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platform/chrome: use macros for passthru indexes 

Move passthru indexes for EC and PD devices to common header.  Also use
them instead of literal constants.

Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-4-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-06-09 08:49:39 +00:00
parent b99eb596ef
commit 3db0c9e5de
5 changed files with 20 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/platform/chrome/cros_ec.c
View File

@ -19,9 +19,6 @@
#include "cros_ec.h"
#define CROS_EC_DEV_EC_INDEX 0
#define CROS_EC_DEV_PD_INDEX 1
static struct cros_ec_platform ec_p = {
.ec_name = CROS_EC_DEV_NAME,
.cmd_offset = EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_EC_INDEX),

6
drivers/platform/chrome/cros_ec_proto.c
View File

@ -433,7 +433,7 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
/* First try sending with proto v3. */
ec_dev->proto_version = 3;
ret = cros_ec_host_command_proto_query(ec_dev, 0, proto_msg);
ret = cros_ec_host_command_proto_query(ec_dev, CROS_EC_DEV_EC_INDEX, proto_msg);
if (ret == 0) {
proto_info = (struct ec_response_get_protocol_info *)
@ -459,7 +459,7 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
/*
* Check for PD
*/
ret = cros_ec_host_command_proto_query(ec_dev, 1, proto_msg);
ret = cros_ec_host_command_proto_query(ec_dev, CROS_EC_DEV_PD_INDEX, proto_msg);
if (ret) {
dev_dbg(ec_dev->dev, "no PD chip found: %d\n", ret);
@ -609,7 +609,7 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
msg->insize = ec_dev->max_response;
}
if (msg->command < EC_CMD_PASSTHRU_OFFSET(1)) {
if (msg->command < EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX)) {
if (msg->outsize > ec_dev->max_request) {
dev_err(ec_dev->dev,
"request of size %u is too big (max: %u)\n",

15
drivers/platform/chrome/cros_ec_proto_test.c
View File

@ -281,7 +281,8 @@ static void cros_ec_proto_test_query_all_normal(struct kunit *test)
KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
KUNIT_EXPECT_EQ(test, mock->msg.command,
EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) |
EC_CMD_GET_PROTOCOL_INFO);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_get_protocol_info));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
@ -396,7 +397,8 @@ static void cros_ec_proto_test_query_all_no_pd_return_error(struct kunit *test)
KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
KUNIT_EXPECT_EQ(test, mock->msg.command,
EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) |
EC_CMD_GET_PROTOCOL_INFO);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_get_protocol_info));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
@ -685,7 +687,8 @@ static void cros_ec_proto_test_query_all_no_mkbp(struct kunit *test)
KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
KUNIT_EXPECT_EQ(test, mock->msg.command,
EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) |
EC_CMD_GET_PROTOCOL_INFO);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_get_protocol_info));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
@ -783,7 +786,8 @@ static void cros_ec_proto_test_query_all_no_host_sleep(struct kunit *test)
KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
KUNIT_EXPECT_EQ(test, mock->msg.command,
EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) |
EC_CMD_GET_PROTOCOL_INFO);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_get_protocol_info));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
@ -889,7 +893,8 @@ static void cros_ec_proto_test_query_all_default_wake_mask_return_error(struct k
KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
KUNIT_EXPECT_EQ(test, mock->msg.command,
EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) |
EC_CMD_GET_PROTOCOL_INFO);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_get_protocol_info));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);

8
drivers/platform/chrome/cros_ec_trace.h
View File

@ -30,8 +30,8 @@ TRACE_EVENT(cros_ec_request_start,
),
TP_fast_assign(
__entry->version = cmd->version;
__entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(1);
__entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(1);
__entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
__entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
__entry->outsize = cmd->outsize;
__entry->insize = cmd->insize;
),
@ -55,8 +55,8 @@ TRACE_EVENT(cros_ec_request_done,
),
TP_fast_assign(
__entry->version = cmd->version;
__entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(1);
__entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(1);
__entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
__entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
__entry->outsize = cmd->outsize;
__entry->insize = cmd->insize;
__entry->result = cmd->result;

3
include/linux/platform_data/cros_ec_proto.h
View File

@ -21,6 +21,9 @@
#define CROS_EC_DEV_SCP_NAME "cros_scp"
#define CROS_EC_DEV_TP_NAME "cros_tp"
#define CROS_EC_DEV_EC_INDEX 0
#define CROS_EC_DEV_PD_INDEX 1
/*
* The EC is unresponsive for a time after a reboot command. Add a
* simple delay to make sure that the bus stays locked.