cxl/Kconfig: Default drivers to CONFIG_CXL_BUS

CONFIG_CXL_BUS is default 'n' as expected for new functionality. When
that is enabled do not make the end user hunt for all the expected
sub-options to enable. For example CONFIG_CXL_BUS without CONFIG_CXL_MEM
is an odd/expert configuration, so is CONFIG_CXL_MEM without
CONFIG_CXL_ACPI (on ACPI capable platforms). Default CONFIG_CXL_MEM and
CONFIG_CXL_ACPI to CONFIG_CXL_BUS.

Acked-by: Ben Widawsky <ben.widawsky@intel.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162325450105.2293126.17046356425194082921.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index d2573f6aef91118955fbd33d5cb362b19774d31d..1a44b173dcbc9a4a8a7b3189c0969f46ef334873 100644 (file)
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -15,6 +15,7 @@ if CXL_BUS
 
 config CXL_MEM
        tristate "CXL.mem: Memory Devices"
+       default CXL_BUS
        help
          The CXL.mem protocol allows a device to act as a provider of
          "System RAM" and/or "Persistent Memory" that is fully coherent
@@ -49,6 +50,7 @@ config CXL_MEM_RAW_COMMANDS
 config CXL_ACPI
        tristate "CXL ACPI: Platform Support"
        depends on ACPI
+       default CXL_BUS
        help
          Enable support for host managed device memory (HDM) resources
          published by a platform's ACPI CXL memory layout description.  See