From nobody Tue Dec 16 12:22:33 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71A05C46CA0 for ; Thu, 30 Nov 2023 23:17:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377231AbjK3XRQ (ORCPT ); Thu, 30 Nov 2023 18:17:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377216AbjK3XRO (ORCPT ); Thu, 30 Nov 2023 18:17:14 -0500 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C84ABD54 for ; Thu, 30 Nov 2023 15:17:20 -0800 (PST) Received: from gaggiata.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 047841F842; Fri, 1 Dec 2023 00:17:19 +0100 (CET) Received: from livingston (unknown [192.168.42.11]) by gaggiata.pivistrello.it (Postfix) with ESMTP id A830E7F9DD; Fri, 1 Dec 2023 00:17:18 +0100 (CET) Received: from pivi by livingston with local (Exim 4.96) (envelope-from ) id 1r8qHW-0003JL-1j; Fri, 01 Dec 2023 00:17:18 +0100 From: Francesco Dolcini To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Nishanth Menon , Vignesh Raghavendra Cc: Francesco Dolcini , Catalin Marinas , Will Deacon , Tero Kristo , Tony Lindgren Subject: [PATCH] arm64: defconfig: increase SERIAL_8250_NR_UARTS Date: Fri, 1 Dec 2023 00:16:57 +0100 Message-Id: <20231130231657.12715-1-francesco@dolcini.it> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Increase CONFIG_SERIAL_8250_NR_UARTS from 4 to 8, the current legacy value is not adequate for embedded systems that use SoCs where it's common to have a large number of serial ports. No need to change CONFIG_SERIAL_8250_RUNTIME_UARTS, see commit 9d86719f8769 ("serial: 8250: Allow using ports higher than SERIAL_8250_RUNTIME_UARTS"). This enables using the UART connected Bluetooth device on Verdin AM62 board. Cc: Tony Lindgren Signed-off-by: Francesco Dolcini Reviewed-by: Tony Lindgren --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index b60aa1f89343..ecd365cd1d87 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -448,6 +448,7 @@ CONFIG_SERIO_AMBAKMI=3Dy CONFIG_LEGACY_PTY_COUNT=3D16 CONFIG_SERIAL_8250=3Dy CONFIG_SERIAL_8250_CONSOLE=3Dy +CONFIG_SERIAL_8250_NR_UARTS=3D8 CONFIG_SERIAL_8250_EXTENDED=3Dy CONFIG_SERIAL_8250_SHARE_IRQ=3Dy CONFIG_SERIAL_8250_BCM2835AUX=3Dy --=20 2.39.2