Piteball
/
android_kernel_samsung_msm8976
mirror of https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
1
1
Fork 0
Code Issues Projects Releases Wiki Activity

Merge "mhi_dev: mhi: Add IPC logging to MHI device driver"

This commit is contained in:
Linux Build Service Account 2015-03-24 17:02:08 -07:00 committed by Gerrit - the friendly Code Review server
parent d0755d120c bf833606d7
commit cfa0aa937c
2 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/platform/msm/mhi_dev/mhi.c
View File

@ -60,7 +60,10 @@
#define HOST_ADDR_LSB(addr) (addr & 0xFFFFFFFF)
#define HOST_ADDR_MSB(addr) ((addr >> 32) & 0xFFFFFFFF)
#define MHI_IPC_LOG_PAGES (100)
enum mhi_msg_level mhi_msg_lvl = MHI_MSG_ERROR;
enum mhi_msg_level mhi_ipc_msg_lvl = MHI_MSG_VERBOSE;
void *mhi_ipc_log;
static struct mhi_dev *mhi_ctx;
static void mhi_hwc_cb(void *priv, enum ipa_mhi_event_type event,
@ -1822,6 +1825,13 @@ static int mhi_init(struct mhi_dev *mhi)
return -ENOMEM;
}
mhi_ipc_log = ipc_log_context_create(MHI_IPC_LOG_PAGES, "mhi");
if (mhi_ipc_log == NULL) {
dev_err(&pdev->dev,
"Failed to create IPC logging context\n");
}
return 0;
}
@ -1880,7 +1890,10 @@ static struct platform_driver mhi_dev_driver = {
};
module_param(mhi_msg_lvl , uint, S_IRUGO | S_IWUSR);
module_param(mhi_ipc_msg_lvl, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(mhi_msg_lvl, "mhi msg lvl");
MODULE_PARM_DESC(mhi_ipc_msg_lvl, "mhi ipc msg lvl");
static int __init mhi_dev_init(void)
{

7
drivers/platform/msm/mhi_dev/mhi.h
View File

@ -15,6 +15,7 @@
#include <linux/msm_ep_pcie.h>
#include <linux/types.h>
#include <linux/ipc_logging.h>
/* MHI control data structures alloted by the host, including
* channel context array, event context array, command context and rings */
@ -513,11 +514,17 @@ enum mhi_msg_level {
};
extern enum mhi_msg_level mhi_msg_lvl;
extern enum mhi_msg_level mhi_ipc_msg_lvl;
extern void *mhi_ipc_log;
#define mhi_log(_msg_lvl, _msg, ...) do { \
if (_msg_lvl >= mhi_msg_lvl) { \
pr_err("[%s] "_msg, __func__, ##__VA_ARGS__); \
} \
if (mhi_ipc_log && (_msg_lvl >= mhi_ipc_msg_lvl)) { \
ipc_log_string(mhi_ipc_log, \
"[%s] " _msg, __func__, ##__VA_ARGS__); \
} \
} while (0)
/* SW channel client list */