diff --git a/drivers/net/dsa/mv88e6xxx/Kconfig b/drivers/net/dsa/mv88e6xxx/Kconfig
index 634a48e6616b9..7a2445a34eb77 100644
--- a/drivers/net/dsa/mv88e6xxx/Kconfig
+++ b/drivers/net/dsa/mv88e6xxx/Kconfig
@@ -2,6 +2,7 @@
config NET_DSA_MV88E6XXX
tristate "Marvell 88E6xxx Ethernet switch fabric support"
depends on NET_DSA
+ depends on PTP_1588_CLOCK_OPTIONAL
select IRQ_DOMAIN
select NET_DSA_TAG_EDSA
select NET_DSA_TAG_DSA
diff --git a/drivers/net/dsa/ocelot/Kconfig b/drivers/net/dsa/ocelot/Kconfig
index 932b6b6fe817f..9948544ba1c4b 100644
--- a/drivers/net/dsa/ocelot/Kconfig
+++ b/drivers/net/dsa/ocelot/Kconfig
@@ -5,6 +5,7 @@ config NET_DSA_MSCC_FELIX
depends on NET_VENDOR_MICROSEMI
depends on NET_VENDOR_FREESCALE
depends on HAS_IOMEM
+ depends on PTP_1588_CLOCK_OPTIONAL
select MSCC_OCELOT_SWITCH_LIB
select NET_DSA_TAG_OCELOT_8021Q
select NET_DSA_TAG_OCELOT
@@ -19,6 +20,7 @@ config NET_DSA_MSCC_SEVILLE
depends on NET_DSA
depends on NET_VENDOR_MICROSEMI
depends on HAS_IOMEM
+ depends on PTP_1588_CLOCK_OPTIONAL
select MSCC_OCELOT_SWITCH_LIB
select NET_DSA_TAG_OCELOT_8021Q
select NET_DSA_TAG_OCELOT
diff --git a/drivers/net/dsa/sja1105/Kconfig b/drivers/net/dsa/sja1105/Kconfig
index b29d41e5e1e70..1291bba3f3b69 100644
--- a/drivers/net/dsa/sja1105/Kconfig
+++ b/drivers/net/dsa/sja1105/Kconfig
@@ -2,6 +2,7 @@
config NET_DSA_SJA1105
tristate "NXP SJA1105 Ethernet switch family support"
depends on NET_DSA && SPI
+ depends on PTP_1588_CLOCK_OPTIONAL
select NET_DSA_TAG_SJA1105
select PCS_XPCS
select PACKING
diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
index c6a3abec86f51..4786f0504691d 100644
--- a/drivers/net/ethernet/amd/Kconfig
+++ b/drivers/net/ethernet/amd/Kconfig
@@ -170,11 +170,11 @@ config AMD_XGBE
tristate "AMD 10GbE Ethernet driver"
depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM
depends on X86 || ARM64 || COMPILE_TEST
+ depends on PTP_1588_CLOCK_OPTIONAL
select BITREVERSE
select CRC32
select PHYLIB
select AMD_XGBE_HAVE_ECC if X86
- imply PTP_1588_CLOCK
help
This driver supports the AMD 10GbE Ethernet device found on an
AMD SoC.
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index 1a02ca600b71d..56e0fb07aec7f 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -122,8 +122,8 @@ config SB1250_MAC
config TIGON3
tristate "Broadcom Tigon3 support"
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
select PHYLIB
- imply PTP_1588_CLOCK
help
This driver supports Broadcom Tigon3 based gigabit Ethernet cards.
@@ -140,7 +140,7 @@ config TIGON3_HWMON
config BNX2X
tristate "Broadcom NetXtremeII 10Gb support"
depends on PCI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
select FW_LOADER
select ZLIB_INFLATE
select LIBCRC32C
@@ -206,7 +206,7 @@ config SYSTEMPORT
config BNXT
tristate "Broadcom NetXtreme-C/E support"
depends on PCI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
select FW_LOADER
select LIBCRC32C
select NET_DEVLINK
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index e432a68ac5201..5b2a461dfd28c 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -22,6 +22,7 @@ if NET_VENDOR_CADENCE
config MACB
tristate "Cadence MACB/GEM support"
depends on HAS_DMA && COMMON_CLK
+ depends on PTP_1588_CLOCK_OPTIONAL
select PHYLINK
select CRC32
help
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index 4875cdae622ea..1c76c95b0b275 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -66,7 +66,7 @@ config LIQUIDIO
tristate "Cavium LiquidIO support"
depends on 64BIT && PCI
depends on PCI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
select FW_LOADER
select LIBCRC32C
select NET_DEVLINK
@@ -91,7 +91,7 @@ config OCTEON_MGMT_ETHERNET
config LIQUIDIO_VF
tristate "Cavium LiquidIO VF support"
depends on 64BIT && PCI_MSI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This driver supports Cavium LiquidIO Intelligent Server Adapter
based on CN23XX chips.
