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Commit b4d78202 authored by Vijayavardhan Vennapusa's avatar Vijayavardhan Vennapusa
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USB: gadget: ci13xxx_msm: Print timestamps similar to kernel logbuf 



Currently timestamps in events are printed in microsecs which we
can't corelate with kernel logbuf timestamps. Hence print timestamps
in similar format as kernel logbuf.

CRs-Fixed: 720016
Change-Id: I5d2dba9e0723be8cc1bfb784b8d5f4ebfe79e464
Signed-off-by: default avatarVijayavardhan Vennapusa <vvreddy@codeaurora.org>
parent 53a5295c

drivers/usb/gadget/ci13xxx_udc.c

+19 −10
Original line number Diff line number Diff line
@@ -994,6 +994,20 @@ static int allow_dbg_print(u8 addr) 
	return 0;

}



#define TIME_BUF_LEN  20

/*get_timestamp - returns time of day in us */

static char *get_timestamp(char *tbuf)

{

	unsigned long long t;

	unsigned long nanosec_rem;



	t = cpu_clock(smp_processor_id());

	nanosec_rem = do_div(t, 1000000000)/1000;

	scnprintf(tbuf, TIME_BUF_LEN, "[%5lu.%06lu] ", (unsigned long)t,

		nanosec_rem);

	return tbuf;

}



/**

 * dbg_print:  prints the common part of the event

 * @addr:   endpoint address
@@ -1003,30 +1017,25 @@ static int allow_dbg_print(u8 addr) 
 */

static void dbg_print(u8 addr, const char *name, int status, const char *extra)

{

	struct timeval tval;

	unsigned int stamp;

	unsigned long flags;

	char tbuf[TIME_BUF_LEN];



	if (!allow_dbg_print(addr))

		return;



	write_lock_irqsave(&dbg_data.lck, flags);



	do_gettimeofday(&tval);

	stamp = tval.tv_sec & 0xFFFF;	/* 2^32 = 4294967296. Limit to 4096s */

	stamp = stamp * 1000000 + tval.tv_usec;



	scnprintf(dbg_data.buf[dbg_data.idx], DBG_DATA_MSG,

		  "%04X\t? %02X %-7.7s %4i ?\t%s\n",

		  stamp, addr, name, status, extra);

		  "%s\t? %02X %-7.7s %4i ?\t%s\n",

		  get_timestamp(tbuf), addr, name, status, extra);



	dbg_inc(&dbg_data.idx);



	write_unlock_irqrestore(&dbg_data.lck, flags);



	if (dbg_data.tty != 0)

		pr_notice("%04X\t? %02X %-7.7s %4i ?\t%s\n",

			  stamp, addr, name, status, extra);

		pr_notice("%s\t? %02X %-7.7s %4i ?\t%s\n",

			  get_timestamp(tbuf), addr, name, status, extra);

}



/**