From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: serial: snps-dw-apb-uart: Simplify DMA-less RZ/N1 rule
Date: Thu, 10 Apr 2025 11:37:17 +0200 [thread overview]
Message-ID: <Z_eRTafA9mjDC175@shikoro> (raw)
In-Reply-To: <CAMuHMdV5w_9VpVrJPHy_EtmXoWV9fdBBO_YwhPt2TcX_D4TUxg@mail.gmail.com>
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> > What about simply dropping r9a06g033 which cannot run Linux (no RAM
> > controller, only 6MB internal RAM) and there hasn't been any upstreaming
>
> You can run Linux on 6 MiB of RAM, if you try hard ;-)
Whoever tries that hard will have zero problems upstreaming the bindings
then again. I will happily ack them. But it will not happen.
>
> > effort for other OS in the last 7 years? And making the remaining
>
> ... which does not mean there are no users.
And these mysterious users will complain about a removed UART binding
while there is not even a clk binding upstream?
> We don't allow "everything". Valid compatible values are checked by
> the normal rules below.
Why don't we use '{}' with all the bindings then? Would simplify so
much. From the watchdog driver:
- items:
- enum:
- renesas,r8a7742-wdt # RZ/G1H
- renesas,r8a7743-wdt # RZ/G1M
- renesas,r8a7744-wdt # RZ/G1N
- renesas,r8a7745-wdt # RZ/G1E
- renesas,r8a77470-wdt # RZ/G1C
- renesas,r8a7790-wdt # R-Car H2
- renesas,r8a7791-wdt # R-Car M2-W
- renesas,r8a7792-wdt # R-Car V2H
- renesas,r8a7793-wdt # R-Car M2-N
- renesas,r8a7794-wdt # R-Car E2
- const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G1
- items:
- enum:
- renesas,r8a774a1-wdt # RZ/G2M
- renesas,r8a774b1-wdt # RZ/G2N
- renesas,r8a774c0-wdt # RZ/G2E
- renesas,r8a774e1-wdt # RZ/G2H
- renesas,r8a7795-wdt # R-Car H3
- renesas,r8a7796-wdt # R-Car M3-W
- renesas,r8a77961-wdt # R-Car M3-W+
- renesas,r8a77965-wdt # R-Car M3-N
- renesas,r8a77970-wdt # R-Car V3M
- renesas,r8a77980-wdt # R-Car V3H
- renesas,r8a77990-wdt # R-Car E3
- renesas,r8a77995-wdt # R-Car D3
- const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2
- items:
- enum:
- renesas,r8a779a0-wdt # R-Car V3U
- renesas,r8a779f0-wdt # R-Car S4-8
- renesas,r8a779g0-wdt # R-Car V4H
- renesas,r8a779h0-wdt # R-Car V4M
- const: renesas,rcar-gen4-wdt # R-Car Gen4
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next prev parent reply other threads:[~2025-04-10 9:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-10 8:00 [PATCH] dt-bindings: serial: snps-dw-apb-uart: Simplify DMA-less RZ/N1 rule Geert Uytterhoeven
2025-04-10 8:33 ` Wolfram Sang
2025-04-10 8:36 ` Geert Uytterhoeven
2025-04-10 9:37 ` Wolfram Sang [this message]
2025-04-10 10:56 ` Geert Uytterhoeven
2025-04-10 20:29 ` Wolfram Sang
2025-04-11 13:38 ` Rob Herring
2025-04-11 15:37 ` Wolfram Sang
2025-04-11 16:16 ` Rob Herring
2025-04-11 19:12 ` Wolfram Sang
2025-04-23 12:10 ` Geert Uytterhoeven
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