Commit ff8ed737 authored by Dejin Zheng's avatar Dejin Zheng Committed by David S. Miller
Browse files

net: stmmac: use readl_poll_timeout() function in init_systime() 



The init_systime() function use an open coded of readl_poll_timeout().
Replace the open coded handling with the proper function.

Signed-off-by: default avatarDejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1dd3875

drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c

+4 −11
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
*******************************************************************************/



#include <linux/io.h>

#include <linux/iopoll.h>

#include <linux/delay.h>

#include "common.h"

#include "stmmac_ptp.h"
@@ -53,7 +54,6 @@ static void config_sub_second_increment(void __iomem *ioaddr, 


static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)

{

	int limit;

	u32 value;



	writel(sec, ioaddr + PTP_STSUR);
@@ -64,16 +64,9 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec) 
	writel(value, ioaddr + PTP_TCR);



	/* wait for present system time initialize to complete */

	limit = 10;

	while (limit--) {

		if (!(readl(ioaddr + PTP_TCR) & PTP_TCR_TSINIT))

			break;

		mdelay(10);

	}

	if (limit < 0)

		return -EBUSY;



	return 0;

	return readl_poll_timeout(ioaddr + PTP_TCR, value,

				 !(value & PTP_TCR_TSINIT),

				 10000, 100000);

}



static int config_addend(void __iomem *ioaddr, u32 addend)

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