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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: 3a6ba7dc77 ("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>
alistair/sunxi64-5.5-dsi
Arnd Bergmann 2019-12-10 20:56:34 +01:00 committed by Jakub Kicinski
parent 6adc4601c2
commit 03b06e3f83
1 changed files with 1 additions and 1 deletions
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drivers/ptp/Kconfig
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@ -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