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path: root/drivers/net/phy/dp83848.c
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2020-11-25net: phy: ti: remove the use of .ack_interrupt()Ioana Ciornei
In preparation of removing the .ack_interrupt() callback, we must replace its occurrences (aka phy_clear_interrupt), from the 2 places where it is called from (phy_enable_interrupts and phy_disable_interrupts), with equivalent functionality. This means that clearing interrupts now becomes something that the PHY driver is responsible of doing, before enabling interrupts and after clearing them. Make this driver follow the new contract. Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-25net: phy: ti: implement generic .handle_interrupt() callbackIoana Ciornei
In an attempt to actually support shared IRQs in phylib, we now move the responsibility of triggering the phylib state machine or just returning IRQ_NONE, based on the IRQ status register, to the PHY driver. Having 3 different IRQ handling callbacks (.handle_interrupt(), .did_interrupt() and .ack_interrupt() ) is confusing so let the PHY driver implement directly an IRQ handler like any other device driver. Make this driver follow the new convention. Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2019-08-17net: phy: remove calls to genphy_config_initHeiner Kallweit
Supported PHY features are either auto-detected or explicitly set. In both cases calling genphy_config_init isn't needed. All that genphy_config_init does is removing features that are set as supported but can't be auto-detected. Basically it duplicates the code in genphy_read_abilities. Therefore remove such calls from all PHY drivers. v2: - remove call also from new adin PHY driver v3: - pass NULL as config_init function pointer for dp83848 Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-15net: phy: switch drivers to use dynamic feature detectionHeiner Kallweit
Recently genphy_read_abilities() has been added that dynamically detects clause 22 PHY abilities. I *think* this detection should work with all supported PHY's, at least for the ones with basic features sets, i.e. PHY_BASIC_FEATURES and PHY_GBIT_FEATURES. So let's remove setting these features explicitly and rely on phylib feature detection. I don't have access to most of these PHY's, therefore I'd appreciate regression testing. v2: - make the feature constant a comment so that readers know which features are supported by the respective PHY Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-22net: phy: Fixup GPLv2 SPDX tags based on license textAndrew Lunn
A few PHY drivers have the GPLv2 license text. They then either have a MODULE_LICENSE() of GPLv2+, or an SPDX tag of GPLv2+. Since the license text is much easier to understand than either the SPDX tag or the MODULE_LICENSE, use it as the definitive source of the licence, and fixup with others when there are contradictions. Cc: Russell King <rmk+kernel@armlinux.org.uk> Cc: Jonas Jensen <jonas.jensen@gmail.com> Cc: Laurent Pinchart <laurentp@cse-semaphore.com> Cc: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Cc: Scott Wood <scottwood@freescale.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Andrew F. Davis <afd@ti.com> Acked-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: remove flag PHY_HAS_INTERRUPT from driver configsHeiner Kallweit
Now that flag PHY_HAS_INTERRUPT has been replaced with a check for callbacks config_intr and ack_interrupt, we can remove setting this flag from all driver configs. Last but not least remove flag PHY_HAS_INTERRUPT completely. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-10net: phy: dp83822: use BMCR_ANENABLE instead of BMSR_ANEGCAPABLE for DP83620Alvaro Gamez Machado
DP83620 register set is compatible with the DP83848, but it also supports 100base-FX. When the hardware is configured such as that fiber mode is enabled, autonegotiation is not possible. The chip, however, doesn't expose this information via BMSR_ANEGCAPABLE. Instead, this bit is always set high, even if the particular hardware configuration makes it so that auto negotiation is not possible [1]. Under these circumstances, the phy subsystem keeps trying for autonegotiation to happen, without success. Hereby, we inspect BMCR_ANENABLE bit after genphy_config_init, which on reset is set to 0 when auto negotiation is disabled, and so we use this value instead of BMSR_ANEGCAPABLE. [1] https://e2e.ti.com/support/interface/ethernet/f/903/p/697165/2571170 Signed-off-by: Alvaro Gamez Machado <alvaro.gamez@hazent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-01net: phy: remove generic settings for callbacks config_aneg and read_status ↵Heiner Kallweit
from drivers Remove generic settings for callbacks config_aneg and read_status from drivers. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-11net: phy: DP83822 initial driver submissionDan Murphy
Add support for the TI DP83822 10/100Mbit ethernet phy. The DP83822 provides flexibility to connect to a MAC through a standard MII, RMII or RGMII interface. In addition the DP83822 needs to be removed from the DP83848 driver as the WoL support is added here for this device. Datasheet: http://www.ti.com/product/DP83822I/datasheet Signed-off-by: Dan Murphy <dmurphy@ti.com> Acked-by: Andrew F. Davis <afd@ti.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-24net: phy: dp83848: Fix TypoAndrew F. Davis
Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-01-17net: phy: dp83848: add DP83620 PHY supportAlvaro G. M
This PHY with fiber support is register compatible with DP83848, so add support for it. Signed-off-by: Alvaro Gamez Machado <alvaro.gamez@hazent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29net: phy: dp83848: add dp83822 PHY supportRoger Quadros
This PHY has a compatible register set with DP83848x so add support for it. Acked-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-18net: phy: dp83848: Fix sysfs naming collision warningAndrew F. Davis
Files in sysfs are created using the name from the phy_driver struct, when two names are the same we may get a duplicate filename warning, fix this. Reported-by: kernel test robot <ying.huang@linux.intel.com> Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11net: phy: dp83848: Add comments for register definitionsAndrew F. Davis
Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11net: phy: dp83848: Add support for TI TLK10x Ethernet PHYsAndrew F. Davis
The TI TLK10x Ethernet PHYs are similar in the interrupt relevant registers and so are compatible with the DP83848x devices already supported. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11net: phy: dp83848: Reorganize code for readability and safetyAndrew F. Davis
Reorganize code by moving the desired interrupt mask definition out of function. Also rearrange the enable/disable interrupt function to prevent accidental over-writing of values in registers. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11net: phy: dp83848: Add PHY ID for TI version of DP83848CAndrew F. Davis
After acquiring National Semiconductor, TI appears to have changed the Vendor Model Number for the DP83848C PHYs, add this new ID to supported IDs. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11net: phy: dp83848: Add macro for dp83848 compatible devicesAndrew F. Davis
Add a helper macro for defining dp83848 compatible phy devices. Update copyright info. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07phy: Centralize setting driver module ownerAndrew Lunn
Rather than have each driver set the driver owner field, do it once in the core code. This will also help with later changes, when the device structure will move. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-22net: phy: dp83848: Add TI DP83848 Ethernet PHYAndrew F. Davis
Add support for the TI DP83848 Ethernet PHY device. The DP83848 is a highly reliable, feature rich, IEEE 802.3 compliant single port 10/100 Mb/s Ethernet Physical Layer Transceiver supporting the MII and RMII interfaces. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Dan Murphy <dmurphy@ti.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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