From patchwork Tue Oct 12 02:21:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= X-Patchwork-Id: 12551305 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D63F1C433F5 for ; Tue, 12 Oct 2021 02:21:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C004060FD7 for ; Tue, 12 Oct 2021 02:21:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229556AbhJLCXW (ORCPT ); Mon, 11 Oct 2021 22:23:22 -0400 Received: from mail-pl1-f178.google.com ([209.85.214.178]:43817 "EHLO mail-pl1-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231609AbhJLCXW (ORCPT ); Mon, 11 Oct 2021 22:23:22 -0400 Received: by mail-pl1-f178.google.com with SMTP id y1so12473884plk.10; Mon, 11 Oct 2021 19:21:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=oIRsn6iNEFHg+PhIYW5Z69IDGiPIeGIeW4ryh/X6f3g=; b=zxkAY3ctXWYqBsf15BCGYBX7XlXDTjr2OyTxCwtiVKKUMtqwKbk6Av1TeV5i+e8XYd h8S01vhfiCllydN+wtCGnzWBmeIy9xjjYpnl3crI4j7DUMxEQSQ0iMqn/e1ELHzHaO2B ojF1BYuhm1VwfRWvBjX9hSOo5RKSbsKx5Fy6ksN4K+H3YtOQd2fCVIE56w70ujX2oIDZ snHe01UMr5ALlGPj7df/fTmQuZmDBGvhcaX9Wm6A+JUaCFTyDkC0L7zXHWo3KowfyvjZ PTIIMJMyVkkOSCDuGUEZpCZhZXlNvQKtA+eE1PjnpVvEgsG/G8PDJ6p32MWKE2qIbRkQ 10YA== X-Gm-Message-State: AOAM531p19Z1KozTx/f4DtnoNSPss27Qh1rLQuVsyEP0/TSkPaCDMjiZ +dg53NeV6g7B72/FPf5SGlr+EIqZnxo= X-Google-Smtp-Source: ABdhPJxjmKu6eGmB8s+e+rTmXv8jWqruT8T9P94l95AHP9z47RZttdTxhdzMORT1Sm8pU4cCBLyJzQ== X-Received: by 2002:a17:90a:ba88:: with SMTP id t8mr2939574pjr.15.1634005279863; Mon, 11 Oct 2021 19:21:19 -0700 (PDT) Received: from workstation.lan ([95.155.85.46]) by smtp.gmail.com with ESMTPSA id c11sm697644pji.38.2021.10.11.19.21.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Oct 2021 19:21:19 -0700 (PDT) From: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= To: Bjorn Helgaas Cc: Lorenzo Pieralisi , Rob Herring , Stanimir Varbanov , Andy Gross , Bjorn Andersson , linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH] PCI: qcom: Make rst_names array static with const elements Date: Tue, 12 Oct 2021 02:21:08 +0000 Message-Id: <20211012022108.2823743-1-kw@linux.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org A static const string array often reduces size of the size of text section and can lead to an improved runtime performance as the need to initialize and populate the array every time a given function is called would be removed, contrary to local variables that live on the stack and have to be initialized every time the come into scope. Thus, make the rst_names array a static const array with constant strings elements (stored in the .rodata section) so that it will be stored in the data section and accessible for the total lifetime of the running kernel. Signed-off-by: Krzysztof Wilczyński --- drivers/pci/controller/dwc/pcie-qcom.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 8a7a300163e5..6bb616b45388 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -977,9 +977,9 @@ static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie) struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; int i; - const char *rst_names[] = { "axi_m", "axi_s", "pipe", - "axi_m_sticky", "sticky", - "ahb", "sleep", }; + static const char * const rst_names[] = { "axi_m", "axi_s", "pipe", + "axi_m_sticky", "sticky", + "ahb", "sleep", }; res->iface = devm_clk_get(dev, "iface"); if (IS_ERR(res->iface))