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Message-Id: <1314704844-5643-3-git-send-email-mark.einon@gmail.com>
Date: Tue, 30 Aug 2011 12:47:24 +0100
From: Mark Einon <mark.einon@...il.com>
To: gregkh@...e.de
Cc: greg@...ah.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org, o.hartmann@...ovital.com,
Mark Einon <mark.einon@...il.com>
Subject: [PATCH 3/3] staging: et131x: Remove redundant phy code
Now we are using a phy_device, remove driver functionality that is now handled by the phydev.
Signed-off-by: Mark Einon <mark.einon@...il.com>
---
drivers/staging/et131x/et1310_phy.c | 415 +------------------------------
drivers/staging/et131x/et1310_pm.c | 15 +-
drivers/staging/et131x/et131x.h | 7 +-
drivers/staging/et131x/et131x_initpci.c | 30 +---
4 files changed, 15 insertions(+), 452 deletions(-)
diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
index 9613846..c216bbb 100644
--- a/drivers/staging/et131x/et1310_phy.c
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -122,7 +122,7 @@ int et131x_mdio_reset(struct mii_bus *bus)
struct net_device *netdev = bus->priv;
struct et131x_adapter *adapter = netdev_priv(netdev);
- et1310_phy_reset(adapter);
+ et131x_mii_write(adapter, PHY_CONTROL, 0x8000);
return 0;
}
@@ -278,11 +278,6 @@ int et131x_mii_write(struct et131x_adapter *adapter, u8 reg, u16 value)
return status;
}
-void et1310_phy_reset(struct et131x_adapter *adapter)
-{
- et131x_mii_write(adapter, PHY_CONTROL, 0x8000);
-}
-
/**
* et1310_phy_power_down - PHY power control
* @adapter: device to control
@@ -305,63 +300,6 @@ void et1310_phy_power_down(struct et131x_adapter *adapter, bool down)
}
/**
- * et1310_phy_auto_neg - autonegotiate control
- * @adapter: device to control
- * @enabe: autoneg on/off
- *
- * Set up the autonegotiation state according to whether we will be
- * negotiating the state or forcing a speed.
- */
-static void et1310_phy_auto_neg(struct et131x_adapter *adapter, bool enable)
-{
- u16 data;
-
- et131x_mii_read(adapter, PHY_CONTROL, &data);
- data &= ~0x1000; /* Autonegotiation OFF */
- if (enable)
- data |= 0x1000; /* Autonegotiation ON */
- et131x_mii_write(adapter, PHY_CONTROL, data);
-}
-
-/**
- * et1310_phy_duplex_mode - duplex control
- * @adapter: device to control
- * @duplex: duplex on/off
- *
- * Set up the duplex state on the PHY
- */
-static void et1310_phy_duplex_mode(struct et131x_adapter *adapter, u16 duplex)
-{
- u16 data;
-
- et131x_mii_read(adapter, PHY_CONTROL, &data);
- data &= ~0x100; /* Set Half Duplex */
- if (duplex == TRUEPHY_DUPLEX_FULL)
- data |= 0x100; /* Set Full Duplex */
- et131x_mii_write(adapter, PHY_CONTROL, data);
-}
-
-/**
- * et1310_phy_speed_select - speed control
- * @adapter: device to control
- * @duplex: duplex on/off
- *
- * Set the speed of our PHY.
