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Message-Id: <9b2e10f3b6d4fdbb1ff535c59603c6a302d89af6.1394975663.git.richardcochran@gmail.com>
Date: Sun, 16 Mar 2014 14:29:30 +0100
From: Richard Cochran <richardcochran@...il.com>
To: <netdev@...r.kernel.org>
Cc: <linux-kernel@...r.kernel.org>,
Ben Hutchings <ben@...adent.org.uk>,
Christian Riesch <christian.riesch@...cron.at>,
David Miller <davem@...emloft.net>,
Stefan Sørensen
<stefan.sorensen@...ctralink.com>
Subject: [PATCH net-next v2 9/9] dp83640: let the periodic pin from the module parameter be a default.
This patch changes the driver use the new pin configuration method when
programming the periodic output signal.
Signed-off-by: Richard Cochran <richardcochran@...il.com>
---
drivers/net/phy/dp83640.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index 93db564..352c5e4 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -298,15 +298,22 @@ static u64 phy2txts(struct phy_txts *p)
return ns;
}
-static void periodic_output(struct dp83640_clock *clock,
- struct ptp_clock_request *clkreq, bool on)
+static int periodic_output(struct dp83640_clock *clock,
+ struct ptp_clock_request *clkreq, bool on)
{
struct dp83640_private *dp83640 = clock->chosen;
struct phy_device *phydev = dp83640->phydev;
u32 sec, nsec, pwidth;
u16 gpio, ptp_trig, trigger, val;
- gpio = on ? gpio_tab[PEROUT_GPIO] : 0;
+ if (on) {
+ gpio = 1 + ptp_find_pin(clock->ptp_clock, PTP_PF_PEROUT, 0);
+ if (gpio < 1)
+ return -EINVAL;
+ } else {
+ gpio = 0;
+ }
+
trigger = PER_TRIGGER;
ptp_trig = TRIG_WR |
@@ -323,7 +330,7 @@ static void periodic_output(struct dp83640_clock *clock,
ext_write(0, phydev, PAGE5, PTP_TRIG, ptp_trig);
ext_write(0, phydev, PAGE4, PTP_CTL, val);
mutex_unlock(&clock->extreg_lock);
- return;
+ return 0;
}
sec = clkreq->perout.start.sec;
@@ -352,6 +359,7 @@ static void periodic_output(struct dp83640_clock *clock,
ext_write(0, phydev, PAGE4, PTP_CTL, val);
mutex_unlock(&clock->extreg_lock);
+ return 0;
}
/* ptp clock methods */
@@ -484,8 +492,7 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp,
case PTP_CLK_REQ_PEROUT:
if (rq->perout.index != 0)
return -EINVAL;
- periodic_output(clock, rq, on);
- return 0;
+ return periodic_output(clock, rq, on);
default:
break;
--
1.7.10.4
--
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