[Xen-devel] [RFC 08/29] build: convert HAS_NS16550 use to Kconfig

[Doug Goldstein <cardoe@xxxxxxxxxx>]

Use the Kconfig generated CONFIG_HAS_NS16550 defines in the code base.

Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
---
 xen/arch/x86/Kconfig      | 1 +
 xen/arch/x86/Rules.mk     | 1 -
 xen/drivers/Kconfig       | 2 ++
 xen/drivers/char/Kconfig  | 4 ++++
 xen/drivers/char/Makefile | 2 +-
 5 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 xen/drivers/char/Kconfig

diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
index d1d8f35..7296fbb 100644
--- a/xen/arch/x86/Kconfig
+++ b/xen/arch/x86/Kconfig
@@ -18,6 +18,7 @@ config X86
        def_bool y
        select HAS_PASSTHROUGH
        select HAS_PCI
+       select HAS_NS16550
        select HAS_GDBSX
 
 config ARCH_DEFCONFIG
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index 10cfb21..ae2929d 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -6,7 +6,6 @@ HAS_ACPI := y
 HAS_VGA  := y
 HAS_VIDEO  := y
 HAS_CPUFREQ := y
-HAS_NS16550 := y
 HAS_EHCI := y
 HAS_KEXEC := y
 HAS_GDBSX := y
diff --git a/xen/drivers/Kconfig b/xen/drivers/Kconfig
index 5362e41..fe6fcca 100644
--- a/xen/drivers/Kconfig
+++ b/xen/drivers/Kconfig
@@ -1,5 +1,7 @@
 menu "Device Drivers"
 
+source "drivers/char/Kconfig"
+
 source "drivers/passthrough/Kconfig"
 
 source "drivers/pci/Kconfig"
diff --git a/xen/drivers/char/Kconfig b/xen/drivers/char/Kconfig
new file mode 100644
index 0000000..ca7924f
--- /dev/null
+++ b/xen/drivers/char/Kconfig
@@ -0,0 +1,4 @@
+
+# Select HAS_NS16550 if a 16550 UART is supported
+config HAS_NS16550
+       bool
diff --git a/xen/drivers/char/Makefile b/xen/drivers/char/Makefile
index 47fc3f9..5e9d271 100644
--- a/xen/drivers/char/Makefile
+++ b/xen/drivers/char/Makefile
@@ -1,5 +1,5 @@
 obj-y += console.o
-obj-$(HAS_NS16550) += ns16550.o
+obj-$(CONFIG_HAS_NS16550) += ns16550.o
 obj-$(HAS_CADENCE_UART) += cadence-uart.o
 obj-$(HAS_PL011) += pl011.o
 obj-$(HAS_EXYNOS4210) += exynos4210-uart.o
-- 
2.4.9


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