- */
-static void et1310_phy_speed_select(struct et131x_adapter *adapter, u16 speed)
-{
- u16 data;
- static const u16 bits[3] = {0x0000, 0x2000, 0x0040};
-
- /* Read the PHY control register */
- et131x_mii_read(adapter, PHY_CONTROL, &data);
- /* Clear all Speed settings (Bits 6, 13) */
- data &= ~0x2040;
- /* Write back the new speed */
- et131x_mii_write(adapter, PHY_CONTROL, data | bits[speed]);
-}
-
-/**
* et1310_phy_link_status - read link state
* @adapter: device to read
* @link_status: reported link state
@@ -450,122 +388,12 @@ void et1310_phy_access_mii_bit(struct et131x_adapter *adapter, u16 action,
}
}
-void et1310_phy_advertise_1000BaseT(struct et131x_adapter *adapter,
- u16 duplex)
-{
- u16 data;
-
- /* Read the PHY 1000 Base-T Control Register */
- et131x_mii_read(adapter, PHY_1000_CONTROL, &data);
-
- /* Clear Bits 8,9 */
- data &= ~0x0300;
-
- switch (duplex) {
- case TRUEPHY_ADV_DUPLEX_NONE:
- /* Duplex already cleared, do nothing */
- break;
-
- case TRUEPHY_ADV_DUPLEX_FULL:
- /* Set Bit 9 */
- data |= 0x0200;
- break;
-
- case TRUEPHY_ADV_DUPLEX_HALF:
- /* Set Bit 8 */
- data |= 0x0100;
- break;
-
- case TRUEPHY_ADV_DUPLEX_BOTH:
- default:
- data |= 0x0300;
- break;
- }
-
- /* Write back advertisement */
- et131x_mii_write(adapter, PHY_1000_CONTROL, data);
-}
-
-static void et1310_phy_advertise_100BaseT(struct et131x_adapter *adapter,
- u16 duplex)
-{
- u16 data;
-
- /* Read the Autonegotiation Register (10/100) */
- et131x_mii_read(adapter, PHY_AUTO_ADVERTISEMENT, &data);
-
- /* Clear bits 7,8 */
- data &= ~0x0180;
-
- switch (duplex) {
- case TRUEPHY_ADV_DUPLEX_NONE:
- /* Duplex already cleared, do nothing */
- break;
-
- case TRUEPHY_ADV_DUPLEX_FULL:
- /* Set Bit 8 */
- data |= 0x0100;
- break;
-
- case TRUEPHY_ADV_DUPLEX_HALF:
- /* Set Bit 7 */
- data |= 0x0080;
- break;
-
- case TRUEPHY_ADV_DUPLEX_BOTH:
- default:
- /* Set Bits 7,8 */
- data |= 0x0180;
- break;
- }
-
- /* Write back advertisement */
- et131x_mii_write(adapter, PHY_AUTO_ADVERTISEMENT, data);
-}
-
-static void et1310_phy_advertise_10BaseT(struct et131x_adapter *adapter,
- u16 duplex)
-{
- u16 data;
-
- /* Read the Autonegotiation Register (10/100) */
- et131x_mii_read(adapter, PHY_AUTO_ADVERTISEMENT, &data);
-
- /* Clear bits 5,6 */
- data &= ~0x0060;
-
- switch (duplex) {
- case TRUEPHY_ADV_DUPLEX_NONE:
- /* Duplex already cleared, do nothing */
- break;
-
- case TRUEPHY_ADV_DUPLEX_FULL:
- /* Set Bit 6 */
- data |= 0x0040;
- break;
-
- case TRUEPHY_ADV_DUPLEX_HALF:
- /* Set Bit 5 */
- data |= 0x0020;
- break;
-
- case TRUEPHY_ADV_DUPLEX_BOTH:
- default:
- /* Set Bits 5,6 */
- data |= 0x0060;
- break;
- }
-
- /* Write back advertisement */
- et131x_mii_write(adapter, PHY_AUTO_ADVERTISEMENT, data);
-}
-
/**
* et131x_xcvr_init - Init the phy if we are setting it into force mode
* @adapter: pointer to our private adapter structure
*
*/
-static void et131x_xcvr_init(struct et131x_adapter *adapter)
+void et131x_xcvr_init(struct et131x_adapter *adapter)
{
u16 imr;
u16 isr;
@@ -607,132 +435,6 @@ static void et131x_xcvr_init(struct et131x_adapter *adapter)
et131x_mii_write(adapter, (u8) offsetof(struct mi_regs, lcr2),
lcr2);
}
-
- /* Determine if we need to go into a force mode and set it */
- if (adapter->ai_force_speed == 0 && adapter->ai_force_duplex == 0) {
- if (adapter->wanted_flow == FLOW_TXONLY ||
- adapter->wanted_flow == FLOW_BOTH)
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_SET, 4, 11, NULL);
- else
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_CLEAR, 4, 11, NULL);
-
- if (adapter->wanted_flow == FLOW_BOTH)
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_SET, 4, 10, NULL);
- else
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_CLEAR, 4, 10, NULL);
-
- /* Set the phy to autonegotiation */
- et1310_phy_auto_neg(adapter, true);
-
- /* NOTE - Do we need this? */
- et1310_phy_access_mii_bit(adapter, TRUEPHY_BIT_SET, 0, 9, NULL);
- return;
- }
-
- et1310_phy_auto_neg(adapter, false);
