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ath10k: handle WMI debug print events

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Firmware can send simple ascii strings as debug messages using
WMI_DEBUG_PRINT_EVENTID, print those with ATH10K_DBG_WMI log level.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo 2014-01-03 12:59:20 +02:00
parent 0e759f363e
commit 2fe5288c11
1 changed files with 31 additions and 2 deletions
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31
drivers/net/wireless/ath/ath10k/wmi.c
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@ -16,6 +16,7 @@
*/ */
#include <linux/skbuff.h> #include <linux/skbuff.h>
#include <linux/ctype.h>
#include "core.h" #include "core.h"
#include "htc.h" #include "htc.h"
@ -1678,7 +1679,35 @@ static void ath10k_wmi_event_profile_match(struct ath10k *ar,
static void ath10k_wmi_event_debug_print(struct ath10k *ar, static void ath10k_wmi_event_debug_print(struct ath10k *ar,
struct sk_buff *skb) struct sk_buff *skb)
{ {
ath10k_dbg(ATH10K_DBG_WMI, "WMI_DEBUG_PRINT_EVENTID\n"); char buf[101], c;
int i;
for (i = 0; i < sizeof(buf) - 1; i++) {
if (i >= skb->len)
break;
c = skb->data[i];
if (c == '\0')
break;
if (isascii(c) && isprint(c))
buf[i] = c;
else
buf[i] = '.';
}
if (i == sizeof(buf) - 1)
ath10k_warn("wmi debug print truncated: %d\n", skb->len);
/* for some reason the debug prints end with \n, remove that */
if (skb->data[i - 1] == '\n')
i--;
/* the last byte is always reserved for the null character */
buf[i] = '\0';
ath10k_dbg(ATH10K_DBG_WMI, "wmi event debug print '%s'\n", buf);
} }
static void ath10k_wmi_event_pdev_qvit(struct ath10k *ar, struct sk_buff *skb) static void ath10k_wmi_event_pdev_qvit(struct ath10k *ar, struct sk_buff *skb)