linux-kernel - [PATCH net-next v4 3/8] net: phy: mscc: remove the TR CLK disable magic value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200623143014.47864-4-antoine.tenart@bootlin.com>
Date:   Tue, 23 Jun 2020 16:30:09 +0200
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com, richardcochran@...il.com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, allan.nielsen@...rochip.com,
        foss@...il.net, antoine.tenart@...tlin.com
Subject: [PATCH net-next v4 3/8] net: phy: mscc: remove the TR CLK disable magic value

From: Quentin Schulz <quentin.schulz@...tlin.com>

This patch adds a define for the 0x8000 magic value used to perform
enable/disable actions on the "token ring clock". The patch is only
cosmetic.

Signed-off-by: Quentin Schulz <quentin.schulz@...tlin.com>
Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/phy/mscc/mscc.h      |  1 +
 drivers/net/phy/mscc/mscc_main.c | 10 +++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h
index fbcee5fce7b2..756ec418f4f8 100644
--- a/drivers/net/phy/mscc/mscc.h
+++ b/drivers/net/phy/mscc/mscc.h
@@ -252,6 +252,7 @@ enum rgmii_clock_delay {
 /* Test page Registers */
 #define MSCC_PHY_TEST_PAGE_5		  5
 #define MSCC_PHY_TEST_PAGE_8		  8
+#define TR_CLK_DISABLE			  0x8000
 #define MSCC_PHY_TEST_PAGE_9		  9
 #define MSCC_PHY_TEST_PAGE_20		  20
 #define MSCC_PHY_TEST_PAGE_24		  24
diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 5ddc44f87eaf..052a0def6e83 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -629,7 +629,7 @@ static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
 	if (rc < 0)
 		return rc;
 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
-			      MSCC_PHY_TEST_PAGE_8, 0x8000, 0x8000);
+			      MSCC_PHY_TEST_PAGE_8, TR_CLK_DISABLE, TR_CLK_DISABLE);
 	if (rc < 0)
 		return rc;
 
@@ -1026,7 +1026,7 @@ static int vsc8574_config_pre_init(struct phy_device *phydev)
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
 
 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
-	reg |= 0x8000;
+	reg |= TR_CLK_DISABLE;
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
 
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
@@ -1046,7 +1046,7 @@ static int vsc8574_config_pre_init(struct phy_device *phydev)
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
 
 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
-	reg &= ~0x8000;
+	reg &= ~TR_CLK_DISABLE;
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
 
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
@@ -1196,7 +1196,7 @@ static int vsc8584_config_pre_init(struct phy_device *phydev)
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
 
 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
-	reg |= 0x8000;
+	reg |= TR_CLK_DISABLE;
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
 
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
@@ -1225,7 +1225,7 @@ static int vsc8584_config_pre_init(struct phy_device *phydev)
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
 
 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
-	reg &= ~0x8000;
+	reg &= ~TR_CLK_DISABLE;
 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
 
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
-- 
2.26.2