-
- /* Set to the correct force mode. */
- if (adapter->ai_force_duplex != 1) {
- if (adapter->wanted_flow == FLOW_TXONLY ||
- adapter->wanted_flow == FLOW_BOTH)
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_SET, 4, 11, NULL);
- else
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_CLEAR, 4, 11, NULL);
-
- if (adapter->wanted_flow == FLOW_BOTH)
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_SET, 4, 10, NULL);
- else
- et1310_phy_access_mii_bit(adapter,
- TRUEPHY_BIT_CLEAR, 4, 10, NULL);
- } else {
- et1310_phy_access_mii_bit(adapter, TRUEPHY_BIT_CLEAR,
- 4, 10, NULL);
- et1310_phy_access_mii_bit(adapter, TRUEPHY_BIT_CLEAR,
- 4, 11, NULL);
- }
- et1310_phy_power_down(adapter, 1);
- switch (adapter->ai_force_speed) {
- case 10:
- /* First we need to turn off all other advertisement */
- et1310_phy_advertise_1000BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- et1310_phy_advertise_100BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- if (adapter->ai_force_duplex == 1) {
- /* Set our advertise values accordingly */
- et1310_phy_advertise_10BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_HALF);
- } else if (adapter->ai_force_duplex == 2) {
- /* Set our advertise values accordingly */
- et1310_phy_advertise_10BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_FULL);
- } else {
- /* Disable autoneg */
- et1310_phy_auto_neg(adapter, false);
- /* Disable rest of the advertisements */
- et1310_phy_advertise_10BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_NONE);
- /* Force 10 Mbps */
- et1310_phy_speed_select(adapter, TRUEPHY_SPEED_10MBPS);
- /* Force Full duplex */
- et1310_phy_duplex_mode(adapter, TRUEPHY_DUPLEX_FULL);
- }
- break;
- case 100:
- /* first we need to turn off all other advertisement */
- et1310_phy_advertise_1000BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- et1310_phy_advertise_10BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- if (adapter->ai_force_duplex == 1) {
- /* Set our advertise values accordingly */
- et1310_phy_advertise_100BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_HALF);
- /* Set speed */
- et1310_phy_speed_select(adapter, TRUEPHY_SPEED_100MBPS);
- } else if (adapter->ai_force_duplex == 2) {
- /* Set our advertise values accordingly */
- et1310_phy_advertise_100BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_FULL);
- } else {
- /* Disable autoneg */
- et1310_phy_auto_neg(adapter, false);
- /* Disable other advertisement */
- et1310_phy_advertise_100BaseT(adapter,
- TRUEPHY_ADV_DUPLEX_NONE);
- /* Force 100 Mbps */
- et1310_phy_speed_select(adapter, TRUEPHY_SPEED_100MBPS);
- /* Force Full duplex */
- et1310_phy_duplex_mode(adapter, TRUEPHY_DUPLEX_FULL);
- }
- break;
- case 1000:
- /* first we need to turn off all other advertisement */
- et1310_phy_advertise_100BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- et1310_phy_advertise_10BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
- /* set our advertise values accordingly */
- et1310_phy_advertise_1000BaseT(adapter, TRUEPHY_ADV_DUPLEX_FULL);
- break;
- }
- et1310_phy_power_down(adapter, 0);
-}
-
-/**
- * et131x_setphy_normal - Set PHY for normal operation.
- * @adapter: pointer to our private adapter structure
- *
- * Used by Power Management to force the PHY into 10 Base T half-duplex mode,
- * when going to D3 in WOL mode. Also used during initialization to set the
- * PHY for normal operation.
- */
-void et131x_setphy_normal(struct et131x_adapter *adapter)
-{
- /* Make sure the PHY is powered up */
- et1310_phy_power_down(adapter, 0);
- et131x_xcvr_init(adapter);
}
void et131x_mii_check(struct et131x_adapter *adapter,
@@ -847,116 +549,3 @@ void et131x_mii_check(struct et131x_adapter *adapter,
}
}
-/*
- * The routines which follow provide low-level access to the PHY, and are used
- * primarily by the routines above (although there are a few places elsewhere
- * in the driver where this level of access is required).
