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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CSRZODUK; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 242FC606A33B; Mon, 2 Nov 2026 19:11:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CSRZODUK Received: by smtp.kernel.org (Postfix) with ESMTPSA id A077A1F00A16; Mon, 2 Nov 2026 19:11:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793646716; bh=AgYWzVkrd0FAA36W9FOipwPtzV7qJco9n4AtSE0Qekc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=CSRZODUKiphAyBEKGfeVwgnNBvUueO5U6sCBRCmxRs67dyjtWJTfBCLDQAuhqm0L5 iJmYwfHwfYLIIOjFVr8YK3uMncDHOO1huqnoGMYLsfWhO4pzkbbBssdyyfiroon+fg avu6VfYlpaFzex4ztPnRoTqh6TRLTY9WkkhUZSYDSG38hIjVQW3E4L/5L9rD+mWwyK mA1Qia9mYcHjT7ikcZc+4vCuFPzcbjB1/dpLMAgCbcPJ/eV1MAJDee7kOO/44HsVvz TZeyfJH5UVInpRn5wMxZjuxayvuzK7DQ747dN32zRg5hEzGLRFz+c5dLoETU0PRQMw QD2GavBw5SSMg== Date: Mon, 2 Nov 2026 19:11:49 +0000 From: Conor Dooley To: Han Gao Cc: gaohan@iscas.ac.cn, Drew Fustini , Paul Walmsley , linux-riscv@lists.infradead.org, linux-clk@vger.kernel.org, Rob Herring , Jerome Brunet , Alexandre Ghiti , Anup Patel , Radu Rendec , Zhiguo Zhu , devicetree@vger.kernel.org, Conor Dooley , Albert Ou , Bartosz Golaszewski , linux-gpio@vger.kernel.org, Daniel Lezcano , Brian Masney , Krzysztof Kozlowski , Stephen Boyd , Linus Walleij , linux-kernel@vger.kernel.org, Samuel Holland , Palmer Dabbelt , Thomas Gleixner , Philipp Zabel , Paul Walmsley Subject: Re: [PATCH 17/18] riscv: defconfig: enable A210 support Message-ID: <20261102-conductor-expanse-db86270fc1a6@spud> References: <20261022-concrete-rebound-593001f1ac18@spud> <20261102142300.3784622-1-rabenda.cn@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Gquej4m2ddx2wa7L" Content-Disposition: inline In-Reply-To: <20261102142300.3784622-1-rabenda.cn@gmail.com> --Gquej4m2ddx2wa7L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 02, 2026 at 10:22:53PM +0800, Han Gao wrote: > On Thu, 22 Oct 2026 19:50:51 +0100 Conor Dooley wrote: >=20 > > On Thu, Oct 22, 2026 at 03:53:37AM +0800, Han Gao via B4 Relay wrote: > > > From: Han Gao > > >=20 > > > Enable A210 platform drivers and reserve ten 8250 UART ports. > > >=20 > > > Signed-off-by: Han Gao > > > --- > > > arch/riscv/configs/defconfig | 4 ++++ > > > 1 file changed, 4 insertions(+) > > >=20 > > > diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defcon= fig > > > index 04ae305d5511..b9b3bca12089 100644 > > > --- a/arch/riscv/configs/defconfig > > > +++ b/arch/riscv/configs/defconfig > > > @@ -33,6 +33,7 @@ CONFIG_SOC_STARFIVE=3Dy > > > CONFIG_ARCH_SUNXI=3Dy > > > CONFIG_ARCH_TENSTORRENT=3Dy > > > CONFIG_ARCH_THEAD=3Dy > > > +CONFIG_ARCH_ZHIHE=3Dy > > > CONFIG_ARCH_ULTRARISC=3Dy > > > CONFIG_ARCH_VIRT=3Dy > > > CONFIG_ARCH_CANAAN=3Dy > > > @@ -149,6 +150,8 @@ CONFIG_KEYBOARD_GPIO=3Dy > > > CONFIG_KEYBOARD_SUN4I_LRADC=3Dm > > > CONFIG_SERIAL_8250=3Dy > > > CONFIG_SERIAL_8250_CONSOLE=3Dy > > > +CONFIG_SERIAL_8250_NR_UARTS=3D10 > > > +CONFIG_SERIAL_8250_RUNTIME_UARTS=3D10 > >=20 > > Why are these options needed? >=20 > The A210 has 10 UARTs and the TH1520 has 6. With the default of 4, > UARTs beyond the 4th don't get a fixed ttyS index and end up in > whatever slot is free. Raising both to 10 keeps the index stable. Put this in the commit message please. >=20 > >=20 > > > CONFIG_SERIAL_8250_DW=3Dy > > > CONFIG_SERIAL_OF_PLATFORM=3Dy > > > CONFIG_SERIAL_EARLYCON_RISCV_SBI=3Dy > > > @@ -167,6 +170,7 @@ CONFIG_SPI_PL022=3Dm > > > CONFIG_SPI_SIFIVE=3Dy > > > CONFIG_SPI_SUN6I=3Dy > > > # CONFIG_PTP_1588_CLOCK is not set > > > +CONFIG_PINCTRL_A210=3Dy > > > CONFIG_PINCTRL_TH1520=3Dy > > > CONFIG_PINCTRL_SOPHGO_CV1800B=3Dy > > > CONFIG_PINCTRL_SOPHGO_CV1812H=3Dy > > >=20 > > > --=20 > > > 2.55.0 > > >=20 > > >=20 > >=20 >=20 > Sent using hkml (https://github.com/sjp38/hackermail) --Gquej4m2ddx2wa7L Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaujgdQAKCRB4tDGHoIJi 0jPcAQDKI8weKUpx73/mvAz55ZSZJ2tWU0Rex9ydvDyirhyY6AEAgAFedfAkbkLn qFuD39PtQFQgsFubq8Zyvj5bZZDhNQw= =TAKE -----END PGP SIGNATURE----- --Gquej4m2ddx2wa7L--