linux-kernel - [PATCH net-next v3 2/3] net: fec: refactor PPS channel configuration

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Message-Id: <20240809094804.391441-3-francesco@dolcini.it>
Date: Fri,  9 Aug 2024 11:48:03 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Wei Fang <wei.fang@....com>,
	Shenwei Wang <shenwei.wang@....com>,
	Clark Wang <xiaoning.wang@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Richard Cochran <richardcochran@...il.com>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	imx@...ts.linux.dev,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Frank Li <Frank.Li@....com>
Subject: [PATCH net-next v3 2/3] net: fec: refactor PPS channel configuration

From: Francesco Dolcini <francesco.dolcini@...adex.com>

Preparation patch to allow for PPS channel configuration, no functional
change intended.

Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
Reviewed-by: Frank Li <Frank.Li@....com>
---
v3: added net-next subject prefix
v2: add Reviewed-by
---
 drivers/net/ethernet/freescale/fec_ptp.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 2e4f3e1782a2..25f988b9c7cf 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -84,8 +84,7 @@
 #define FEC_CC_MULT	(1 << 31)
 #define FEC_COUNTER_PERIOD	(1 << 31)
 #define PPS_OUPUT_RELOAD_PERIOD	NSEC_PER_SEC
-#define FEC_CHANNLE_0		0
-#define DEFAULT_PPS_CHANNEL	FEC_CHANNLE_0
+#define DEFAULT_PPS_CHANNEL	0
 
 #define FEC_PTP_MAX_NSEC_PERIOD		4000000000ULL
 #define FEC_PTP_MAX_NSEC_COUNTER	0x80000000ULL
@@ -530,8 +529,9 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
 	unsigned long flags;
 	int ret = 0;
 
+	fep->pps_channel = DEFAULT_PPS_CHANNEL;
+
 	if (rq->type == PTP_CLK_REQ_PPS) {
-		fep->pps_channel = DEFAULT_PPS_CHANNEL;
 		fep->reload_period = PPS_OUPUT_RELOAD_PERIOD;
 
 		ret = fec_ptp_enable_pps(fep, on);
@@ -542,10 +542,9 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
 		if (rq->perout.flags)
 			return -EOPNOTSUPP;
 
-		if (rq->perout.index != DEFAULT_PPS_CHANNEL)
+		if (rq->perout.index != fep->pps_channel)
 			return -EOPNOTSUPP;
 
-		fep->pps_channel = DEFAULT_PPS_CHANNEL;
 		period.tv_sec = rq->perout.period.sec;
 		period.tv_nsec = rq->perout.period.nsec;
 		period_ns = timespec64_to_ns(&period);
-- 
2.39.2