Re: [PATCH net-next v2 3/3] ptp: ptp_ines: use new PTP_MSGTYPE_* define(s)

Christian Eggers
2020-11-19T05:29:35Z

On Wednesday, 18 November 2020, 22:03:56 CET, Jacob Keller wrote:
> On 11/18/2020 8:22 AM, Christian Eggers wrote:
> > Remove driver internal defines for this.
> >
> > Signed-off-by: Christian Eggers <ceggers@arri.de>
> > Cc: Richard Cochran <richardcochran@gmail.com>
> > Cc: Kurt Kanzenbach <kurt@linutronix.de>
> > ---
> >
> > drivers/ptp/ptp_ines.c | 19 +++++++------------
> > 1 file changed, 7 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
> > index 4700ffbdfced..6c7c2843ba0b 100644
> > --- a/drivers/ptp/ptp_ines.c
> > +++ b/drivers/ptp/ptp_ines.c
> > @@ -108,11 +108,6 @@ MODULE_LICENSE("GPL");
> >
> > #define MESSAGE_TYPE_P_DELAY_RESP 3
> > #define MESSAGE_TYPE_DELAY_REQ 4
> >
> > -#define SYNC 0x0
> > -#define DELAY_REQ 0x1
> > -#define PDELAY_REQ 0x2
> > -#define PDELAY_RESP 0x3
> > -
> >
> > static LIST_HEAD(ines_clocks);
> > static DEFINE_MUTEX(ines_clocks_lock);
> >
> > @@ -683,9 +678,9 @@ static bool is_sync_pdelay_resp(struct sk_buff *skb,
> > int type)>
> > msgtype = ptp_get_msgtype(hdr, type);
> >
> > - switch ((msgtype & 0xf)) {
> > - case SYNC:
> > - case PDELAY_RESP:
> > + switch (msgtype) {
> > + case PTP_MSGTYPE_SYNC:
>
> > + case PTP_MSGTYPE_PDELAY_RESP:
> This has a functional change of no longer discarding the higher bits of
> msgtype. While this may be correct, I think it should at least be called
> out as to why in the commit message.

The "& 0xf" is already done within ptp_get_msgtype(). I will add this to the
commit description for the next series.

regards
Christian