cxl/acpi: Autoload driver for 'cxl_acpi' test devices

In support of CXL unit tests in the ndctl project, arrange for the
cxl_acpi driver to load in response to the registration of cxl_test
devices.

Reported-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/165853775783.2430596.13637998086505316619.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 64004eb..eb43626 100644 (file)
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -515,12 +515,19 @@ static const struct acpi_device_id cxl_acpi_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, cxl_acpi_ids);
 
+static const struct platform_device_id cxl_test_ids[] = {
+       { "cxl_acpi" },
+       { },
+};
+MODULE_DEVICE_TABLE(platform, cxl_test_ids);
+
 static struct platform_driver cxl_acpi_driver = {
        .probe = cxl_acpi_probe,
        .driver = {
                .name = KBUILD_MODNAME,
                .acpi_match_table = cxl_acpi_ids,
        },
+       .id_table = cxl_test_ids,
 };
 
 module_platform_driver(cxl_acpi_driver);