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* [PATCH] hw/isa: Introduce a CONFIG_ISA_SUPERIO switch for isa-superio.c
@ 2019-09-30 15:04 Thomas Huth
  2019-09-30 17:19 ` no-reply
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Thomas Huth @ 2019-09-30 15:04 UTC (permalink / raw)
  To: Paolo Bonzini, qemu-devel, Michael S . Tsirkin
  Cc: qemu-trivial, Aleksandar Rikalo, Hervé Poussineau,
	Aleksandar Markovic, Aurelien Jarno, Richard Henderson

Currently, isa-superio.c is always compiled as soon as CONFIG_ISA_BUS
is enabled. But there are also machines that have an ISA BUS without
any of the superio chips attached to it, so we should not compile
isa-superio.c in case we only compile a QEMU for such a machine.
Thus add a proper CONFIG_ISA_SUPERIO switch so that this file only gets
compiled when we really, really need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 hw/isa/Kconfig       | 10 +++++++---
 hw/isa/Makefile.objs |  2 +-
 hw/mips/Kconfig      |  1 +
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/hw/isa/Kconfig b/hw/isa/Kconfig
index 6db0d7970c..98a289957e 100644
--- a/hw/isa/Kconfig
+++ b/hw/isa/Kconfig
@@ -13,9 +13,13 @@ config I82378
     select MC146818RTC
     select PCSPK
 
-config PC87312
+config ISA_SUPERIO
     bool
     select ISA_BUS
+
+config PC87312
+    bool
+    select ISA_SUPERIO
     select I8259
     select I8254
     select I8257
@@ -34,14 +38,14 @@ config PIIX4
 
 config VT82C686
     bool
-    select ISA_BUS
+    select ISA_SUPERIO
     select ACPI_SMBUS
     select SERIAL_ISA
     select FDC
 
 config SMC37C669
     bool
-    select ISA_BUS
+    select ISA_SUPERIO
     select SERIAL_ISA
     select PARALLEL
     select FDC
diff --git a/hw/isa/Makefile.objs b/hw/isa/Makefile.objs
index 9e106df186..ff97485504 100644
--- a/hw/isa/Makefile.objs
+++ b/hw/isa/Makefile.objs
@@ -1,5 +1,5 @@
 common-obj-$(CONFIG_ISA_BUS) += isa-bus.o
-common-obj-$(CONFIG_ISA_BUS) += isa-superio.o
+common-obj-$(CONFIG_ISA_SUPERIO) += isa-superio.o
 common-obj-$(CONFIG_APM) += apm.o
 common-obj-$(CONFIG_I82378) += i82378.o
 common-obj-$(CONFIG_PC87312) += pc87312.o
diff --git a/hw/mips/Kconfig b/hw/mips/Kconfig
index 62aa01b29e..2c2adbc42a 100644
--- a/hw/mips/Kconfig
+++ b/hw/mips/Kconfig
@@ -13,6 +13,7 @@ config R4K
 
 config MALTA
     bool
+    select ISA_SUPERIO
 
 config MIPSSIM
     bool
-- 
2.18.1



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2019-09-30 15:04 [PATCH] hw/isa: Introduce a CONFIG_ISA_SUPERIO switch for isa-superio.c Thomas Huth
2019-09-30 17:19 ` no-reply
2019-10-01  9:10 ` Philippe Mathieu-Daudé
2019-10-01  9:17 ` Paolo Bonzini

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