linux.git/drivers/ptp, branch v5.5-rc4 Linux kernel source tree ptp: clockmatrix: add I2C dependency 2019-12-13T23:42:09+00:00 Arnd Bergmann arnd@arndb.de 2019-12-10T19:56:34+00:00 03b06e3f83523ded51aa822f58c083fbde08feb5 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> 
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>
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-17T05:51:42+00:00 David S. Miller davem@davemloft.net 2019-11-17T02:47:31+00:00 19b7e21c55c81713c4011278143006af9f232504 Lots of overlapping changes and parallel additions, stuff like that. Signed-off-by: David S. Miller <davem@davemloft.net> 
Lots of overlapping changes and parallel additions, stuff
like that.

Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: Introduce strict checking of external time stamp options. 2019-11-15T20:48:32+00:00 Richard Cochran richardcochran@gmail.com 2019-11-14T18:45:02+00:00 6138e687c7b679da08c0feb55a88f448f7890c07 User space may request time stamps on rising edges, falling edges, or both. However, the particular mode may or may not be supported in the hardware or in the driver. This patch adds a "strict" flag that tells drivers to ensure that the requested mode will be honored. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
User space may request time stamps on rising edges, falling edges, or
both.  However, the particular mode may or may not be supported in the
hardware or in the driver.  This patch adds a "strict" flag that tells
drivers to ensure that the requested mode will be honored.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: Validate requests to enable time stamping of external signals. 2019-11-15T20:48:32+00:00 Richard Cochran richardcochran@gmail.com 2019-11-14T18:44:55+00:00 cd734d54e67990eebfc3106dc39047c1141d4197 Commit 415606588c61 ("PTP: introduce new versions of IOCTLs") introduced a new external time stamp ioctl that validates the flags. This patch extends the validation to ensure that at least one rising or falling edge flag is set when enabling external time stamps. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Commit 415606588c61 ("PTP: introduce new versions of IOCTLs")
introduced a new external time stamp ioctl that validates the flags.
This patch extends the validation to ensure that at least one rising
or falling edge flag is set when enabling external time stamps.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: ptp_clockmatrix: Fix build error 2019-11-12T20:12:39+00:00 YueHaibing yuehaibing@huawei.com 2019-11-12T14:35:14+00:00 1e86606ba05d5e6269dabb209f5406745cb5b141 When do randbuilding, we got this warning: WARNING: unmet direct dependencies detected for PTP_1588_CLOCK Depends on [n]: NET [=y] && POSIX_TIMERS [=n] Selected by [y]: - PTP_1588_CLOCK_IDTCM [=y] Make PTP_1588_CLOCK_IDTCM depends on PTP_1588_CLOCK to fix this. Fixes: 3a6ba7dc7799 ("ptp: Add a ptp clock driver for IDT ClockMatrix.") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
When do randbuilding, we got this warning:

WARNING: unmet direct dependencies detected for PTP_1588_CLOCK
  Depends on [n]: NET [=y] && POSIX_TIMERS [=n]
  Selected by [y]:
  - PTP_1588_CLOCK_IDTCM [=y]

Make PTP_1588_CLOCK_IDTCM depends on PTP_1588_CLOCK to fix this.

Fixes: 3a6ba7dc7799 ("ptp: Add a ptp clock driver for IDT ClockMatrix.")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Vincent Cheng  <vincent.cheng.xh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: ptp_clockmatrix: Fix missing unlock on error in idtcm_probe() 2019-11-07T05:19:59+00:00 Wei Yongjun weiyongjun1@huawei.com 2019-11-06T14:33:09+00:00 b97fa0b54447107e572ac7ba6ad0f0fd64170104 Add the missing unlock before return from function idtcm_probe() in the error handling case. Fixes: 3a6ba7dc7799 ("ptp: Add a ptp clock driver for IDT ClockMatrix.") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Add the missing unlock before return from function idtcm_probe()
in the error handling case.

Fixes: 3a6ba7dc7799 ("ptp: Add a ptp clock driver for IDT ClockMatrix.")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Vincent Cheng <vincent.cheng.xh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: Add a ptp clock driver for IDT ClockMatrix. 2019-11-04T01:35:40+00:00 Vincent Cheng vincent.cheng.xh@renesas.com 2019-11-01T03:20:07+00:00 3a6ba7dc7799355557938fbdc15a558236011429 The IDT ClockMatrix (TM) family includes integrated devices that provide eight PLL channels. Each PLL channel can be independently configured as a frequency synthesizer, jitter attenuator, digitally controlled oscillator (DCO), or a digital phase lock loop (DPLL). Typically these devices are used as timing references and clock sources for PTP applications. This patch adds support for the device. Co-developed-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The IDT ClockMatrix (TM) family includes integrated devices that provide
eight PLL channels.  Each PLL channel can be independently configured as a
frequency synthesizer, jitter attenuator, digitally controlled
oscillator (DCO), or a digital phase lock loop (DPLL).  Typically
these devices are used as timing references and clock sources for PTP
applications.  This patch adds support for the device.

Co-developed-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Vincent Cheng <vincent.cheng.xh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-20T17:43:00+00:00 David S. Miller davem@davemloft.net 2019-10-20T05:51:25+00:00 2f184393e0c2d409c62262f57f2a57efdf9370b8 Several cases of overlapping changes which were for the most part trivially resolvable. Signed-off-by: David S. Miller <davem@davemloft.net> 
Several cases of overlapping changes which were for the most
part trivially resolvable.

Signed-off-by: David S. Miller <davem@davemloft.net>
ptp: ptp_dte: use devm_platform_ioremap_resource() to simplify code 2019-10-10T23:21:13+00:00 YueHaibing yuehaibing@huawei.com 2019-10-09T15:03:25+00:00 f063d58b423d818a9b63007322ac0be667a897e4 Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> 
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
ptp: fix typo of "mechanism" in Kconfig help text 2019-10-07T18:55:46+00:00 Antonio Borneo antonio.borneo@st.com 2019-10-07T15:43:02+00:00 503c9addef613c872679e24fc8a78f3febeb5a08 Fix typo s/mechansim/mechanism/ Signed-off-by: Antonio Borneo <antonio.borneo@st.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Fix typo s/mechansim/mechanism/

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>