From patchwork Tue Sep 19 14:25:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 9959171 X-Patchwork-Delegate: sameo@linux.intel.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CAD1160568 for ; Tue, 19 Sep 2017 14:25:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AA5D9201BC for ; Tue, 19 Sep 2017 14:25:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9F4F422376; Tue, 19 Sep 2017 14:25:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55A76201BC for ; Tue, 19 Sep 2017 14:25:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751635AbdISOZW (ORCPT ); Tue, 19 Sep 2017 10:25:22 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:36250 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751623AbdISOZV (ORCPT ); Tue, 19 Sep 2017 10:25:21 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1duJSd-0007pv-Er; Tue, 19 Sep 2017 14:25:15 +0000 From: Colin King To: Robert Baldyga , Krzysztof Opasiak , Samuel Ortiz , linux-nfc@lists.01.org, linux-wireless@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] nfc: s3fwrn5: make array match static const, reduces object code size Date: Tue, 19 Sep 2017 15:25:15 +0100 Message-Id: <20170919142515.23196-1-colin.king@canonical.com> X-Mailer: git-send-email 2.14.1 MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King Don't populate the read-only array match on the stack, instead make it static const. Makes the object code smaller by over 310 bytes: Before: text data bss dec hex filename 8304 1084 128 9516 252c drivers/nfc/s3fwrn5/firmware.o After: text data bss dec hex filename 7894 1180 128 9202 23f2 drivers/nfc/s3fwrn5/firmware.o Signed-off-by: Colin Ian King --- drivers/nfc/s3fwrn5/firmware.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 38548bd970cd..b7828fb252f2 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -336,7 +336,7 @@ static int s3fwrn5_fw_get_base_addr( struct s3fwrn5_fw_cmd_get_bootinfo_rsp *bootinfo, u32 *base_addr) { int i; - struct { + static const struct { u8 version[4]; u32 base_addr; } match[] = {