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: Dejin Zheng <zhengdejin5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -10,6 +10,7 @@
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*******************************************************************************/
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#include <linux/io.h>
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#include <linux/iopoll.h>
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#include <linux/delay.h>
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#include "common.h"
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#include "stmmac_ptp.h"
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@ -53,7 +54,6 @@ static void config_sub_second_increment(void __iomem *ioaddr,
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static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
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{
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int limit;
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u32 value;
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writel(sec, ioaddr + PTP_STSUR);
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@ -64,16 +64,9 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
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writel(value, ioaddr + PTP_TCR);
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/* wait for present system time initialize to complete */
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limit = 10;
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while (limit--) {
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if (!(readl(ioaddr + PTP_TCR) & PTP_TCR_TSINIT))
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break;
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mdelay(10);
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}
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if (limit < 0)
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return -EBUSY;
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return 0;
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return readl_poll_timeout(ioaddr + PTP_TCR, value,
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!(value & PTP_TCR_TSINIT),
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10000, 100000);
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}
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static int config_addend(void __iomem *ioaddr, u32 addend)
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