From patchwork Sat May 27 16:44:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Rojek X-Patchwork-Id: 99852 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp467751vqr; Sat, 27 May 2023 10:06:44 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4q9eeQwa8rjlHt/ZC/BaDpEriXi4XA75S0/4zkDKcT8xbP1FeJUAaWUhtWW0bxZNi4AfNz X-Received: by 2002:a17:90a:748:b0:24d:f992:5286 with SMTP id s8-20020a17090a074800b0024df9925286mr6145984pje.36.1685207203855; Sat, 27 May 2023 10:06:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685207203; cv=none; d=google.com; s=arc-20160816; b=xdcsLwD1Mir0KK0q/8NU3f09tatoEArOXWuf3MX6ZzNev78Rjlgv1Lfs4UPETcY0PC ihJgBN6jEzLPX1vn57ISvnmHb8swGMviXOLis3FegFHvGxjvOWNHnHi66+H2aKZ0JvV6 IRtdSKmLWwwmHmz4zaLxOkDfa2tZ2HDEnzvcjUHqdfSrsYrPkQCeobSXjz4IUu0YPhan 7KBmiallP2McCXHQxHfpJkewbxifbGE5ZI//8Nmx5xP3RONyKlp8rUckwyyR00ddnriP bc8+KwdmRRV17vG6bZFaFqdEGfaldmZycTIY3/XIegMJhs7xh7pRZSwhMrsqPVHoNOvz vedw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=jNYswkBh7U04jC09rR+LdO9PDBhLDrxcrglNMvlvjN4=; b=WonbixIe8pBaE/khKQvWOP+a88TA6VSFfdc+LzMgtGU8aX4XtZimV0b1F3UjFY3adD ggQAokIgLiHe4uf3pvp6EGsobCOpKZ0lIkR23LDkrWXNj6mSLMuuhmdJuJBOn2+eJQ7G FgVzsvUo8O5W9eAaI9e5rkFsMQrQUXkG4esPLmYXwiiL6qHTzRnq2rF/40DWLErMWwon PeyGXvABXe1MZHYHxDaZJFW9fGARLKoyyzlWv+WNDLHX8CAOqKi5UwYuvLVKg67rHath jvjN0L1MG6mSbAkxGLAmcHq/TWACf9ItQibCfnCIZcwQe1hY+hVFethT5/a5OOg0tFbE WXnQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id d187-20020a6336c4000000b00533fce755adsi4594039pga.130.2023.05.27.10.06.25; Sat, 27 May 2023 10:06:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230312AbjE0Qpf (ORCPT + 99 others); Sat, 27 May 2023 12:45:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229649AbjE0Qp0 (ORCPT ); Sat, 27 May 2023 12:45:26 -0400 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6ABAED8; Sat, 27 May 2023 09:45:18 -0700 (PDT) X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu X-GND-Sasl: contact@artur-rojek.eu Received: by mail.gandi.net (Postfix) with ESMTPSA id C5A4A20003; Sat, 27 May 2023 16:45:15 +0000 (UTC) From: Artur Rojek To: Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Geert Uytterhoeven Cc: Rafael Ignacio Zurita , linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, Artur Rojek Subject: [PATCH v2 3/3] sh: dma: Correct the number of DMA channels in SH7709 Date: Sat, 27 May 2023 18:44:52 +0200 Message-Id: <20230527164452.64797-4-contact@artur-rojek.eu> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230527164452.64797-1-contact@artur-rojek.eu> References: <20230527164452.64797-1-contact@artur-rojek.eu> MIME-Version: 1.0 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE,T_SPF_TEMPERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767067828797995155?= X-GMAIL-MSGID: =?utf-8?q?1767067828797995155?= According to the hardware manual [1], the DMAC found in SH7709 features only 4 channels. While at it, also sort the existing targets and clarify that NR_ONCHIP_DMA_CHANNELS must be a multiply of two. [1] https://www.renesas.com/us/en/document/mah/sh7709s-group-hardware-manual (p. 373) Signed-off-by: Artur Rojek Reviewed-by: Geert Uytterhoeven Reviewed-by: John Paul Adrian Glaubitz --- v2: - sort existing targets - clarify that the value must be a multiply of two arch/sh/drivers/dma/Kconfig | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig index 7d54f284ce10..382fbb189fcf 100644 --- a/arch/sh/drivers/dma/Kconfig +++ b/arch/sh/drivers/dma/Kconfig @@ -28,17 +28,19 @@ config SH_DMA_API config NR_ONCHIP_DMA_CHANNELS int depends on SH_DMA - default "4" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || \ - CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7091 + default "4" if CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750 || \ + CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7751 || \ + CPU_SUBTYPE_SH7091 default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \ CPU_SUBTYPE_SH7760 - default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \ - CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724 + default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7724 || \ + CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 default "6" help This allows you to specify the number of channels that the on-chip - DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the - SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6. + DMAC supports. This will be 4 for SH7709/SH7750/SH7750S/SH7751/SH7091, + 8 for SH7750R/SH7751R/SH7760, and 12 for SH7723/SH7724/SH7780/SH7785. + Default is 6. Must be an even number. config SH_DMABRG bool "SH7760 DMABRG support"