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authorArnd Bergmann <arnd@arndb.de>2019-12-10 20:56:34 +0100
committerJakub Kicinski <jakub.kicinski@netronome.com>2019-12-13 15:42:09 -0800
commit03b06e3f83523ded51aa822f58c083fbde08feb5 (patch)
treee449008c5958d6c4ffa9dea1ab26462d547bb686 /drivers/ptp
parent6adc4601c2a1ac87b4ab8ed0cb55db6efd0264e8 (diff)
ptp: clockmatrix: add I2C dependency
Without I2C, we get a link failure: drivers/ptp/ptp_clockmatrix.o: In function `idtcm_xfer.isra.3': ptp_clockmatrix.c:(.text+0xcc): undefined reference to `i2c_transfer' drivers/ptp/ptp_clockmatrix.o: In function `idtcm_driver_init': ptp_clockmatrix.c:(.init.text+0x14): undefined reference to `i2c_register_driver' drivers/ptp/ptp_clockmatrix.o: In function `idtcm_driver_exit': ptp_clockmatrix.c:(.exit.text+0x10): undefined reference to `i2c_del_driver' Fixes: 3a6ba7dc7799 ("ptp: Add a ptp clock driver for IDT ClockMatrix.") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index b45d2b86d8ca..b0d1b8d264fa 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -121,7 +121,7 @@ config PTP_1588_CLOCK_KVM
config PTP_1588_CLOCK_IDTCM
tristate "IDT CLOCKMATRIX as PTP clock"
- depends on PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK && I2C
default n
help
This driver adds support for using IDT CLOCKMATRIX(TM) as a PTP