From patchwork Wed Sep 15 11:19:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 12496057 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9382AC433F5 for ; Wed, 15 Sep 2021 11:19:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E25D61250 for ; Wed, 15 Sep 2021 11:19:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232729AbhIOLVM (ORCPT ); Wed, 15 Sep 2021 07:21:12 -0400 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]:54650 "EHLO smtp-relay-canonical-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232699AbhIOLVM (ORCPT ); Wed, 15 Sep 2021 07:21:12 -0400 Received: from localhost (1.general.cking.uk.vpn [10.172.193.212]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 0F8483F245; Wed, 15 Sep 2021 11:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1631704792; bh=WVCnoP1McqLMZ2VjfLfuYtx94nrxfK/vPmHsWXhCKjg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=C6IAgxupSeHodhJuUrda+Quo8wDS56uxJLCwwNvI5D1UOWVlTWOB/BLXhyu3FD58D 3cjIOi3qwV1/dycmxoNQ/24ipUDKxs3glkXjerlSGzGPa7JRWajQ9qSw24u3tP3zpZ Gkr/SQRfWGzFBfYfayvkXfpcNnXt7+8HvUelSNtG5FsqhPRnA4bvXgyrr/WfqPEuHx zE5jX17yedgNqPfxwQG1v7JjKdjrD/quDAuOWQN5JqlrcMPDsQ8n/cWUWS70gVtG8y XUzZc76EbUqpGoUAem7+cOSGTKoKee1CxN19ePYZMo3y9901YQPessJL3TbiN0N57L kPg/0ydduttBg== From: Colin King To: Vinod Koul , dmaengine@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dmaengine: sh: make array descs static Date: Wed, 15 Sep 2021 12:19:51 +0100 Message-Id: <20210915111951.12326-1-colin.king@canonical.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org From: Colin Ian King Don't populate the read-only array ds_lut on the stack but instead it static. Also makes the object code smaller by 163 bytes: Before: text data bss dec hex filename 23508 4796 0 28304 6e90 ./drivers/dma/sh/rz-dmac.o After: text data bss dec hex filename 23281 4860 0 28141 6ded ./drivers/dma/sh/rz-dmac.o (gcc version 11.2.0) Signed-off-by: Colin Ian King --- drivers/dma/sh/rz-dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c index f9f30cbeccbe..005f1a3ff634 100644 --- a/drivers/dma/sh/rz-dmac.c +++ b/drivers/dma/sh/rz-dmac.c @@ -573,7 +573,7 @@ static void rz_dmac_issue_pending(struct dma_chan *chan) static u8 rz_dmac_ds_to_val_mapping(enum dma_slave_buswidth ds) { u8 i; - const enum dma_slave_buswidth ds_lut[] = { + static const enum dma_slave_buswidth ds_lut[] = { DMA_SLAVE_BUSWIDTH_1_BYTE, DMA_SLAVE_BUSWIDTH_2_BYTES, DMA_SLAVE_BUSWIDTH_4_BYTES,