On Thu, Oct 27, 2022 at 03:32:48AM -0700, Jacob Keller wrote:
> Add a new function to phc_ctl to display the devices pin configuration
> data. First, obtain the device capabilities to determine the number of
> pins. Then, for each pin, print the name, function, and channel
> information.
>
> Signed-off-by: Jacob Keller <[email protected]>
> ---
> phc_ctl.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 73 insertions(+)
>
> diff --git a/phc_ctl.c b/phc_ctl.c
> index 92e597c40a23..1d1b0ab61020 100644
> --- a/phc_ctl.c
> +++ b/phc_ctl.c
> @@ -114,6 +114,7 @@ static void usage(const char *progname)
> " freq [ppb] adjust PHC frequency (default returns
> current offset)\n"
> " cmp compare PHC offset to CLOCK_REALTIME\n"
> " caps display device capabilities (default if no
> command given)\n"
> + " pin_cfg display device pin configuration\n"
Can we change it to pins_get or pins_cfg_get to be able to add set in the
future?
Also s/pin/pins/g
> + pr_notice("device has %d configurable input/output pins",
> + caps.n_pins);
> +
> + /* For each pin, read its configuration */
> + for (index = 0; index < caps.n_pins; index++) {
> + memset(&pin_desc, 0, sizeof(pin_desc));
> + pin_desc.index = index;
> +
> + if (ioctl(CLOCKID_TO_FD(clkid), PTP_PIN_GETFUNC, &pin_desc)) {
> + pr_warning("get pin configuration for pin %d failed:
> %s",
> + index,
> + strerror(errno));
> + /* keep going */
> + continue;
> + }
> +
> + if (pin_desc.func == PTP_PF_NONE) {
> + pr_notice("pin %d [%s] is not configured",
> + pin_desc.index,
> + pin_desc.name);
> + } else {
> + pr_notice("pin %d [%s] performing %s using channel %d",
Remove "performing" to avoid wordiness :)
But a very useful addition!
Regards
Maciek
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