diff --git a/drivers/net/ethernet/chelsio/Kconfig b/drivers/net/ethernet/chelsio/Kconfig
index 8ba0e08e5e640..c931ec8cac406 100644
--- a/drivers/net/ethernet/chelsio/Kconfig
+++ b/drivers/net/ethernet/chelsio/Kconfig
@@ -69,6 +69,7 @@ config CHELSIO_T3
config CHELSIO_T4
tristate "Chelsio Communications T4/T5/T6 Ethernet support"
depends on PCI && (IPV6 || IPV6=n) && (TLS || TLS=n)
+ depends on PTP_1588_CLOCK_OPTIONAL
select FW_LOADER
select MDIO
select ZLIB_DEFLATE
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index 2d1abdd58fab6..e04e1c5cb0133 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -25,10 +25,10 @@ config FEC
depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
ARCH_MXC || SOC_IMX28 || COMPILE_TEST)
default ARCH_MXC || SOC_IMX28 if ARM
+ depends on PTP_1588_CLOCK_OPTIONAL
select CRC32
select PHYLIB
imply NET_SELFTESTS
- imply PTP_1588_CLOCK
help
Say Y here if you want to use the built-in 10/100 Fast ethernet
controller on some Motorola ColdFire and Freescale i.MX processors.
diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index 2ba0e7bd34666..3312e1d93c3b5 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -104,7 +104,7 @@ config HNS3_HCLGE
tristate "Hisilicon HNS3 HCLGE Acceleration Engine & Compatibility Layer Support"
default m
depends on PCI_MSI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This selects the HNS3_HCLGE network acceleration engine & its hardware
compatibility layer. The engine would be used in Hisilicon hip08 family of
diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig
index 82744a7501c73..b0b6f90deb7d0 100644
--- a/drivers/net/ethernet/intel/Kconfig
+++ b/drivers/net/ethernet/intel/Kconfig
@@ -58,8 +58,8 @@ config E1000
config E1000E
tristate "Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support"
depends on PCI && (!SPARC32 || BROKEN)
+ depends on PTP_1588_CLOCK_OPTIONAL
select CRC32
- imply PTP_1588_CLOCK
help
This driver supports the PCI-Express Intel(R) PRO/1000 gigabit
ethernet family of adapters. For PCI or PCI-X e1000 adapters,
@@ -87,7 +87,7 @@ config E1000E_HWTS
config IGB
tristate "Intel(R) 82575/82576 PCI-Express Gigabit Ethernet support"
depends on PCI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
select I2C
select I2C_ALGOBIT
help
@@ -159,9 +159,9 @@ config IXGB
config IXGBE
tristate "Intel(R) 10GbE PCI Express adapters support"
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
select MDIO
select PHYLIB
- imply PTP_1588_CLOCK
help
This driver supports Intel(R) 10GbE PCI Express family of
adapters. For more information on how to identify your adapter, go
@@ -239,7 +239,7 @@ config IXGBEVF_IPSEC
config I40E
tristate "Intel(R) Ethernet Controller XL710 Family support"
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
depends on PCI
select AUXILIARY_BUS
help
@@ -295,11 +295,11 @@ config ICE
tristate "Intel(R) Ethernet Connection E800 Series Support"
default n
depends on PCI_MSI
+ depends on PTP_1588_CLOCK_OPTIONAL
select AUXILIARY_BUS
select DIMLIB
select NET_DEVLINK
select PLDMFW
- imply PTP_1588_CLOCK
help
This driver supports Intel(R) Ethernet Connection E800 Series of
devices. For more information on how to identify your adapter, go
@@ -317,7 +317,7 @@ config FM10K
tristate "Intel(R) FM10000 Ethernet Switch Host Interface Support"
default n
depends on PCI_MSI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This driver supports Intel(R) FM10000 Ethernet Switch Host
Interface. For more information on how to identify your adapter,
diff --git a/drivers/net/ethernet/marvell/octeontx2/Kconfig b/drivers/net/ethernet/marvell/octeontx2/Kconfig
index 16caa02095fea..2aa0ae8abfbb3 100644
--- a/drivers/net/ethernet/marvell/octeontx2/Kconfig
+++ b/drivers/net/ethernet/marvell/octeontx2/Kconfig
@@ -12,6 +12,7 @@ config OCTEONTX2_AF
select NET_DEVLINK
depends on (64BIT && COMPILE_TEST) || ARM64
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This driver supports Marvell's OcteonTX2 Resource Virtualization
Unit's admin function manager which manages all RVU HW resources
@@ -32,6 +33,7 @@ config OCTEONTX2_PF
select OCTEONTX2_MBOX
depends on (64BIT && COMPILE_TEST) || ARM64
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This driver supports Marvell's OcteonTX2 NIC physical function.
