPI ---help--- @@ -255,20 +255,6 @@ config BLK_DEV_IDESCSI and will allow you to use a SCSI device driver instead of a native ATAPI driver. - This is useful if you have an ATAPI device for which no native - driver has been written (for example, an ATAPI PD-CD drive); - you can then use this emulation together with an appropriate SCSI - device driver. In order to do this, say Y here and to "SCSI support" - and "SCSI generic support", below. You must then provide the kernel - command line "hdx=ide-scsi" (try "man bootparam" or see the - documentation of your boot loader (lilo or loadlin) about how to - pass options to the kernel at boot time) for devices if you want the - native EIDE sub-drivers to skip over the native support, so that - this SCSI emulation can be used instead. - - Note that this option does NOT allow you to attach SCSI devices to a - box that doesn't have a SCSI host adapter installed. - If both this SCSI emulation and native ATAPI support are compiled into the kernel, the native support will be used. @@ -306,6 +292,20 @@ config IDE_GENERIC tristate "generic/default IDE chipset support" depends on ALPHA || X86 || IA64 || M32R || MIPS help + This is the generic IDE driver. This driver attaches to the + fixed legacy ports (e.g. on PCs 0x1f0/0x170, 0x1e8/0x168 and + so on). Please note that if this driver is built into the + kernel or loaded before other ATA (IDE or libata) drivers + and the controller is located at legacy ports, this driver + may grab those ports and thus can prevent the controller + specific driver from attaching. + + Also, currently, IDE generic doesn't allow IRQ sharing + meaning that the IRQs it grabs won't be available to other + controllers sharing those IRQs which usually makes drivers + for those controllers fail. Generally, it's not a good idea + to load IDE generic driver on modern systems. + If unsure, say N. config BLK_DEV_PLATFORM |