- */
-static const u16 config_phy[25][2] = {
- /* Reg Value Register */
- /* Addr */
- {0x880B, 0x0926}, /* AfeIfCreg4B1000Msbs */
- {0x880C, 0x0926}, /* AfeIfCreg4B100Msbs */
- {0x880D, 0x0926}, /* AfeIfCreg4B10Msbs */
-
- {0x880E, 0xB4D3}, /* AfeIfCreg4B1000Lsbs */
- {0x880F, 0xB4D3}, /* AfeIfCreg4B100Lsbs */
- {0x8810, 0xB4D3}, /* AfeIfCreg4B10Lsbs */
-
- {0x8805, 0xB03E}, /* AfeIfCreg3B1000Msbs */
- {0x8806, 0xB03E}, /* AfeIfCreg3B100Msbs */
- {0x8807, 0xFF00}, /* AfeIfCreg3B10Msbs */
-
- {0x8808, 0xE090}, /* AfeIfCreg3B1000Lsbs */
- {0x8809, 0xE110}, /* AfeIfCreg3B100Lsbs */
- {0x880A, 0x0000}, /* AfeIfCreg3B10Lsbs */
-
- {0x300D, 1}, /* DisableNorm */
-
- {0x280C, 0x0180}, /* LinkHoldEnd */
-
- {0x1C21, 0x0002}, /* AlphaM */
-
- {0x3821, 6}, /* FfeLkgTx0 */
- {0x381D, 1}, /* FfeLkg1g4 */
- {0x381E, 1}, /* FfeLkg1g5 */
- {0x381F, 1}, /* FfeLkg1g6 */
- {0x3820, 1}, /* FfeLkg1g7 */
-
- {0x8402, 0x01F0}, /* Btinact */
- {0x800E, 20}, /* LftrainTime */
- {0x800F, 24}, /* DvguardTime */
- {0x8010, 46}, /* IdlguardTime */
-
- {0, 0}
-};
-
-/* condensed version of the phy initialization routine */
-void et1310_phy_init(struct et131x_adapter *adapter)
-{
- u16 data, index;
-
- /* get the identity (again ?) */
- et131x_mii_read(adapter, PHY_ID_1, &data);
- et131x_mii_read(adapter, PHY_ID_2, &data);
-
- /* what does this do/achieve ? */
- /* should read 0002 */
- et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, &data);
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0006);
-
- /* read modem register 0402, should I do something with the return
- data ? */
- et131x_mii_write(adapter, PHY_INDEX_REG, 0x0402);
- et131x_mii_read(adapter, PHY_DATA_REG, &data);
-
- /* what does this do/achieve ? */
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0002);
-
- /* get the identity (again ?) */
- et131x_mii_read(adapter, PHY_ID_1, &data);
- et131x_mii_read(adapter, PHY_ID_2, &data);
-
- /* what does this achieve ? */
- /* should read 0002 */
- et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, &data);
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0006);
-
- /* read modem register 0402, should I do something with
- the return data? */
- et131x_mii_write(adapter, PHY_INDEX_REG, 0x0402);
- et131x_mii_read(adapter, PHY_DATA_REG, &data);
-
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0002);
-
- /* what does this achieve (should return 0x1040) */
- et131x_mii_read(adapter, PHY_CONTROL, &data);
- /* should read 0002 */
- et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, &data);
- et131x_mii_write(adapter, PHY_CONTROL, 0x1840);
-
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0007);
-
- /* here the writing of the array starts.... */
- index = 0;
- while (config_phy[index][0] != 0x0000) {
- /* write value */
- et131x_mii_write(adapter, PHY_INDEX_REG, config_phy[index][0]);
- et131x_mii_write(adapter, PHY_DATA_REG, config_phy[index][1]);
-
- /* read it back */
- et131x_mii_write(adapter, PHY_INDEX_REG, config_phy[index][0]);
- et131x_mii_read(adapter, PHY_DATA_REG, &data);
-
- /* do a check on the value read back ? */
- index++;
- }
- /* here the writing of the array ends... */
-
- et131x_mii_read(adapter, PHY_CONTROL, &data); /* 0x1840 */
- /* should read 0007 */
- et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, &data);
- et131x_mii_write(adapter, PHY_CONTROL, 0x1040);
- et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, 0x0002);
-}
-
diff --git a/drivers/staging/et131x/et1310_pm.c b/drivers/staging/et131x/et1310_pm.c
index 5ebf064..b20d5d6 100644
--- a/drivers/staging/et131x/et1310_pm.c
+++ b/drivers/staging/et131x/et1310_pm.c
@@ -116,8 +116,12 @@ void et1310_enable_phy_coma(struct et131x_adapter *adapter)
/* Save the GbE PHY speed and duplex modes. Need to restore this
* when cable is plugged back in
*/
- adapter->pdown_speed = adapter->ai_force_speed;
- adapter->pdown_duplex = adapter->ai_force_duplex;
+ /*
+ * TODO - when PM is re-enabled, check if we need to
+ * perform a similar task as this -