diff --git a/drivers/net/ethernet/mellanox/mlx4/Kconfig b/drivers/net/ethernet/mellanox/mlx4/Kconfig
index 400e611ba0415..1b4b1f6423174 100644
--- a/drivers/net/ethernet/mellanox/mlx4/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx4/Kconfig
@@ -6,8 +6,8 @@
config MLX4_EN
tristate "Mellanox Technologies 1/10/40Gbit Ethernet support"
depends on PCI && NETDEVICES && ETHERNET && INET
+ depends on PTP_1588_CLOCK_OPTIONAL
select MLX4_CORE
- imply PTP_1588_CLOCK
help
This driver supports Mellanox Technologies ConnectX Ethernet
devices.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index e1a5a79e27c77..92056452a9e3d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -10,7 +10,7 @@ config MLX5_CORE
select NET_DEVLINK
depends on VXLAN || !VXLAN
depends on MLXFW || !MLXFW
- depends on PTP_1588_CLOCK || !PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
depends on PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE
help
Core driver for low level functionality of the ConnectX-4 and
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
index 12871c8dc7c16..d1ae248e125c7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
@@ -58,10 +58,10 @@ config MLXSW_SPECTRUM
depends on NET_IPGRE || NET_IPGRE=n
depends on IPV6_GRE || IPV6_GRE=n
depends on VXLAN || VXLAN=n
+ depends on PTP_1588_CLOCK_OPTIONAL
select GENERIC_ALLOCATOR
select PARMAN
select OBJAGG
- imply PTP_1588_CLOCK
select NET_PTP_CLASSIFY if PTP_1588_CLOCK
default m
help
diff --git a/drivers/net/ethernet/microchip/Kconfig b/drivers/net/ethernet/microchip/Kconfig
index d54aa164c4e94..735eea1dacf1f 100644
--- a/drivers/net/ethernet/microchip/Kconfig
+++ b/drivers/net/ethernet/microchip/Kconfig
@@ -45,6 +45,7 @@ config ENCX24J600
config LAN743X
tristate "LAN743x support"
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
select PHYLIB
select CRC16
select CRC32
diff --git a/drivers/net/ethernet/mscc/Kconfig b/drivers/net/ethernet/mscc/Kconfig
index 2d3157e4d0816..b1d68e1972588 100644
--- a/drivers/net/ethernet/mscc/Kconfig
+++ b/drivers/net/ethernet/mscc/Kconfig
@@ -24,6 +24,7 @@ config MSCC_OCELOT_SWITCH_LIB
config MSCC_OCELOT_SWITCH
tristate "Ocelot switch driver"
+ depends on PTP_1588_CLOCK_OPTIONAL
depends on BRIDGE || BRIDGE=n
depends on NET_SWITCHDEV
depends on HAS_IOMEM
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
index af84f72bf08e4..4e18b64dceb9a 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
@@ -6,6 +6,7 @@
config PCH_GBE
tristate "OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE"
depends on PCI && (X86_32 || COMPILE_TEST)
+ depends on PTP_1588_CLOCK
select MII
select PTP_1588_CLOCK_PCH
select NET_PTP_CLASSIFY
diff --git a/drivers/net/ethernet/pensando/Kconfig b/drivers/net/ethernet/pensando/Kconfig
index 202973a82712e..3f7519e435b81 100644
--- a/drivers/net/ethernet/pensando/Kconfig
+++ b/drivers/net/ethernet/pensando/Kconfig
@@ -20,7 +20,7 @@ if NET_VENDOR_PENSANDO
config IONIC
tristate "Pensando Ethernet IONIC Support"
depends on 64BIT && PCI
- depends on PTP_1588_CLOCK || !PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
select NET_DEVLINK
select DIMLIB
help
diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig
index 98f430905ffa8..1203353238e59 100644
--- a/drivers/net/ethernet/qlogic/Kconfig
+++ b/drivers/net/ethernet/qlogic/Kconfig
@@ -99,7 +99,7 @@ config QED_SRIOV
config QEDE
tristate "QLogic QED 25/40/100Gb Ethernet NIC"
depends on QED
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK_OPTIONAL
help
This enables the support for Marvell FastLinQ adapters family,
ethernet driver.
diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig
index 5a2a4af318126..8008b2f45934d 100644
--- a/drivers/net/ethernet/renesas/Kconfig
+++ b/drivers/net/ethernet/renesas/Kconfig
@@ -32,11 +32,11 @@ config SH_ETH
config RAVB
tristate "Renesas Ethernet AVB support"
depends on ARCH_RENESAS || COMPILE_TEST
+ depends on PTP_1588_CLOCK_OPTIONAL
select CRC32
select MII
select MDIO_BITBANG
select PHYLIB
- imply PTP_1588_CLOCK
help
Renesas Ethernet AVB device driver.
This driver supports the following SoCs:
diff --git a/drivers/net/ethernet/samsung/Kconfig b/drivers/net/ethernet/samsung/Kconfig
index 0582e110b1c01..2a6c2658d2842 100644
--- a/drivers/net/ethernet/samsung/Kconfig
+++ b/drivers/net/ethernet/samsung/Kconfig
@@ -20,9 +20,9 @@ if NET_VENDOR_SAMSUNG
config SXGBE_ETH
tristate "Samsung 10G/2.5G/1G SXGBE Ethernet driver"
depends on HAS_IOMEM && HAS_DMA
+ depends on PTP_1588_CLOCK_OPTIONAL
select PHYLIB
select CRC32
- imply PTP_1588_CLOCK
help
This is the driver for the SXGBE 10G Ethernet IP block found on
Samsung platforms.
diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig
index 5e37c83137253..97ce64079855b 100644
--- a/drivers/net/ethernet/sfc/Kconfig
+++ b/drivers/net/ethernet/sfc/Kconfig
@@ -19,9 +19,9 @@ if NET_VENDOR_SOLARFLARE
config SFC
tristate "Solarflare SFC9000/SFC9100/EF100-family support"
depends on PCI
+ depends on PTP_1588_CLOCK_OPTIONAL
select MDIO
select CRC32
- imply PTP_1588_CLOCK
help
This driver supports 10/40-gigabit Ethernet cards based on
the Solarflare SFC9000-family and SFC9100-family controllers.
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index ac3c248d4f9bc..929cfc22cd0cf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -2,12 +2,12 @@
config STMMAC_ETH
tristate "STMicroelectronics Multi-Gigabit Ethernet driver"
depends on HAS_IOMEM && HAS_DMA
+ depends on PTP_1588_CLOCK_OPTIONAL
select MII
select PCS_XPCS
select PAGE_POOL
select PHYLINK
select CRC32
- imply PTP_1588_CLOCK
select RESET_CONTROLLER
help
This is the driver for the Ethernet IPs built around a
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 7564ae0c1997f..902495afcb381 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -236,6 +236,7 @@ config MICROCHIP_T1_PHY
config MICROSEMI_PHY
tristate "Microsemi PHYs"
depends on MACSEC || MACSEC=n
+ depends on PTP_1588_CLOCK_OPTIONAL || !NETWORK_PHY_TIMESTAMPING
select CRYPTO_LIB_AES if MACSEC
help
Currently supports VSC8514, VSC8530, VSC8531, VSC8540 and VSC8541 PHYs
@@ -253,6 +254,7 @@ config NATIONAL_PHY
config NXP_C45_TJA11XX_PHY
tristate "NXP C45 TJA11XX PHYs"
+ depends on PTP_1588_CLOCK_OPTIONAL
help
Enable support for NXP C45 TJA11XX PHYs.
Currently supports only the TJA1103 PHY.
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 8b08745e1ca15..e82b4a678acbc 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -8,6 +8,7 @@ menu "PTP clock support"
config PTP_1588_CLOCK
tristate "PTP clock support"
depends on NET && POSIX_TIMERS
+ default ETHERNET
select PPS
select NET_PTP_CLASSIFY
help
@@ -26,6 +27,18 @@ config PTP_1588_CLOCK
To compile this driver as a module, choose M here: the module
will be called ptp.
+config PTP_1588_CLOCK_OPTIONAL
+ tristate
+ default y if PTP_1588_CLOCK=n
+ default PTP_1588_CLOCK
+ help
+ Drivers that can optionally use the PTP_1588_CLOCK framework
+ should depend on this symbol to prevent them from being built
+ into vmlinux while the PTP support itself is in a loadable
+ module.
