From: Simon Horman <horms@kernel.org>
To: Daniel Machon <daniel.machon@microchip.com>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Horatiu Vultur <horatiu.vultur@microchip.com>,
Steen Hegelund <steen.hegelund@microchip.com>,
UNGLinuxDriver@microchip.com, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Jesper Dangaard Brouer <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Herve Codina <herve.codina@bootlin.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mohsin Bashir <mohsin.bashr@gmail.com>,
Richard Cochran <richardcochran@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net-next v7 13/14] misc: lan966x-pci: dts: extend cpu reg to cover PCIE DBI space
Date: Thu, 24 Sep 2026 07:54:13 +0100 [thread overview]
Message-ID: <20260924065413.GA13925@horms.kernel.org> (raw)
In-Reply-To: <20260918-lan966x-pci-fdma-v7-13-0ecc179c8a2c@microchip.com>
On Fri, Sep 18, 2026 at 01:34:05PM +0200, Daniel Machon wrote:
> The ATU outbound windows used by the FDMA engine are programmed through
> registers at offset 0x400000+, which falls outside the current cpu reg
> mapping. Extend the cpu reg size from 0x100000 (1MB) to 0x800000 (8MB)
> to cover the full PCIE DBI and iATU register space.
>
> Tested-by: Herve Codina <herve.codina@bootlin.com>
> Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-09-24 6:54 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 11:33 [PATCH net-next v7 00/14] net: lan966x: add support for PCIe FDMA Daniel Machon
2026-09-18 11:33 ` [PATCH net-next v7 01/14] MAINTAINERS: add FDMA library to Sparx5 SoC entry Daniel Machon
2026-09-23 8:48 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 02/14] net: microchip: fdma: rename contiguous dataptr helpers Daniel Machon
2026-09-23 8:49 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 03/14] net: microchip: fdma: add PCIe ATU support Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 6:35 ` Daniel Machon
2026-09-23 8:51 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 04/14] net: lan966x: add FDMA LLP register write helper Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 7:07 ` Daniel Machon
2026-09-23 8:54 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 05/14] net: lan966x: export FDMA helpers for reuse Daniel Machon
2026-09-23 8:57 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 06/14] net: lan966x: use a dedicated device for DMA operations Daniel Machon
2026-09-23 8:59 ` Simon Horman
2026-09-18 11:33 ` [PATCH net-next v7 07/14] net: lan966x: add FDMA ops dispatch for PCIe support Daniel Machon
2026-09-23 9:00 ` Simon Horman
2026-09-18 11:34 ` [PATCH net-next v7 08/14] net: lan966x: clear FDMA interrupt stickies after switch reset Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 9:01 ` Simon Horman
2026-09-18 11:34 ` [PATCH net-next v7 09/14] net: lan966x: add shutdown callback to stop the FDMA on reboot Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 9:02 ` Simon Horman
2026-09-18 11:34 ` [PATCH net-next v7 10/14] net: lan966x: add PCIe FDMA support Daniel Machon
2026-09-19 11:35 ` sashiko-bot
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 8:45 ` Daniel Machon
2026-09-23 18:07 ` Simon Horman
2026-09-23 20:11 ` Daniel Machon
2026-09-24 6:46 ` Simon Horman
2026-09-24 15:31 ` Jakub Kicinski
2026-09-24 16:24 ` Daniel Machon
2026-09-18 11:34 ` [PATCH net-next v7 11/14] net: lan966x: add PCIe FDMA MTU change support Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 9:46 ` Daniel Machon
2026-09-23 19:39 ` Simon Horman
2026-09-23 20:07 ` Daniel Machon
2026-09-24 6:43 ` Simon Horman
2026-09-18 11:34 ` [PATCH net-next v7 12/14] net: lan966x: add PCIe FDMA XDP support Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-23 10:14 ` Daniel Machon
2026-09-24 6:53 ` Simon Horman
2026-09-18 11:34 ` [PATCH net-next v7 13/14] misc: lan966x-pci: dts: extend cpu reg to cover PCIE DBI space Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-24 6:54 ` Simon Horman [this message]
2026-09-18 11:34 ` [PATCH net-next v7 14/14] misc: lan966x-pci: dts: add fdma interrupt to overlay Daniel Machon
2026-09-22 13:00 ` netdev-bot+sashiko
2026-09-24 6:54 ` Simon Horman
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