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authorVincent Cheng <vincent.cheng.xh@renesas.com>2020-05-01 23:35:37 -0400
committerDavid S. Miller <davem@davemloft.net>2020-05-02 16:31:45 -0700
commitd3f1cbd29fa63f1bb608603a6cd54ca7af56a68b (patch)
treec8fa140f0d9e04e6f045ff5831a8a060295c981d /drivers/ptp
parent184ecc9eb260d5a3bcdddc5bebd18f285ac004e9 (diff)
downloadlinux-d3f1cbd29fa63f1bb608603a6cd54ca7af56a68b.tar.bz2
ptp: Add adjust_phase to ptp_clock_caps capability.
Add adjust_phase to ptp_clock_caps capability to allow user to query if a PHC driver supports adjust phase with ioctl PTP_CLOCK_GETCAPS command. Signed-off-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Reviewed-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_chardev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 93d574faf1fe..375cd6e4aade 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -136,6 +136,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
caps.pps = ptp->info->pps;
caps.n_pins = ptp->info->n_pins;
caps.cross_timestamping = ptp->info->getcrosststamp != NULL;
+ caps.adjust_phase = ptp->info->adjphase != NULL;
if (copy_to_user((void __user *)arg, &caps, sizeof(caps)))
err = -EFAULT;
break;