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x86: Fix xen serial console by removing conflicting PATA driver

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The Xen serial console has been broken since the xen_domu subtarget
was merged in the generic x86 subtarget (commits 296772f9 and b36e24f3).

The reason for the broken serial console seems to be an IRQ conflict
between the serial console driver and the PATA_LEGACY driver:

[    1.330125] genirq: Flags mismatch irq 8. 00000000 (hvc_console) vs. 00000000 (platform[pata_legacy.4])
[    1.330134] hvc_open: request_irq failed with rc -16.
[    1.330148] Warning: unable to open an initial console.

Just drop the PATA_LEGACY driver from the x86/generic and x86_64
subtargets, since this driver is marked experimental and only supports
very old ISA devices anyway.  It is still included in the x86/legacy
subtarget where it rightfully belongs.

Fixes: FS#787

Signed-off-by: Baptiste Jonglez <git@bitsofnetworks.org>
This commit is contained in:
Baptiste Jonglez 2017-07-15 22:57:54 +02:00 committed by Felix Fietkau
parent f52b404aee
commit da0219ed9f
2 changed files with 0 additions and 2 deletions
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1
target/linux/x86/64/config-default
View File

@ -204,7 +204,6 @@ CONFIG_PARAVIRT_SPINLOCKS=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PATA_AMD=y
CONFIG_PATA_ATIIXP=y
CONFIG_PATA_LEGACY=y
CONFIG_PATA_MPIIX=y
CONFIG_PATA_OLDPIIX=y
CONFIG_PATA_PLATFORM=y

1
target/linux/x86/generic/config-default
View File

@ -260,7 +260,6 @@ CONFIG_PARAVIRT_SPINLOCKS=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PATA_AMD=y
CONFIG_PATA_ATIIXP=y
CONFIG_PATA_LEGACY=y
CONFIG_PATA_MPIIX=y
CONFIG_PATA_OLDPIIX=y
CONFIG_PATA_PLATFORM=y