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Message-Id: <E1swfQz-006Dfg-5U@rmk-PC.armlinux.org.uk>
Date: Fri, 04 Oct 2024 11:21:17 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Florian Fainelli <f.fainelli@...il.com>,
Jakub Kicinski <kuba@...nel.org>,
Jiawen Wu <jiawenwu@...stnetic.com>,
Jose Abreu <joabreu@...opsys.com>,
Jose Abreu <Jose.Abreu@...opsys.com>,
linux-arm-kernel@...ts.infradead.org,
linux-stm32@...md-mailman.stormreply.com,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Mengyuan Lou <mengyuanlou@...-swift.com>,
netdev@...r.kernel.org,
Paolo Abeni <pabeni@...hat.com>,
Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH net-next 08/13] net: pcs: xpcs: use FIELD_PREP() and
FIELD_GET()
Convert xpcs to use the bitfield macros rather than definining the
bitfield shifts and open-coding the insertion and extraction of these
bitfields.
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
drivers/net/pcs/pcs-xpcs.c | 14 ++++++--------
drivers/net/pcs/pcs-xpcs.h | 4 ----
2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 805856cabba1..f55bc180c624 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -592,7 +592,8 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable)
ret = DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN |
DW_VR_MII_EEE_TX_QUIET_EN | DW_VR_MII_EEE_RX_QUIET_EN |
DW_VR_MII_EEE_TX_EN_CTRL | DW_VR_MII_EEE_RX_EN_CTRL |
- mult_fact_100ns << DW_VR_MII_EEE_MULT_FACT_100NS_SHIFT;
+ FIELD_PREP(DW_VR_MII_EEE_MULT_FACT_100NS,
+ mult_fact_100ns);
} else {
ret &= ~(DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN |
DW_VR_MII_EEE_TX_QUIET_EN | DW_VR_MII_EEE_RX_QUIET_EN |
@@ -681,9 +682,8 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs,
return ret;
ret &= ~(DW_VR_MII_PCS_MODE_MASK | DW_VR_MII_TX_CONFIG_MASK);
- ret |= (DW_VR_MII_PCS_MODE_C37_SGMII <<
- DW_VR_MII_AN_CTRL_PCS_MODE_SHIFT &
- DW_VR_MII_PCS_MODE_MASK);
+ ret |= FIELD_PREP(DW_VR_MII_PCS_MODE_MASK,
+ DW_VR_MII_PCS_MODE_C37_SGMII);
if (xpcs->info.pma == WX_TXGBE_XPCS_PMA_10G_ID) {
ret |= DW_VR_MII_AN_CTRL_8BIT;
/* Hardware requires it to be PHY side SGMII */
@@ -691,8 +691,7 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs,
} else {
tx_conf = DW_VR_MII_TX_CONFIG_MAC_SIDE_SGMII;
}
- ret |= tx_conf << DW_VR_MII_AN_CTRL_TX_CONFIG_SHIFT &
- DW_VR_MII_TX_CONFIG_MASK;
+ ret |= FIELD_PREP(DW_VR_MII_TX_CONFIG_MASK, tx_conf);
ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_AN_CTRL, ret);
if (ret < 0)
return ret;
@@ -971,8 +970,7 @@ static int xpcs_get_state_c37_sgmii(struct dw_xpcs *xpcs,
state->link = true;
- speed_value = (ret & DW_VR_MII_AN_STS_C37_ANSGM_SP) >>
- DW_VR_MII_AN_STS_C37_ANSGM_SP_SHIFT;
+ speed_value = FIELD_GET(DW_VR_MII_AN_STS_C37_ANSGM_SP, ret);
if (speed_value == DW_VR_MII_C37_ANSGM_SP_1000)
state->speed = SPEED_1000;
else if (speed_value == DW_VR_MII_C37_ANSGM_SP_100)
diff --git a/drivers/net/pcs/pcs-xpcs.h b/drivers/net/pcs/pcs-xpcs.h
index 1b546eae8280..8902485730a2 100644
--- a/drivers/net/pcs/pcs-xpcs.h
+++ b/drivers/net/pcs/pcs-xpcs.h
@@ -77,11 +77,9 @@
/* VR_MII_AN_CTRL */
#define DW_VR_MII_AN_CTRL_8BIT BIT(8)
-#define DW_VR_MII_AN_CTRL_TX_CONFIG_SHIFT 3
#define DW_VR_MII_TX_CONFIG_MASK BIT(3)
#define DW_VR_MII_TX_CONFIG_PHY_SIDE_SGMII 0x1
#define DW_VR_MII_TX_CONFIG_MAC_SIDE_SGMII 0x0
-#define DW_VR_MII_AN_CTRL_PCS_MODE_SHIFT 1
#define DW_VR_MII_PCS_MODE_MASK GENMASK(2, 1)
#define DW_VR_MII_PCS_MODE_C37_1000BASEX 0x0
#define DW_VR_MII_PCS_MODE_C37_SGMII 0x2
@@ -90,7 +88,6 @@
/* VR_MII_AN_INTR_STS */
#define DW_VR_MII_AN_STS_C37_ANCMPLT_INTR BIT(0)
#define DW_VR_MII_AN_STS_C37_ANSGM_FD BIT(1)
-#define DW_VR_MII_AN_STS_C37_ANSGM_SP_SHIFT 2
#define DW_VR_MII_AN_STS_C37_ANSGM_SP GENMASK(3, 2)
#define DW_VR_MII_C37_ANSGM_SP_10 0x0
#define DW_VR_MII_C37_ANSGM_SP_100 0x1
@@ -114,7 +111,6 @@
#define DW_VR_MII_EEE_TX_EN_CTRL BIT(4) /* Tx Control Enable */
#define DW_VR_MII_EEE_RX_EN_CTRL BIT(7) /* Rx Control Enable */
-#define DW_VR_MII_EEE_MULT_FACT_100NS_SHIFT 8
#define DW_VR_MII_EEE_MULT_FACT_100NS GENMASK(11, 8)
/* VR MII EEE Control 1 defines */
--
2.30.2
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