xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
程式碼 問題 合併請求 Actions 套件 專案 版本發布 Wiki 動態

mei: compact code for mei bus message creation

瀏覽代碼 
1. replace boilerplate code for filling up the bus message header
 with a common wrapper function
2. shorten variable names and use temporal variables
 to save some screen space

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
此提交包含在：
Tomas Winkler
2012-11-18 15:13:14 +02:00
提交者 Greg Kroah-Hartman
父節點 2c9e9fdc0b
當前提交 5bd6471441
共有 4 個檔案被更改，包括 105 行新增 和 141 行删除
下載 Patch 檔 下載差異檔 展開所有檔案 折疊所有檔案

74
drivers/misc/mei/init.c
查看文件

@@ -43,6 +43,7 @@ const char *mei_dev_state_str(int state)
}
/**
* mei_io_list_flush - removes list entry belonging to cl.
*
@@ -331,25 +332,20 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
void mei_host_start_message(struct mei_device *dev)
{
struct mei_msg_hdr *mei_hdr;
struct hbm_host_version_request *host_start_req;
struct hbm_host_version_request *start_req;
const size_t len = sizeof(struct hbm_host_version_request);
mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
/* host start message */
mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0];
mei_hdr->host_addr = 0;
mei_hdr->me_addr = 0;
mei_hdr->length = sizeof(struct hbm_host_version_request);
mei_hdr->msg_complete = 1;
mei_hdr->reserved = 0;
start_req = (struct hbm_host_version_request *)&dev->wr_msg_buf[1];
memset(start_req, 0, len);
start_req->hbm_cmd = HOST_START_REQ_CMD;
start_req->host_version.major_version = HBM_MAJOR_VERSION;
start_req->host_version.minor_version = HBM_MINOR_VERSION;
host_start_req =
(struct hbm_host_version_request *) &dev->wr_msg_buf[1];
memset(host_start_req, 0, sizeof(struct hbm_host_version_request));
host_start_req->hbm_cmd = HOST_START_REQ_CMD;
host_start_req->host_version.major_version = HBM_MAJOR_VERSION;
host_start_req->host_version.minor_version = HBM_MINOR_VERSION;
dev->recvd_msg = false;
if (mei_write_message(dev, mei_hdr, (unsigned char *)host_start_req,
mei_hdr->length)) {
if (mei_write_message(dev, mei_hdr, (unsigned char *)start_req, len)) {
dev_dbg(&dev->pdev->dev, "write send version message to FW fail.\n");
dev->dev_state = MEI_DEV_RESETING;
mei_reset(dev, 1);
@@ -369,20 +365,16 @@ void mei_host_start_message(struct mei_device *dev)
void mei_host_enum_clients_message(struct mei_device *dev)
{
struct mei_msg_hdr *mei_hdr;
struct hbm_host_enum_request *host_enum_req;
mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0];
struct hbm_host_enum_request *enum_req;
const size_t len = sizeof(struct hbm_host_enum_request);
/* enumerate clients */
mei_hdr->host_addr = 0;
mei_hdr->me_addr = 0;
mei_hdr->length = sizeof(struct hbm_host_enum_request);
mei_hdr->msg_complete = 1;
mei_hdr->reserved = 0;
mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
host_enum_req = (struct hbm_host_enum_request *) &dev->wr_msg_buf[1];
memset(host_enum_req, 0, sizeof(struct hbm_host_enum_request));
host_enum_req->hbm_cmd = HOST_ENUM_REQ_CMD;
if (mei_write_message(dev, mei_hdr, (unsigned char *)host_enum_req,
mei_hdr->length)) {
enum_req = (struct hbm_host_enum_request *) &dev->wr_msg_buf[1];
memset(enum_req, 0, sizeof(struct hbm_host_enum_request));
enum_req->hbm_cmd = HOST_ENUM_REQ_CMD;
if (mei_write_message(dev, mei_hdr, (unsigned char *)enum_req, len)) {
dev->dev_state = MEI_DEV_RESETING;
dev_dbg(&dev->pdev->dev, "write send enumeration request message to FW fail.\n");
mei_reset(dev, 1);
@@ -443,33 +435,31 @@ void mei_allocate_me_clients_storage(struct mei_device *dev)
*/
int mei_host_client_properties(struct mei_device *dev)
{
struct mei_msg_hdr *mei_header;
struct hbm_props_request *host_cli_req;
struct mei_msg_hdr *mei_hdr;
struct hbm_props_request *prop_req;
const size_t len = sizeof(struct hbm_props_request);
int b;
u8 client_num = dev->me_client_presentation_num;
prop_req = (struct hbm_props_request *)&dev->wr_msg_buf[1];
b = dev->me_client_index;
b = find_next_bit(dev->me_clients_map, MEI_CLIENTS_MAX, b);
if (b < MEI_CLIENTS_MAX) {
dev->me_clients[client_num].client_id = b;
dev->me_clients[client_num].mei_flow_ctrl_creds = 0;
mei_header = (struct mei_msg_hdr *)&dev->wr_msg_buf[0];
mei_header->host_addr = 0;
mei_header->me_addr = 0;
mei_header->length = sizeof(struct hbm_props_request);
mei_header->msg_complete = 1;
mei_header->reserved = 0;
mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
host_cli_req = (struct hbm_props_request *)&dev->wr_msg_buf[1];
memset(host_cli_req, 0, sizeof(struct hbm_props_request));
memset(prop_req, 0, sizeof(struct hbm_props_request));
host_cli_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD;
host_cli_req->address = b;
prop_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD;
prop_req->address = b;
if (mei_write_message(dev, mei_header,
(unsigned char *)host_cli_req,
mei_header->length)) {
if (mei_write_message(dev, mei_hdr,
(unsigned char *)prop_req, len)) {
dev->dev_state = MEI_DEV_RESETING;
dev_dbg(&dev->pdev->dev, "write send enumeration request message to FW fail.\n");
mei_reset(dev, 1);