From: Stephen Boyd <sboyd@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Gregory CLEMENT" <gregory.clement@bootlin.com>,
"Michael Turquette" <mturquette@baylibre.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Andrew Lunn" <andrew@lunn.ch>,
"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
"Vladimir Vid" <vladimir.vid@sartura.hr>,
"Marek Behún" <kabel@kernel.org>,
linux-clk@vger.kernel.org, linux-serial@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates
Date: Fri, 14 Jan 2022 15:16:55 -0800 [thread overview]
Message-ID: <20220114231657.AB353C36AE7@smtp.kernel.org> (raw)
In-Reply-To: <20220114230549.56co4qcpnq32muwj@pali>
Quoting Pali Rohár (2022-01-14 15:05:49)
> On Friday 14 January 2022 14:56:58 Stephen Boyd wrote:
> >
> > If we're adding new support why can't we break with backwards
> > compatibility for the binding and do it a different way?
>
> Because DTS are backwards compatible. I was told more times that kernel
> drivers should work correctly with older DTS files. On some boards are
> DTB files provided by bootloader and they do not use in-kernel DTS
> files.
I'm not suggesting to break the kernel driver when used with older DTBs.
New features are fair game to change the compatible string and do
something different. If the user wants the new feature they update their
DTB. We shouldn't be constrained by backwards compatibility here.
next prev parent reply other threads:[~2022-01-14 23:17 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 9:58 [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates Pali Rohár
2021-09-30 9:58 ` [PATCH v7 1/6] math64: New DIV_U64_ROUND_CLOSEST helper Pali Rohár
2021-09-30 9:58 ` [PATCH v7 2/6] serial: mvebu-uart: implement UART clock driver for configuring UART base clock Pali Rohár
2021-10-13 14:16 ` Gregory CLEMENT
2021-10-13 14:21 ` Pali Rohár
2021-09-30 9:58 ` [PATCH v7 3/6] dt-bindings: mvebu-uart: document DT bindings for marvell,armada-3700-uart-clock Pali Rohár
2021-10-06 21:07 ` Rob Herring
2021-10-15 0:13 ` Stephen Boyd
2021-10-15 9:09 ` Pali Rohár
2021-10-15 9:37 ` Pali Rohár
2021-10-15 21:55 ` Stephen Boyd
2021-10-15 22:08 ` [PATCH v7 3/6] dt-bindings: mvebu-uart: document DT bindings for marvell, armada-3700-uart-clock Mark Kettenis
2021-10-16 6:42 ` [PATCH v7 3/6] dt-bindings: mvebu-uart: document DT bindings for marvell,armada-3700-uart-clock Pali Rohár
2022-01-15 8:02 ` Stephen Boyd
2022-01-15 11:50 ` Pali Rohár
2022-01-15 12:05 ` Marek Behún
2022-01-15 12:26 ` Pali Rohár
2022-01-19 23:16 ` Stephen Boyd
2022-01-20 0:06 ` Pali Rohár
2022-01-20 6:01 ` Stephen Boyd
2022-01-20 9:26 ` Pali Rohár
2022-01-25 20:40 ` Stephen Boyd
2021-09-30 9:58 ` [PATCH v7 4/6] dt-bindings: mvebu-uart: update information about UART clock Pali Rohár
2021-10-06 21:11 ` Rob Herring
2021-09-30 9:58 ` [PATCH v7 5/6] arm64: dts: marvell: armada-37xx: add device node for UART clock and use it Pali Rohár
2021-10-13 14:13 ` Gregory CLEMENT
2021-10-13 14:19 ` Pali Rohár
2021-09-30 9:58 ` [PATCH v7 6/6] serial: mvebu-uart: implement support for baudrates higher than 230400 Pali Rohár
2021-10-01 12:11 ` [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates Pali Rohár
2021-11-03 21:42 ` Pali Rohár
2021-12-17 17:23 ` Gregory CLEMENT
2022-01-14 10:51 ` Pali Rohár
2022-01-14 22:56 ` Stephen Boyd
2022-01-14 23:05 ` Pali Rohár
2022-01-14 23:16 ` Stephen Boyd [this message]
2022-01-14 23:20 ` Pali Rohár
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