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SubjectRe: MPT2SAS boot fail... due to silently loosing the driver
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>>>>> "Peter" == Peter Zijlstra <peterz@infradead.org> writes:

Peter> Please either create a fake MPT2SAS config that selects the
Peter> MPT3SAS driver, or rename the whole thing to MPT23SAS such that
Peter> we at least get a relevant question on oldconfig.

Sorry about that, Peter.

I get bitten by oldconfig all the time so I have a script to manage all
my configs. But it it would be nice if we had a way to express config
options transitions in kbuild.

I guess we could do something like the following and let it sit for a
release cycle to help people transition. Bit of a hack, but it worked
for me in my quick testing...

--
Martin K. Petersen Oracle Linux Engineering

diff --git a/drivers/scsi/mpt3sas/Kconfig b/drivers/scsi/mpt3sas/Kconfig
index 29061467cc17..901c97f1e368 100644
--- a/drivers/scsi/mpt3sas/Kconfig
+++ b/drivers/scsi/mpt3sas/Kconfig
@@ -48,6 +48,13 @@ config SCSI_MPT3SAS
---help---
This driver supports PCI-Express SAS 12Gb/s Host Adapters.

+config SCSI_MPT2SAS
+ tristate
+ default n
+ select SCSI_MPT3SAS
+ ---help---
+ Dummy config option for backwards compatiblity.
+
config SCSI_MPT2SAS_MAX_SGE
int "LSI MPT Fusion SAS 2.0 Max number of SG Entries (16 - 256)"
depends on PCI && SCSI && SCSI_MPT3SAS


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