[Qemu-trivial] [PATCH 1/4] hw/core: Add a config switch for the "register" device

[Thomas Huth <thuth@redhat.com>]

The "register" device is only used by certain machines. Let's add
a proper config switch for it so that it only gets compiled when we
really need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 hw/core/Kconfig       | 3 +++
 hw/core/Makefile.objs | 2 +-
 hw/dma/Kconfig        | 1 +
 hw/timer/Kconfig      | 1 +
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/hw/core/Kconfig b/hw/core/Kconfig
index c2a1ae8122..d11920fcb3 100644
--- a/hw/core/Kconfig
+++ b/hw/core/Kconfig
@@ -9,3 +9,6 @@ config FITLOADER
 
 config PLATFORM_BUS
     bool
+
+config REGISTER
+    bool
diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs
index a799c83815..d493a051ee 100644
--- a/hw/core/Makefile.objs
+++ b/hw/core/Makefile.objs
@@ -16,7 +16,7 @@ common-obj-$(CONFIG_SOFTMMU) += machine.o
 common-obj-$(CONFIG_SOFTMMU) += loader.o
 common-obj-$(CONFIG_FITLOADER) += loader-fit.o
 common-obj-$(CONFIG_SOFTMMU) += qdev-properties-system.o
-common-obj-$(CONFIG_SOFTMMU) += register.o
+common-obj-$(CONFIG_REGISTER) += register.o
 common-obj-$(CONFIG_SOFTMMU) += or-irq.o
 common-obj-$(CONFIG_SOFTMMU) += split-irq.o
 common-obj-$(CONFIG_PLATFORM_BUS) += platform-bus.o
diff --git a/hw/dma/Kconfig b/hw/dma/Kconfig
index 751dec5426..5c61b67bc0 100644
--- a/hw/dma/Kconfig
+++ b/hw/dma/Kconfig
@@ -16,6 +16,7 @@ config I8257
 
 config ZYNQ_DEVCFG
     bool
+    select REGISTER
 
 config STP2000
     bool
diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
index 51921eb63f..f575481210 100644
--- a/hw/timer/Kconfig
+++ b/hw/timer/Kconfig
@@ -36,6 +36,7 @@ config TWL92230
 
 config XLNX_ZYNQMP
     bool
+    select REGISTER
 
 config ALTERA_TIMER
     bool
-- 
2.21.0