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Message-ID: <20241022092458.2793331-1-svens@linux.ibm.com>
Date: Tue, 22 Oct 2024 11:24:56 +0200
From: Sven Schnelle <svens@...ux.ibm.com>
To: Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ux.ibm.com>,
Sven Schnelle <svens@...ux.ibm.com>,
Richard Cochran <richardcochran@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Ricardo B. Marliere" <ricardo@...liere.net>
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH net-next v3 0/2] PtP driver for s390 clocks
Hi,
these patches add support for using the s390 physical and TOD clock as ptp
clock. To do so, the first patch adds a clock id to the s390 TOD clock,
while the second patch adds the PtP driver itself.
Changes in v3:
- drop 'IBM' from clock names
- use u128 as return type of eitod_to_ns()
- fix calculation in eitod_to_timespec64()
Changes in v2:
- add missing MODULE_DESCRIPTION()
- drop udev event patch
- simplify eitod_to_ns()
- use store_tod_clock_ext() instead of store_tod_clock_ext_cc()
- move stp_enabled() declaration to stp.h
- use s390 instead of 'Z' in clock names
- defconfig symbol should be default-n
Sven Schnelle (2):
s390/time: Add clocksource id to TOD clock
s390/time: Add PtP driver
MAINTAINERS | 6 ++
arch/s390/include/asm/stp.h | 1 +
arch/s390/include/asm/timex.h | 6 ++
arch/s390/kernel/time.c | 7 ++
drivers/ptp/Kconfig | 11 +++
drivers/ptp/Makefile | 1 +
drivers/ptp/ptp_s390.c | 129 ++++++++++++++++++++++++++++++++
include/linux/clocksource_ids.h | 1 +
8 files changed, 162 insertions(+)
create mode 100644 drivers/ptp/ptp_s390.c
--
2.43.0
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