2014-07-17 22:55:37

by Bing Zhao

[permalink] [raw]
Subject: [PATCH] mwifiex: remove redundant timestamps in debug prints

We don't need wall-clock time here, and in most configurations
that care, there are already timestamps in the kernel using
CONFIG_PRINTK_TIME=y.

Reported-by: Paul Stewart <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
---
drivers/net/wireless/mwifiex/cmdevt.c | 40 +++++++++++------------------------
drivers/net/wireless/mwifiex/pcie.c | 14 ++++--------
drivers/net/wireless/mwifiex/sdio.c | 14 ++++--------
3 files changed, 20 insertions(+), 48 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 5899eee..baf0aab 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -137,7 +137,6 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
struct host_cmd_ds_command *host_cmd;
uint16_t cmd_code;
uint16_t cmd_size;
- struct timeval tstamp;
unsigned long flags;
__le32 tmp;

@@ -198,10 +197,8 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
*/
skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len);

- do_gettimeofday(&tstamp);
- dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"
- " seqno %#x\n",
- tstamp.tv_sec, tstamp.tv_usec, cmd_code,
+ dev_dbg(adapter->dev,
+ "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", cmd_code,
le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size,
le16_to_cpu(host_cmd->seq_num));

@@ -273,7 +270,6 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter)
(struct mwifiex_opt_sleep_confirm *)
adapter->sleep_cfm->data;
struct sk_buff *sleep_cfm_tmp;
- struct timeval ts;
__le32 tmp;

priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
@@ -284,10 +280,9 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter)
(adapter->seq_num, priv->bss_num,
priv->bss_type)));

- do_gettimeofday(&ts);
dev_dbg(adapter->dev,
- "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d, seqno %#x\n",
- ts.tv_sec, ts.tv_usec, le16_to_cpu(sleep_cfm_buf->command),
+ "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n",
+ le16_to_cpu(sleep_cfm_buf->command),
le16_to_cpu(sleep_cfm_buf->action),
le16_to_cpu(sleep_cfm_buf->size),
le16_to_cpu(sleep_cfm_buf->seq_num));
@@ -442,7 +437,6 @@ int mwifiex_process_event(struct mwifiex_adapter *adapter)
mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
struct sk_buff *skb = adapter->event_skb;
u32 eventcause = adapter->event_cause;
- struct timeval tstamp;
struct mwifiex_rxinfo *rx_info;

/* Save the last event to debug log */
@@ -467,9 +461,7 @@ int mwifiex_process_event(struct mwifiex_adapter *adapter)
rx_info->bss_type = priv->bss_type;
}

- do_gettimeofday(&tstamp);
- dev_dbg(adapter->dev, "EVENT: %lu.%lu: cause: %#x\n",
- tstamp.tv_sec, tstamp.tv_usec, eventcause);
+ dev_dbg(adapter->dev, "EVENT: cause: %#x\n", eventcause);
if (eventcause == EVENT_PS_SLEEP || eventcause == EVENT_PS_AWAKE) {
/* Handle PS_SLEEP/AWAKE events on STA */
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
@@ -781,7 +773,6 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
uint16_t orig_cmdresp_no;
uint16_t cmdresp_no;
uint16_t cmdresp_result;
- struct timeval tstamp;
unsigned long flags;

/* Now we got response from FW, cancel the command timer */
@@ -839,11 +830,10 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] =
orig_cmdresp_no;

- do_gettimeofday(&tstamp);
- dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d,"
- " len %d, seqno 0x%x\n",
- tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result,
- le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num));
+ dev_dbg(adapter->dev,
+ "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
+ orig_cmdresp_no, cmdresp_result,
+ le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num));

if (!(orig_cmdresp_no & HostCmd_RET_BIT)) {
dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n");
@@ -903,7 +893,6 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
struct mwifiex_adapter *adapter =
(struct mwifiex_adapter *) function_context;
struct cmd_ctrl_node *cmd_node;
- struct timeval tstamp;

adapter->is_cmd_timedout = 1;
if (!adapter->curr_cmd) {
@@ -916,10 +905,8 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index];
adapter->dbg.timeout_cmd_act =
adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index];
- do_gettimeofday(&tstamp);
dev_err(adapter->dev,
- "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n",
- __func__, tstamp.tv_sec, tstamp.tv_usec,
+ "%s: Timeout cmd id = %#x, act = %#x\n", __func__,
adapter->dbg.timeout_cmd_id,
adapter->dbg.timeout_cmd_act);

