From: Bjorn Helgaas <helgaas@kernel.org>
To: Aleksey Makarov <aleksey.makarov@cavium.com>
Cc: netdev@vger.kernel.org, Robert Richter <rric@kernel.org>,
"Goutham, Sunil" <Sunil.Goutham@cavium.com>,
Richard Cochran <richardcochran@gmail.com>,
Radoslaw Biernacki <rad@semihalf.com>,
linux-kernel@vger.kernel.org,
David Daney <ddaney@caviumnetworks.com>,
Philippe Ombredanne <pombredanne@nexb.com>,
Joe Perches <joe@perches.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net-next v6 1/2] net: add support for Cavium PTP coprocessor
Date: Wed, 30 Jan 2019 08:09:29 -0600 [thread overview]
Message-ID: <20190130140929.GA227269@google.com> (raw)
In-Reply-To: <20180115124500.14872-2-aleksey.makarov@cavium.com>
On Mon, Jan 15, 2018 at 06:44:56PM +0600, Aleksey Makarov wrote:
> From: Radoslaw Biernacki <rad@semihalf.com>
>
> This patch adds support for the Precision Time Protocol
> Clocks and Timestamping hardware found on Cavium ThunderX
> processors.
>
> Signed-off-by: Radoslaw Biernacki <rad@semihalf.com>
> Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com>
> Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
> ---
> drivers/net/ethernet/cavium/Kconfig | 12 +
> drivers/net/ethernet/cavium/Makefile | 1 +
> drivers/net/ethernet/cavium/common/Makefile | 1 +
> drivers/net/ethernet/cavium/common/cavium_ptp.c | 353 ++++++++++++++++++++++++
> drivers/net/ethernet/cavium/common/cavium_ptp.h | 70 +++++
> 5 files changed, 437 insertions(+)
> create mode 100644 drivers/net/ethernet/cavium/common/Makefile
> create mode 100644 drivers/net/ethernet/cavium/common/cavium_ptp.c
> create mode 100644 drivers/net/ethernet/cavium/common/cavium_ptp.h
>
> diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
> index 63be75eb34d2..96586c0b4490 100644
> --- a/drivers/net/ethernet/cavium/Kconfig
> +++ b/drivers/net/ethernet/cavium/Kconfig
> @@ -50,6 +50,18 @@ config THUNDER_NIC_RGX
> This driver supports configuring XCV block of RGX interface
> present on CN81XX chip.
>
> +config CAVIUM_PTP
> + tristate "Cavium PTP coprocessor as PTP clock"
> + depends on 64BIT
> + imply PTP_1588_CLOCK
> + default y
Why is this "default y"?
It looks like this is a PCI driver and probably should be loaded only
when the PCI device is present.
> + ---help---
> + This driver adds support for the Precision Time Protocol Clocks and
> + Timestamping coprocessor (PTP) found on Cavium processors.
> + PTP provides timestamping mechanism that is suitable for use in IEEE 1588
> + Precision Time Protocol or other purposes. Timestamps can be used in
> + BGX, TNS, GTI, and NIC blocks.
next prev parent reply other threads:[~2019-01-30 14:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-15 12:44 [PATCH net-next v6 0/2] net: thunderx: add support for PTP clock Aleksey Makarov
2018-01-15 12:44 ` [PATCH net-next v6 1/2] net: add support for Cavium PTP coprocessor Aleksey Makarov
2019-01-30 14:09 ` Bjorn Helgaas [this message]
2019-01-30 15:06 ` Bjorn Helgaas
2018-01-15 12:44 ` [PATCH net-next v6 2/2] net: thunderx: add timestamping support Aleksey Makarov
2018-01-16 19:31 ` [PATCH net-next v6 0/2] net: thunderx: add support for PTP clock David Miller
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