linux-kernel - [PATCH 1/2] platform/chrome: merge Kunit utils and test cases

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Date:   Wed, 20 Jul 2022 04:47:53 +0000
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     bleung@...omium.org, groeck@...omium.org
Cc:     chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
        tzungbi@...nel.org
Subject: [PATCH 1/2] platform/chrome: merge Kunit utils and test cases

Merge CROS_KUNIT and CROS_EC_PROTO_KUNIT_TEST so that when they're built
as modules cros_kunit_util doesn't need to export the symbols.

Signed-off-by: Tzung-Bi Shih <tzungbi@...nel.org>
---
 drivers/platform/chrome/Kconfig           | 10 ++--------
 drivers/platform/chrome/Makefile          |  5 +++--
 drivers/platform/chrome/cros_kunit_util.c | 14 --------------
 3 files changed, 5 insertions(+), 24 deletions(-)

diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index cae859f0bc06..c45fb376d653 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -269,17 +269,11 @@ source "drivers/platform/chrome/wilco_ec/Kconfig"
 
 # Kunit test cases
 config CROS_KUNIT
-	tristate
-	help
-	  ChromeOS Kunit.
-
-config CROS_EC_PROTO_KUNIT_TEST
-	tristate "Kunit tests for ChromeOS EC protocol" if !KUNIT_ALL_TESTS
+	tristate "Kunit tests for ChromeOS" if !KUNIT_ALL_TESTS
 	depends on KUNIT && CROS_EC
 	default KUNIT_ALL_TESTS
 	select CROS_EC_PROTO
-	select CROS_KUNIT
 	help
-	  Kunit tests for the ChromeOS Embedded Controller protocol.
+	  ChromeOS Kunit tests.
 
 endif # CHROMEOS_PLATFORMS
diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
index a06bc56d12a8..f7e74a845afc 100644
--- a/drivers/platform/chrome/Makefile
+++ b/drivers/platform/chrome/Makefile
@@ -32,5 +32,6 @@ obj-$(CONFIG_CROS_USBPD_NOTIFY)		+= cros_usbpd_notify.o
 obj-$(CONFIG_WILCO_EC)			+= wilco_ec/
 
 # Kunit test cases
-obj-$(CONFIG_CROS_KUNIT)		+= cros_kunit_util.o
-obj-$(CONFIG_CROS_EC_PROTO_KUNIT_TEST)	+= cros_ec_proto_test.o
+obj-$(CONFIG_CROS_KUNIT)		+= cros_kunit.o
+cros_kunit-objs				:= cros_kunit_util.o
+cros_kunit-objs				+= cros_ec_proto_test.o
diff --git a/drivers/platform/chrome/cros_kunit_util.c b/drivers/platform/chrome/cros_kunit_util.c
index d37c334b416d..090927d43035 100644
--- a/drivers/platform/chrome/cros_kunit_util.c
+++ b/drivers/platform/chrome/cros_kunit_util.c
@@ -14,11 +14,8 @@
 #include "cros_kunit_util.h"
 
 int cros_kunit_ec_xfer_mock_default_ret;
-EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_default_ret);
 int cros_kunit_ec_cmd_xfer_mock_called;
-EXPORT_SYMBOL_GPL(cros_kunit_ec_cmd_xfer_mock_called);
 int cros_kunit_ec_pkt_xfer_mock_called;
-EXPORT_SYMBOL_GPL(cros_kunit_ec_pkt_xfer_mock_called);
 
 static struct list_head cros_kunit_ec_xfer_mock_in;
 static struct list_head cros_kunit_ec_xfer_mock_out;
@@ -48,27 +45,23 @@ int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_comman
 
 	return mock->ret;
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock);
 
 int cros_kunit_ec_cmd_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
 {
 	++cros_kunit_ec_cmd_xfer_mock_called;
 	return cros_kunit_ec_xfer_mock(ec_dev, msg);
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_cmd_xfer_mock);
 
 int cros_kunit_ec_pkt_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
 {
 	++cros_kunit_ec_pkt_xfer_mock_called;
 	return cros_kunit_ec_xfer_mock(ec_dev, msg);
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_pkt_xfer_mock);
 
 struct ec_xfer_mock *cros_kunit_ec_xfer_mock_add(struct kunit *test, size_t size)
 {
 	return cros_kunit_ec_xfer_mock_addx(test, size, EC_RES_SUCCESS, size);
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_add);
 
 struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
 						  int ret, int result, size_t size)
@@ -91,7 +84,6 @@ struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
 
 	return mock;
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_addx);
 
 struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
 {
@@ -103,14 +95,10 @@ struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
 
 	return mock;
 }
-EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_next);
 
 int cros_kunit_readmem_mock_offset;
-EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_offset);
 u8 *cros_kunit_readmem_mock_data;
-EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_data);
 int cros_kunit_readmem_mock_ret;
-EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_ret);
 
 int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
 			    unsigned int bytes, void *dest)
@@ -121,7 +109,6 @@ int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
 
 	return cros_kunit_readmem_mock_ret;
 }
-EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock);
 
 void cros_kunit_mock_reset(void)
 {
@@ -135,6 +122,5 @@ void cros_kunit_mock_reset(void)
 	cros_kunit_readmem_mock_data = NULL;
 	cros_kunit_readmem_mock_ret = 0;
 }
-EXPORT_SYMBOL_GPL(cros_kunit_mock_reset);
 
 MODULE_LICENSE("GPL");
-- 
2.37.0.170.g444d1eabd0-goog