@@ -1237,18 +1224,15 @@ mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter,
uint16_t result = le16_to_cpu(cmd->result);
uint16_t command = le16_to_cpu(cmd->command);
uint16_t seq_num = le16_to_cpu(cmd->seq_num);
- struct timeval ts;

if (!upld_len) {
dev_err(adapter->dev, "%s: cmd size is 0\n", __func__);
return;
}

- do_gettimeofday(&ts);
dev_dbg(adapter->dev,
- "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d, len %d, seqno 0x%x\n",
- ts.tv_sec, ts.tv_usec, command, result, le16_to_cpu(cmd->size),
- seq_num);
+ "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
+ command, result, le16_to_cpu(cmd->size), seq_num);

/* Get BSS number and corresponding priv */
priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num),
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 5f7afff..c16dd2c 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -2238,7 +2238,6 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter)
struct pcie_service_card *card = adapter->card;
const struct mwifiex_pcie_card_reg *creg = card->pcie.reg;
unsigned int reg, reg_start, reg_end;
- struct timeval t;
u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0;
enum rdwr_status stat;
u32 memory_size;
@@ -2257,9 +2256,7 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter)
entry->mem_size = 0;
}

- do_gettimeofday(&t);
- dev_info(adapter->dev, "== mwifiex firmware dump start: %u.%06u ==\n",
- (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "== mwifiex firmware dump start ==\n");

/* Read the number of the memories which will dump */
stat = mwifiex_pcie_rdwr_firmware(adapter, doneflag);
@@ -2303,9 +2300,8 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter)
end_ptr = dbg_ptr + memory_size;

doneflag = entry->done_flag;
- do_gettimeofday(&t);
- dev_info(adapter->dev, "Start %s output %u.%06u, please wait...\n",
- entry->mem_name, (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "Start %s output, please wait...\n",
+ entry->mem_name);

do {
stat = mwifiex_pcie_rdwr_firmware(adapter, doneflag);
@@ -2331,9 +2327,7 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter)
break;
} while (true);
}
- do_gettimeofday(&t);
- dev_info(adapter->dev, "== mwifiex firmware dump end: %u.%06u ==\n",
- (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "== mwifiex firmware dump end ==\n");

kobject_uevent_env(&adapter->wiphy->dev.kobj, KOBJ_CHANGE, env);

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 1da04a0..3e48ef5 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -2012,7 +2012,6 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
int ret = 0;
unsigned int reg, reg_start, reg_end;
u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0;
- struct timeval t;
enum rdwr_status stat;
u32 memory_size;
static char *env[] = { "DRIVER=mwifiex_sdio", "EVENT=fw_dump", NULL };
@@ -2033,9 +2032,7 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
mwifiex_pm_wakeup_card(adapter);
sdio_claim_host(card->func);

- do_gettimeofday(&t);
- dev_info(adapter->dev, "== mwifiex firmware dump start: %u.%06u ==\n",
- (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "== mwifiex firmware dump start ==\n");

stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag);
if (stat == RDWR_STATUS_FAILURE)
@@ -2087,9 +2084,8 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
end_ptr = dbg_ptr + memory_size;

doneflag = entry->done_flag;
- do_gettimeofday(&t);
- dev_info(adapter->dev, "Start %s output %u.%06u, please wait...\n",
- entry->mem_name, (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "Start %s output, please wait...\n",
+ entry->mem_name);

do {
stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag);
@@ -2120,9 +2116,7 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
break;
} while (1);
}
- do_gettimeofday(&t);
- dev_info(adapter->dev, "== mwifiex firmware dump end: %u.%06u ==\n",
- (u32)t.tv_sec, (u32)t.tv_usec);
+ dev_info(adapter->dev, "== mwifiex firmware dump end ==\n");

kobject_uevent_env(&adapter->wiphy->dev.kobj, KOBJ_CHANGE, env);

--
1.8.2.3