+ If PTP support is disabled, this dependency will still be
+ met, and drivers refer to dummy helpers.
+
config PTP_1588_CLOCK_DTE
tristate "Broadcom DTE as PTP clock"
depends on PTP_1588_CLOCK
@@ -91,7 +104,7 @@ config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on X86_32 || COMPILE_TEST
depends on HAS_IOMEM && NET
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK
help
This driver adds support for using the PCH EG20T as a PTP
clock. The hardware supports time stamping of PTP packets
diff --git a/drivers/ptp/ptp_vclock.c b/drivers/ptp/ptp_vclock.c
index e0f87c57749a3..baee0379482bc 100644
--- a/drivers/ptp/ptp_vclock.c
+++ b/drivers/ptp/ptp_vclock.c
@@ -149,6 +149,7 @@ void ptp_vclock_unregister(struct ptp_vclock *vclock)
kfree(vclock);
}
+#if IS_BUILTIN(CONFIG_PTP_1588_CLOCK)
int ptp_get_vclocks_index(int pclock_index, int **vclock_index)
{
char name[PTP_CLOCK_NAME_LEN] = "";
@@ -217,3 +218,4 @@ void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps,
hwtstamps->hwtstamp = ns_to_ktime(ns);
}
EXPORT_SYMBOL(ptp_convert_timestamp);
+#endif
diff --git a/drivers/scsi/cxgbi/cxgb4i/Kconfig b/drivers/scsi/cxgbi/cxgb4i/Kconfig
index 8b0deece9758b..63c8a0f3cd0cc 100644
--- a/drivers/scsi/cxgbi/cxgb4i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb4i/Kconfig
@@ -2,6 +2,7 @@
config SCSI_CXGB4_ISCSI
tristate "Chelsio T4 iSCSI support"
depends on PCI && INET && (IPV6 || IPV6=n)
+ depends on PTP_1588_CLOCK_OPTIONAL
depends on THERMAL || !THERMAL
depends on ETHERNET
depends on TLS || TLS=n
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 71fac92377258..2e5565067355b 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -215,7 +215,7 @@ static inline long scaled_ppm_to_ppb(long ppm)
return (long)ppb;
}
-#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
/**
* ptp_clock_register() - register a PTP hardware clock driver
@@ -307,6 +307,33 @@ int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay);
*/
void ptp_cancel_worker_sync(struct ptp_clock *ptp);
+#else
+static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
+ struct device *parent)
+{ return NULL; }
+static inline int ptp_clock_unregister(struct ptp_clock *ptp)
+{ return 0; }
+static inline void ptp_clock_event(struct ptp_clock *ptp,
+ struct ptp_clock_event *event)
+{ }
+static inline int ptp_clock_index(struct ptp_clock *ptp)
+{ return -1; }
+static inline int ptp_find_pin(struct ptp_clock *ptp,
+ enum ptp_pin_function func, unsigned int chan)
+{ return -1; }
+static inline int ptp_schedule_worker(struct ptp_clock *ptp,
+ unsigned long delay)
+{ return -EOPNOTSUPP; }
+static inline void ptp_cancel_worker_sync(struct ptp_clock *ptp)
+{ }
+#endif
+
+#if IS_BUILTIN(CONFIG_PTP_1588_CLOCK)
+/*
+ * These are called by the network core, and don't work if PTP is in
+ * a loadable module.
+ */
+
/**
* ptp_get_vclocks_index() - get all vclocks index on pclock, and
* caller is responsible to free memory
@@ -327,26 +354,7 @@ int ptp_get_vclocks_index(int pclock_index, int **vclock_index);
*/
void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps,
int vclock_index);
-
#else
-static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
- struct device *parent)
-{ return NULL; }
-static inline int ptp_clock_unregister(struct ptp_clock *ptp)
-{ return 0; }
-static inline void ptp_clock_event(struct ptp_clock *ptp,
- struct ptp_clock_event *event)
-{ }
-static inline int ptp_clock_index(struct ptp_clock *ptp)
-{ return -1; }
-static inline int ptp_find_pin(struct ptp_clock *ptp,
- enum ptp_pin_function func, unsigned int chan)
-{ return -1; }
-static inline int ptp_schedule_worker(struct ptp_clock *ptp,
- unsigned long delay)
-{ return -EOPNOTSUPP; }
-static inline void ptp_cancel_worker_sync(struct ptp_clock *ptp)
-{ }
static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index)
{ return 0; }
static inline void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps,