[2.6 patch] SCSI_SATA has to be a tristate

[Adrian Bunk]

SCSI=m must disallow static drivers.

The problem is that all the SATA drivers depend on SCSI_SATA.

With SCSI=m and SCSI_SATA=y this allows the static enabling of the SATA
drivers with unwanted effects, e.g.:
- SCSI=m, SCSI_SATA=y, SCSI_ATA_ADMA=y
  -> SCSI_ATA_ADMA is built statically but scsi/built-in.o is not linked
     into the kernel
- SCSI=m, SCSI_SATA=y, SCSI_ATA_ADMA=y, SCSI_SATA_AHCI=m
  -> SCSI_ATA_ADMA and libata are built statically but
     scsi/built-in.o is not linked into the kernel,
     SCSI_SATA_AHCI is built modular (unresolved symbols due to missing
                                      libata)

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

---

This patch was already sent on:
- 8 Jul 2005
- 2 Jul 2005

--- linux-2.6.13-rc1-mm1/drivers/scsi/Kconfig.old	2005-07-02 21:57:40.000000000 +0200
+++ linux-2.6.13-rc1-mm1/drivers/scsi/Kconfig	2005-07-02 21:58:06.000000000 +0200
@@ -447,7 +447,7 @@
 source "drivers/scsi/megaraid/Kconfig.megaraid"
 
 config SCSI_SATA
-	bool "Serial ATA (SATA) support"
+	tristate "Serial ATA (SATA) support"
 	depends on SCSI
 	help
 	  This driver family supports Serial ATA host controllers
k
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