linux-kernel - Re: [PATCH v5 0/5] RISC-V SBI debug console extension support

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Message-ID: <mhng-f5f3ec82-ce6a-4e20-8799-f36fd82d74b6@palmer-ri-x1c9>
Date: Fri, 19 Jan 2024 13:59:30 -0800 (PST)
From: Palmer Dabbelt <palmer@...belt.com>
To: apatel@...tanamicro.com
CC: Greg KH <gregkh@...uxfoundation.org>, nathan@...nel.org,
  linux-riscv@...ts.infradead.org, Paul Walmsley <paul.walmsley@...ive.com>, jirislaby@...nel.org,
  Conor Dooley <conor@...nel.org>, ajones@...tanamicro.com, linux-serial@...r.kernel.org,
  linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject:     Re: [PATCH v5 0/5] RISC-V SBI debug console extension support

On Fri, 19 Jan 2024 02:09:18 PST (-0800), apatel@...tanamicro.com wrote:
> On Sat, Jan 13, 2024 at 12:00 AM Palmer Dabbelt <palmer@...belt.com> wrote:
>>
>> On Thu, 11 Jan 2024 06:50:37 PST (-0800), patchwork-bot+linux-riscv@...nel.org wrote:
>> > Hello:
>> >
>> > This series was applied to riscv/linux.git (for-next)
>> > by Palmer Dabbelt <palmer@...osinc.com>:
>> >
>> > On Fri, 24 Nov 2023 12:39:00 +0530 you wrote:
>> >> The SBI v2.0 specification is now frozen. The SBI v2.0 specification defines
>> >> SBI debug console (DBCN) extension which replaces the legacy SBI v0.1
>> >> functions sbi_console_putchar() and sbi_console_getchar().
>> >> (Refer v2.0-rc5 at https://github.com/riscv-non-isa/riscv-sbi-doc/releases)
>> >>
>> >> This series adds support for SBI debug console (DBCN) extension in
>> >> Linux RISC-V.
>> >>
>> >> [...]
>> >
>> > Here is the summary with links:
>> >   - [v5,1/5] RISC-V: Add stubs for sbi_console_putchar/getchar()
>> >     https://git.kernel.org/riscv/c/f503b167b660
>> >   - [v5,2/5] RISC-V: Add SBI debug console helper routines
>> >     https://git.kernel.org/riscv/c/f43fabf444ca
>> >   - [v5,3/5] tty/serial: Add RISC-V SBI debug console based earlycon
>> >     https://git.kernel.org/riscv/c/c77bf3607a0f
>> >   - [v5,4/5] tty: Add SBI debug console support to HVC SBI driver
>> >     https://git.kernel.org/riscv/c/88ead68e764c
>> >   - [v5,5/5] RISC-V: Enable SBI based earlycon support
>> >     https://git.kernel.org/riscv/c/50942ad6ddb5
>> >
>> > You are awesome, thank you!
>>
>> Nathan points out that this has some semantic conflicts with a patch in
>> Greg's TTY tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?id=f32fcbedbe9290565e4eac3fd7c4c451d5478787
>>
>> So I think the best bet is to wait on Greg's patch to land in Linus'
>> tree, and then base a v6 of this patch set on that merged patch.  I'm
>> going to drop this one from for-next.
>
> Greg's patch is now available in upstream Linux so I will rebase and
> send out v6.

Sorry, I forgot about this one and merged it.  I just sent up a fixup: 
https://lore.kernel.org/all/20240119215612.20529-2-palmer@rivosinc.com/ 
.

>
> Thanks,
> Anup