Commit f3360ebf authored by Jeff Garzik's avatar Jeff Garzik Committed by Jeff Garzik

[libata] improve Kconfig help text for new PMP, SFF options

parent 4f7faa3f
......@@ -45,7 +45,8 @@ config SATA_PMP
bool "SATA Port Multiplier support"
default y
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.
config SATA_SVW
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