linux-kernel - [PATCH net 2/2] ptp: idt82p33: remove PEROUT_ENABLE_OUTPUT

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Message-Id: <20221123195207.10260-2-min.li.xe@renesas.com>
Date:   Wed, 23 Nov 2022 14:52:07 -0500
From:   Min Li <min.li.xe@...esas.com>
To:     richardcochran@...il.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Min Li <min.li.xe@...esas.com>
Subject: [PATCH net 2/2] ptp: idt82p33: remove PEROUT_ENABLE_OUTPUT_MASK

PEROUT_ENABLE_OUTPUT_MASK was there to allow us to enable/disable
all the perout pins. But it is not standard procedure, we will
have to discard it.

Signed-off-by: Min Li <min.li.xe@...esas.com>
---
 drivers/ptp/ptp_idt82p33.c | 34 ----------------------------------
 drivers/ptp/ptp_idt82p33.h |  1 -
 2 files changed, 35 deletions(-)

diff --git a/drivers/ptp/ptp_idt82p33.c b/drivers/ptp/ptp_idt82p33.c
index aece499c26d4..afc76c22271a 100644
--- a/drivers/ptp/ptp_idt82p33.c
+++ b/drivers/ptp/ptp_idt82p33.c
@@ -895,40 +895,10 @@ static int idt82p33_output_enable(struct idt82p33_channel *channel,
 	return idt82p33_write(idt82p33, OUT_MUX_CNFG(outn), &val, sizeof(val));
 }
 
-static int idt82p33_output_mask_enable(struct idt82p33_channel *channel,
-				       bool enable)
-{
-	u16 mask;
-	int err;
-	u8 outn;
-
-	mask = channel->output_mask;
-	outn = 0;
-
-	while (mask) {
-		if (mask & 0x1) {
-			err = idt82p33_output_enable(channel, enable, outn);
-			if (err)
-				return err;
-		}
-
-		mask >>= 0x1;
-		outn++;
-	}
-
-	return 0;
-}
-
 static int idt82p33_perout_enable(struct idt82p33_channel *channel,
 				  bool enable,
 				  struct ptp_perout_request *perout)
 {
-	unsigned int flags = perout->flags;
-
-	/* Enable/disable output based on output_mask */
-	if (flags == PEROUT_ENABLE_OUTPUT_MASK)
-		return idt82p33_output_mask_enable(channel, enable);
-
 	/* Enable/disable individual output instead */
 	return idt82p33_output_enable(channel, enable, perout->index);
 }
@@ -939,10 +909,6 @@ static int idt82p33_enable_tod(struct idt82p33_channel *channel)
 	struct timespec64 ts = {0, 0};
 	int err;
 
-	/* STEELAI-366 - Temporary workaround for ts2phc compatibility */
-	if (0)
-		err = idt82p33_output_mask_enable(channel, false);
-
 	err = idt82p33_measure_tod_write_overhead(channel);
 
 	if (err) {
diff --git a/drivers/ptp/ptp_idt82p33.h b/drivers/ptp/ptp_idt82p33.h
index cddebf05a5b9..8fcb0b17d207 100644
--- a/drivers/ptp/ptp_idt82p33.h
+++ b/drivers/ptp/ptp_idt82p33.h
@@ -22,7 +22,6 @@
 #define IMMEDIATE_SNAP_THRESHOLD_NS (50000)
 #define DDCO_THRESHOLD_NS	(5)
 #define IDT82P33_MAX_WRITE_COUNT	(512)
-#define PEROUT_ENABLE_OUTPUT_MASK	(0xdeadbeef)
 
 #define PLLMASK_ADDR_HI	0xFF
 #define PLLMASK_ADDR_LO	0xA5
-- 
2.37.3