Merge tag 'tag-chrome-platform-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "cros_ec_proto:
   - Leverage Kunit and add Kunit test cases
   - Clean-ups
   - Fix typo

  cros_ec_commands:
   - Fix typo
   - Fix compile errors

  cros_kbd_led_backlight:
   - Support OF match
   - Support EC PWM backend

  cros_ec:
   - Always expose the last resume result to fix sleep hang detection on
     ARM-based chromebooks

  wilco_ec:
   - Fix typo

  cros_ec_typec:
   - Clean-ups
   - Use Type-C framework utilities to manage altmode structs"

* tag 'tag-chrome-platform-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (59 commits)
  platform/chrome: cros_kunit_util: add default value for `msg->result`
  platform/chrome: merge Kunit utils and test cases
  platform/chrome: cros_kbd_led_backlight: fix build warning
  platform/chrome: cros_ec_proto: add Kunit test for cros_ec_cmd()
  platform/chrome: cros_ec_proto: add Kunit tests for get_sensor_count
  platform/chrome: cros_ec_proto: add Kunit tests for check_features
  platform/chrome: cros_ec_proto: add Kunit tests for get_host_event
  platform/chrome: cros_ec_proto: add Kunit tests for get_next_event
  platform/chrome: cros_ec_proto: add Kunit test for cros_ec_map_error()
  platform/chrome: cros_ec_proto: add Kunit tests for cmd_xfer_status
  platform/chrome: cros_ec_proto: return -EPROTO if empty payload
  platform/chrome: cros_ec_proto: add Kunit test for empty payload
  platform/chrome: cros_ec_proto: return -EAGAIN when retries timed out
  platform/chrome: cros_ec_proto: change Kunit expectation when timed out
  platform/chrome: cros_ec_proto: separate cros_ec_wait_until_complete()
  platform/chrome: cros_ec_proto: separate cros_ec_xfer_command()
  platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_send_command()
  platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_cmd_xfer()
  platform/chrome: cros_ec_proto: add "cros_ec_" prefix to send_command()
  platform/chrome: cros_ec_typec: Register port altmodes
  ...

1 files changed, 48 insertions, 0 deletions

diff --git a/drivers/platform/chrome/cros_kunit_util.h b/drivers/platform/chrome/cros_kunit_util.h
new file mode 100644
index 000000000000..414002271c9c
--- /dev/null
+++ b/drivers/platform/chrome/cros_kunit_util.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * CrOS Kunit tests utilities.
+ */
+
+#ifndef _CROS_KUNIT_UTIL_H_
+#define _CROS_KUNIT_UTIL_H_
+
+#include <linux/platform_data/cros_ec_proto.h>
+
+struct ec_xfer_mock {
+	struct list_head list;
+	struct kunit *test;
+
+	/* input */
+	struct cros_ec_command msg;
+	void *i_data;
+
+	/* output */
+	int ret;
+	int result;
+	void *o_data;
+	u32 o_data_len;
+};
+
+extern int cros_kunit_ec_xfer_mock_default_result;
+extern int cros_kunit_ec_xfer_mock_default_ret;
+extern int cros_kunit_ec_cmd_xfer_mock_called;
+extern int cros_kunit_ec_pkt_xfer_mock_called;
+
+int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+int cros_kunit_ec_cmd_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+int cros_kunit_ec_pkt_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_add(struct kunit *test, size_t size);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
+						  int ret, int result, size_t size);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void);
+
+extern int cros_kunit_readmem_mock_offset;
+extern u8 *cros_kunit_readmem_mock_data;
+extern int cros_kunit_readmem_mock_ret;
+
+int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
+			    unsigned int bytes, void *dest);
+
+void cros_kunit_mock_reset(void);
+
+#endif