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Subject[PATCH] libata: fix broken Kconfig setup

The patch described in commit faa725332f39329288f52b7f872ffda866ba5b09
> [PATCH] SCSI_SATA has to be a tristate

causes the PCI quirk in drivers/pci/quirk.c (quirk_intel_ide_combined)
to disappear, unless CONFIG_SCSI_SATA==y. This, in turn, causes all
manner of booting and interaction problems between the IDE driver and
libata.

CONFIG_SCSI_SATA is truly a boolean option, not a tristate.
Since the Kconfig dependencies are insufficient to describe this (2.4
had dep_mbool), we need to resort to 'if'.

This fix is twofold:
1) Fix IDE/libata conflict by ensuring that CONFIG_SCSI_SATA symbol
always exists (rather than bothering with CONFIG_SCSI_SATA_MODULE).
2) Restore CONFIG_SCSI_SATA's rightful boolean status, and employ
'if' to obtain the proper menu behavior.

Please apply, so that people cursed with PATA/SATA "combined mode"
can have a working configuration again.


diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -437,7 +437,7 @@ config SCSI_IN2000
source "drivers/scsi/megaraid/Kconfig.megaraid"

config SCSI_SATA
- tristate "Serial ATA (SATA) support"
+ bool "Serial ATA (SATA) support"
depends on SCSI
help
This driver family supports Serial ATA host controllers
@@ -445,9 +445,11 @@ config SCSI_SATA

If unsure, say N.

+if SCSI_SATA
+
config SCSI_SATA_AHCI
tristate "AHCI SATA support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for AHCI Serial ATA.

@@ -455,7 +457,7 @@ config SCSI_SATA_AHCI

config SCSI_SATA_SVW
tristate "ServerWorks Frodo / Apple K2 SATA support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for Broadcom/Serverworks/Apple K2
SATA support.
@@ -464,7 +466,7 @@ config SCSI_SATA_SVW

config SCSI_ATA_PIIX
tristate "Intel PIIX/ICH SATA support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for ICH5 Serial ATA.
If PATA support was enabled previously, this enables
@@ -474,7 +476,7 @@ config SCSI_ATA_PIIX

config SCSI_SATA_MV
tristate "Marvell SATA support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for the Marvell Serial ATA family.
Currently supports 88SX[56]0[48][01] chips.
@@ -483,7 +485,7 @@ config SCSI_SATA_MV

config SCSI_SATA_NV
tristate "NVIDIA SATA support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for NVIDIA Serial ATA.

@@ -491,7 +493,7 @@ config SCSI_SATA_NV

config SCSI_SATA_PROMISE
tristate "Promise SATA TX2/TX4 support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for Promise Serial ATA TX2/TX4.

@@ -499,7 +501,7 @@ config SCSI_SATA_PROMISE

config SCSI_SATA_QSTOR
tristate "Pacific Digital SATA QStor support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for Pacific Digital Serial ATA QStor.

@@ -507,7 +509,7 @@ config SCSI_SATA_QSTOR

config SCSI_SATA_SX4
tristate "Promise SATA SX4 support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for Promise Serial ATA SX4.

@@ -515,7 +517,7 @@ config SCSI_SATA_SX4

config SCSI_SATA_SIL
tristate "Silicon Image SATA support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for Silicon Image Serial ATA.

@@ -523,7 +525,7 @@ config SCSI_SATA_SIL

config SCSI_SATA_SIS
tristate "SiS 964/180 SATA support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for SiS Serial ATA 964/180.

@@ -531,7 +533,7 @@ config SCSI_SATA_SIS

config SCSI_SATA_ULI
tristate "ULi Electronics SATA support"
- depends on SCSI_SATA && PCI && EXPERIMENTAL
+ depends on SCSI && PCI && EXPERIMENTAL
help
This option enables support for ULi Electronics SATA.

@@ -539,7 +541,7 @@ config SCSI_SATA_ULI

config SCSI_SATA_VIA
tristate "VIA SATA support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for VIA Serial ATA.

@@ -547,12 +549,14 @@ config SCSI_SATA_VIA

config SCSI_SATA_VITESSE
tristate "VITESSE VSC-7174 SATA support"
- depends on SCSI_SATA && PCI
+ depends on SCSI && PCI
help
This option enables support for Vitesse VSC7174 Serial ATA.

If unsure, say N.

+endif # if SCSI_SATA
+
config SCSI_BUSLOGIC
tristate "BusLogic SCSI support"
depends on (PCI || ISA || MCA) && SCSI && ISA_DMA_API
-
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