From 50876ead08531686275e6fe1999a2d80c7450d67 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 22 Jan 2018 16:27:33 +0100
Subject: [PATCH] i2c: Add a CONFIG_I2C master switch to the configuration
 files

The i2c core and the at24c EEPROM should only be compiled and linked
on the machines that support i2c. Otherwise it's quite strange to see
the at24c-eeprom to be "available" on qemu-system-s390x for example.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1516634853-15883-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 default-configs/arm-softmmu.mak         | 1 +
 default-configs/i386-softmmu.mak        | 1 +
 default-configs/mips-softmmu-common.mak | 1 +
 default-configs/ppc-softmmu.mak         | 1 +
 default-configs/ppcemb-softmmu.mak      | 1 +
 default-configs/x86_64-softmmu.mak      | 1 +
 hw/i2c/Makefile.objs                    | 2 +-
 hw/nvram/Makefile.objs                  | 2 +-
 8 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
index b0d6e65038..ca34cf4462 100644
--- a/default-configs/arm-softmmu.mak
+++ b/default-configs/arm-softmmu.mak
@@ -67,6 +67,7 @@ CONFIG_CADENCE=y
 CONFIG_XGMAC=y
 CONFIG_EXYNOS4=y
 CONFIG_PXA2XX=y
+CONFIG_I2C=y
 CONFIG_BITBANG_I2C=y
 CONFIG_FRAMEBUFFER=y
 CONFIG_XILINX_SPIPS=y
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index ac27700e79..3326e3e0bb 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -62,3 +62,4 @@ CONFIG_HYPERV_TESTDEV=$(CONFIG_KVM)
 CONFIG_PXB=y
 CONFIG_ACPI_VMGENID=y
 CONFIG_FW_CFG_DMA=y
+CONFIG_I2C=y
diff --git a/default-configs/mips-softmmu-common.mak b/default-configs/mips-softmmu-common.mak
index 7d8f5db983..e31f046b3b 100644
--- a/default-configs/mips-softmmu-common.mak
+++ b/default-configs/mips-softmmu-common.mak
@@ -34,3 +34,4 @@ CONFIG_ISA_TESTDEV=y
 CONFIG_EMPTY_SLOT=y
 CONFIG_MIPS_CPS=y
 CONFIG_MIPS_ITU=y
+CONFIG_I2C=y
diff --git a/default-configs/ppc-softmmu.mak b/default-configs/ppc-softmmu.mak
index 3baed6a8fd..65680d85bc 100644
--- a/default-configs/ppc-softmmu.mak
+++ b/default-configs/ppc-softmmu.mak
@@ -23,6 +23,7 @@ CONFIG_PLATFORM_BUS=y
 CONFIG_ETSEC=y
 CONFIG_SM501=y
 CONFIG_IDE_SII3112=y
+CONFIG_I2C=y
 
 # For Macs
 CONFIG_MAC=y
diff --git a/default-configs/ppcemb-softmmu.mak b/default-configs/ppcemb-softmmu.mak
index 5db4618a5a..bc5e1b3ffe 100644
--- a/default-configs/ppcemb-softmmu.mak
+++ b/default-configs/ppcemb-softmmu.mak
@@ -17,3 +17,4 @@ CONFIG_XILINX=y
 CONFIG_XILINX_ETHLITE=y
 CONFIG_SM501=y
 CONFIG_IDE_SII3112=y
+CONFIG_I2C=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index b2104ade19..1c6cda1d9a 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -62,3 +62,4 @@ CONFIG_HYPERV_TESTDEV=$(CONFIG_KVM)
 CONFIG_PXB=y
 CONFIG_ACPI_VMGENID=y
 CONFIG_FW_CFG_DMA=y
+CONFIG_I2C=y
diff --git a/hw/i2c/Makefile.objs b/hw/i2c/Makefile.objs
index 0594dea3ae..37cacde978 100644
--- a/hw/i2c/Makefile.objs
+++ b/hw/i2c/Makefile.objs
@@ -1,4 +1,4 @@
-common-obj-y += core.o smbus.o smbus_eeprom.o
+common-obj-$(CONFIG_I2C) += core.o smbus.o smbus_eeprom.o
 common-obj-$(CONFIG_DDC) += i2c-ddc.o
 common-obj-$(CONFIG_VERSATILE_I2C) += versatile_i2c.o
 common-obj-$(CONFIG_ACPI_X86) += smbus_ich9.o
diff --git a/hw/nvram/Makefile.objs b/hw/nvram/Makefile.objs
index 0f4ee71dcb..a912d25391 100644
--- a/hw/nvram/Makefile.objs
+++ b/hw/nvram/Makefile.objs
@@ -1,6 +1,6 @@
 common-obj-$(CONFIG_DS1225Y) += ds1225y.o
 common-obj-y += eeprom93xx.o
-common-obj-y += eeprom_at24c.o
+common-obj-$(CONFIG_I2C) += eeprom_at24c.o
 common-obj-y += fw_cfg.o
 common-obj-y += chrp_nvram.o
 common-obj-$(CONFIG_MAC_NVRAM) += mac_nvram.o