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mhi: dev: netdev: inherit IPC log level from controller

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Make network interface devices inherit log levels from the
controller to allow level switches to reflect across MHI
clients.

Change-Id: I2412a738ba297031740d10570478c42f83b45c25
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
This commit is contained in:
Bhaumik Bhatt 2020-01-15 11:04:05 -08:00 • committed by Hemant Kumar
commit 0ddedbe5f1
1 changed files with 19 additions and 21 deletions
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40
drivers/bus/mhi/devices/mhi_netdev.c
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@ -24,42 +24,33 @@
#ifdef CONFIG_MHI_DEBUG
#define IPC_LOG_LVL (MHI_MSG_LVL_VERBOSE)
#define MHI_ASSERT(cond, msg) do { \
if (cond) \
panic(msg); \
} while (0)
#define MSG_VERB(fmt, ...) do { \
if (mhi_netdev->msg_lvl <= MHI_MSG_LVL_VERBOSE) \
printk("%s[D][%s] " fmt, KERN_ERR, __func__, \
##__VA_ARGS__); \
if (mhi_netdev->ipc_log_lvl <= MHI_MSG_LVL_VERBOSE) \
if (mhi_netdev->ipc_log && (*mhi_netdev->ipc_log_lvl <= \
MHI_MSG_LVL_VERBOSE)) \
ipc_log_string(mhi_netdev->ipc_log, "%s[D][%s] " fmt, \
"", __func__, ##__VA_ARGS__); \
} while (0)
#else
#define IPC_LOG_LVL (MHI_MSG_LVL_ERROR)
#define MHI_ASSERT(cond, msg) do { \
if (cond) { \
MSG_ERR(msg); \
WARN_ON(cond); \
} \
#define MSG_VERB(fmt, ...) do { \
if (mhi_netdev->ipc_log && (*mhi_netdev->ipc_log_lvl <= \
MHI_MSG_LVL_VERBOSE)) \
ipc_log_string(mhi_netdev->ipc_log, "%s[D][%s] " fmt, \
"", __func__, ##__VA_ARGS__); \
} while (0)
#define MSG_VERB(fmt, ...)
#endif
#define MSG_LOG(fmt, ...) do { \
if (mhi_netdev->msg_lvl <= MHI_MSG_LVL_INFO) \
printk("%s[I][%s] " fmt, KERN_ERR, __func__, \
##__VA_ARGS__); \
if (mhi_netdev->ipc_log_lvl <= MHI_MSG_LVL_INFO) \
if (mhi_netdev->ipc_log && (*mhi_netdev->ipc_log_lvl <= \
MHI_MSG_LVL_INFO)) \
ipc_log_string(mhi_netdev->ipc_log, "%s[D][%s] " fmt, \
"", __func__, ##__VA_ARGS__); \
} while (0)
@ -68,11 +59,17 @@
if (mhi_netdev->msg_lvl <= MHI_MSG_LVL_ERROR) \
printk("%s[E][%s] " fmt, KERN_ERR, __func__, \
##__VA_ARGS__); \
if (mhi_netdev->ipc_log_lvl <= MHI_MSG_LVL_ERROR) \
if (mhi_netdev->ipc_log && (*mhi_netdev->ipc_log_lvl <= \
MHI_MSG_LVL_ERROR)) \
ipc_log_string(mhi_netdev->ipc_log, "%s[E][%s] " fmt, \
"", __func__, ##__VA_ARGS__); \
} while (0)
#define MHI_ASSERT(cond, msg) do { \
if (cond) \
panic(msg); \
} while (0)
struct mhi_net_chain {
struct sk_buff *head, *tail; /* chained skb */
};
@ -106,7 +103,7 @@ struct mhi_netdev {
struct dentry *dentry;
enum MHI_DEBUG_LEVEL msg_lvl;
enum MHI_DEBUG_LEVEL ipc_log_lvl;
enum MHI_DEBUG_LEVEL *ipc_log_lvl;
void *ipc_log;
/* debug stats */
@ -978,6 +975,7 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
int ret;
struct mhi_netdev *mhi_netdev, *p_netdev = NULL;
struct device_node *of_node = mhi_dev->dev.of_node;
struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
int nr_tre;
char node_name[32];
struct device_node *phandle;
@ -1088,7 +1086,7 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
mhi_netdev->alias);
mhi_netdev->ipc_log = ipc_log_context_create(IPC_LOG_PAGES,
node_name, 0);
mhi_netdev->ipc_log_lvl = IPC_LOG_LVL;
mhi_netdev->ipc_log_lvl = &mhi_cntrl->log_lvl;
mhi_netdev_create_debugfs(mhi_netdev);
}