From: David Yang <mmyangfl@gmail.com>
To: netdev@vger.kernel.org
Cc: David Yang <mmyangfl@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org
Subject: [PATCH net-next 3/7] net: dsa: motorcomm: Fix port control/status register bit field names
Date: Thu, 10 Sep 2026 03:05:31 +0800 [thread overview]
Message-ID: <20260909190541.466476-4-mmyangfl@gmail.com> (raw)
In-Reply-To: <20260909190541.466476-1-mmyangfl@gmail.com>
Review and fix the incorrectness in the bit field names. No behavior
changed.
Signed-off-by: David Yang <mmyangfl@gmail.com>
---
drivers/net/dsa/motorcomm/chip.c | 3 ++-
drivers/net/dsa/motorcomm/chip.h | 7 ++++---
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/motorcomm/chip.c b/drivers/net/dsa/motorcomm/chip.c
index 946949a3aba8..53d0a85e9310 100644
--- a/drivers/net/dsa/motorcomm/chip.c
+++ b/drivers/net/dsa/motorcomm/chip.c
@@ -3747,7 +3747,8 @@ static int yt921x_port_down(struct yt921x_priv *priv, int port)
u32 mask;
int res;
- mask = YT921X_PORT_LINK | YT921X_PORT_RX_MAC_EN | YT921X_PORT_TX_MAC_EN;
+ mask = YT921X_PORT_CTRL_LINK_AN | YT921X_PORT_RX_MAC_EN |
+ YT921X_PORT_TX_MAC_EN;
res = yt921x_reg_clear_bits(priv, YT921X_PORTn_CTRL(port), mask);
if (res)
return res;
diff --git a/drivers/net/dsa/motorcomm/chip.h b/drivers/net/dsa/motorcomm/chip.h
index 6f0123d219e0..e87daf8c650b 100644
--- a/drivers/net/dsa/motorcomm/chip.h
+++ b/drivers/net/dsa/motorcomm/chip.h
@@ -94,11 +94,12 @@
#define YT921X_SERDES_SPEED_1000 YT921X_SERDES_SPEED(2)
#define YT921X_SERDES_SPEED_10000 YT921X_SERDES_SPEED(3)
#define YT921X_SERDES_SPEED_2500 YT921X_SERDES_SPEED(4)
-#define YT921X_PORTn_CTRL(port) (0x80100 + 4 * (port))
+#define YT921X_PORTn_CTRL(port) (0x80100 + 4 * (port)) /* Bit 7-0 shared with PORT_STATUS */
#define YT921X_PORT_CTRL_PAUSE_AN BIT(10)
+#define YT921X_PORT_CTRL_LINK_AN BIT(9)
+#define YT921X_PORT_CTRL_HALF_PAUSE BIT(8) /* Half-duplex back pressure mode */
#define YT921X_PORTn_STATUS(port) (0x80200 + 4 * (port))
-#define YT921X_PORT_LINK BIT(9) /* CTRL: auto negotiation */
-#define YT921X_PORT_HALF_PAUSE BIT(8) /* Half-duplex back pressure mode */
+#define YT921X_PORT_LINK BIT(8)
#define YT921X_PORT_DUPLEX_FULL BIT(7)
#define YT921X_PORT_RX_PAUSE BIT(6)
#define YT921X_PORT_TX_PAUSE BIT(5)
--
2.53.0
next prev parent reply other threads:[~2026-09-09 19:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 19:05 [PATCH net-next 0/7] net: dsa: motorcomm: Add SerDes PCS David Yang
2026-09-09 19:05 ` [PATCH net-next 1/7] net: dsa: motorcomm: Split xMII and SERDES port masks David Yang
2026-09-10 20:59 ` Andrew Lunn
2026-09-10 21:37 ` David Yang
2026-09-09 19:05 ` [PATCH net-next 2/7] net: dsa: motorcomm: Check port type with runtime info David Yang
2026-09-09 19:05 ` David Yang [this message]
2026-09-09 19:05 ` [PATCH net-next 4/7] net: dsa: motorcomm: Introduce yt921x_speed David Yang
2026-09-09 19:05 ` [PATCH net-next 5/7] net: dsa: motorcomm: Hoist port_to_priv helper into chip.h David Yang
2026-09-09 19:05 ` [PATCH net-next 6/7] net: dsa: motorcomm: Split MDIO bus module David Yang
2026-09-09 19:05 ` [PATCH net-next 7/7] net: dsa: motorcomm: Add SerDes PCS David Yang
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