summaryrefslogtreecommitdiff
path: root/drivers/ata/Kconfig
diff options
context:
space:
mode:
authorJeff Garzik <jeff@garzik.org>2008-04-17 15:55:24 -0400
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 15:55:24 -0400
commitf3360ebffae254ab99a64bf97c7b4f8380b1e114 (patch)
tree3cd8736f53f55a3c9524f81a4551e9469a714e87 /drivers/ata/Kconfig
parent4f7faa3f2b99f8fb246c8cdeef971e55ceda4e52 (diff)
[libata] improve Kconfig help text for new PMP, SFF options
Diffstat (limited to 'drivers/ata/Kconfig')
-rw-r--r--drivers/ata/Kconfig14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 3eb6035b61b8..292aa9a0f02f 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -45,7 +45,8 @@ config SATA_PMP
bool "SATA Port Multiplier support"
default y
help
- This option adds support for SATA Port Multipliers.
+ This option adds support for SATA Port Multipliers
+ (the SATA version of an ethernet hub, or SAS expander).
config SATA_AHCI
tristate "AHCI SATA support"
@@ -79,6 +80,17 @@ config ATA_SFF
This option adds support for ATA controllers with SFF
compliant or similar programming interface.
+ SFF is the legacy IDE interface that has been around since
+ the dawn of time. Almost all PATA controllers have an
+ SFF interface. Many SATA controllers have an SFF interface
+ when configured into a legacy compatibility mode.
+
+ For users with exclusively modern controllers like AHCI,
+ Silicon Image 3124, or Marvell 6440, you may choose to
+ disable this uneeded SFF support.
+
+ If unsure, say Y.
+
if ATA_SFF
config SATA_SVW