+ * adapter->pdown_speed = adapter->ai_force_speed;
+ * adapter->pdown_duplex = adapter->ai_force_duplex;
+ */
/* Stop sending packets. */
spin_lock_irqsave(&adapter->send_hw_lock, flags);
@@ -153,8 +157,11 @@ void et1310_disable_phy_coma(struct et131x_adapter *adapter)
/* Restore the GbE PHY speed and duplex modes;
* Reset JAGCore; re-configure and initialize JAGCore and gigE PHY
*/
- adapter->ai_force_speed = adapter->pdown_speed;
- adapter->ai_force_duplex = adapter->pdown_duplex;
+ /* TODO - when PM is re-enabled, check if we need to
+ * perform a similar task as this -
+ * adapter->ai_force_speed = adapter->pdown_speed;
+ * adapter->ai_force_duplex = adapter->pdown_duplex;
+ */
/* Re-initialize the send structures */
et131x_init_send(adapter);
diff --git a/drivers/staging/et131x/et131x.h b/drivers/staging/et131x/et131x.h
index 763396a..f52fa18 100644
--- a/drivers/staging/et131x/et131x.h
+++ b/drivers/staging/et131x/et131x.h
@@ -89,17 +89,12 @@ void et1310_enable_phy_coma(struct et131x_adapter *adapter);
void et1310_disable_phy_coma(struct et131x_adapter *adapter);
/* et1310_phy.c */
-void et1310_phy_init(struct et131x_adapter *adapter);
-void et1310_phy_reset(struct et131x_adapter *adapter);
void et1310_phy_power_down(struct et131x_adapter *adapter, bool down);
-void et1310_phy_advertise_1000BaseT(struct et131x_adapter *adapter,
- u16 duplex);
void et1310_phy_access_mii_bit(struct et131x_adapter *adapter,
u16 action,
u16 regnum, u16 bitnum, u8 *value);
-int et131x_xcvr_find(struct et131x_adapter *adapter);
-void et131x_setphy_normal(struct et131x_adapter *adapter);
+void et131x_xcvr_init(struct et131x_adapter *adapter);
/* static inline function does not work because et131x_adapter is not always
* defined
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index 66cf1ce..6ffebfa 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -137,7 +137,6 @@ void et131x_hwaddr_init(struct et131x_adapter *adapter)
}
}
-
/**
* et131x_pci_init - initial PCI setup
* @adapter: pointer to our private adapter structure
@@ -146,7 +145,6 @@ void et131x_hwaddr_init(struct et131x_adapter *adapter)
* Perform the initial setup of PCI registers and if possible initialise
* the MAC address. At this point the I/O registers have yet to be mapped
*/
-
static int et131x_pci_init(struct et131x_adapter *adapter,
struct pci_dev *pdev)
{
@@ -347,28 +345,8 @@ void et131x_adapter_setup(struct et131x_adapter *adapter)
et1310_config_macstat_regs(adapter);
- /* Prepare the TRUEPHY library. */
- et1310_phy_init(adapter);
-
- /* Reset the phy now so changes take place */
- et1310_phy_reset(adapter);
-
- /* Power down PHY */
- et1310_phy_power_down(adapter, 1);
-
- /*
- * We need to turn off 1000 base half dulplex, the mac does not
- * support it. For the 10/100 part, turn off all gig advertisement
- */
- if (adapter->pdev->device != ET131X_PCI_DEVICE_ID_FAST)
- et1310_phy_advertise_1000BaseT(adapter, TRUEPHY_ADV_DUPLEX_FULL);
- else
- et1310_phy_advertise_1000BaseT(adapter, TRUEPHY_ADV_DUPLEX_NONE);
-
- /* Power up PHY */
et1310_phy_power_down(adapter, 0);
-
- et131x_setphy_normal(adapter);
+ et131x_xcvr_init(adapter);
}
/**
@@ -547,8 +525,6 @@ static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev,
struct pci_dev *pdev)
{
static const u8 default_mac[] = { 0x00, 0x05, 0x3d, 0x00, 0x02, 0x00 };
- static const u8 duplex[] = { 0, 1, 2, 1, 2, 2 };
- static const u16 speed[] = { 0, 10, 10, 100, 100, 1000 };
struct et131x_adapter *adapter;
@@ -571,15 +547,11 @@ static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev,
spin_lock_init(&adapter->fbr_lock);
spin_lock_init(&adapter->phy_lock);
- adapter->speed_duplex = 0; /* Auto Speed Auto Duplex */
adapter->registry_jumbo_packet = 1514; /* 1514-9216 */
/* Set the MAC address to a default */
memcpy(adapter->addr, default_mac, ETH_ALEN);
- adapter->ai_force_speed = speed[adapter->speed_duplex];
- adapter->ai_force_duplex = duplex[adapter->speed_duplex]; /* Auto FDX */
-
return adapter;
}
--
1.7.6
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