From patchwork Tue Jan 13 19:33:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephane Viau X-Patchwork-Id: 5623861 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3C97B9F3A0 for ; Tue, 13 Jan 2015 19:34:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5AAB920389 for ; Tue, 13 Jan 2015 19:34:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CBC32016C for ; Tue, 13 Jan 2015 19:34:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753869AbbAMTeE (ORCPT ); Tue, 13 Jan 2015 14:34:04 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:32996 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752167AbbAMTeC (ORCPT ); Tue, 13 Jan 2015 14:34:02 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 0A7FB141F50; Tue, 13 Jan 2015 19:34:02 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id F16AD141F78; Tue, 13 Jan 2015 19:34:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from yyzubuntu31.qualcomm.com (rrcs-67-52-130-30.west.biz.rr.com [67.52.130.30]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: sviau@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id ADAAB141F50; Tue, 13 Jan 2015 19:34:00 +0000 (UTC) From: Stephane Viau To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, robdclark@gmail.com, Stephane Viau Subject: [PATCH RESEND] drm/msm/hdmi: use dynamic allocation for hdmi resources Date: Tue, 13 Jan 2015 14:33:40 -0500 Message-Id: <1421177620-25643-1-git-send-email-sviau@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1420666047-3690-2-git-send-email-sviau@codeaurora.org> References: <1420666047-3690-2-git-send-email-sviau@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of reporting BUG_ON when resources arrays are not dimensioned correctly, this patch does a dynamic allocation of these arrays. This is needed for the following patches that add a regulator for a new target. Signed-off-by: Stephane Viau --- drivers/gpu/drm/msm/hdmi/hdmi.c | 28 ++++++++++++++++++++++++---- drivers/gpu/drm/msm/hdmi/hdmi.h | 8 ++++---- 2 files changed, 28 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 062c687..180041d 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -106,7 +106,12 @@ static struct hdmi *hdmi_init(struct platform_device *pdev) goto fail; } - BUG_ON(config->hpd_reg_cnt > ARRAY_SIZE(hdmi->hpd_regs)); + hdmi->hpd_regs = devm_kzalloc(&pdev->dev, sizeof(hdmi->hpd_regs[0]) * + config->hpd_reg_cnt, GFP_KERNEL); + if (!hdmi->hpd_regs) { + ret = -ENOMEM; + goto fail; + } for (i = 0; i < config->hpd_reg_cnt; i++) { struct regulator *reg; @@ -122,7 +127,12 @@ static struct hdmi *hdmi_init(struct platform_device *pdev) hdmi->hpd_regs[i] = reg; } - BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs)); + hdmi->pwr_regs = devm_kzalloc(&pdev->dev, sizeof(hdmi->pwr_regs[0]) * + config->pwr_reg_cnt, GFP_KERNEL); + if (!hdmi->pwr_regs) { + ret = -ENOMEM; + goto fail; + } for (i = 0; i < config->pwr_reg_cnt; i++) { struct regulator *reg; @@ -138,7 +148,12 @@ static struct hdmi *hdmi_init(struct platform_device *pdev) hdmi->pwr_regs[i] = reg; } - BUG_ON(config->hpd_clk_cnt > ARRAY_SIZE(hdmi->hpd_clks)); + hdmi->hpd_clks = devm_kzalloc(&pdev->dev, sizeof(hdmi->hpd_clks[0]) * + config->hpd_clk_cnt, GFP_KERNEL); + if (!hdmi->hpd_clks) { + ret = -ENOMEM; + goto fail; + } for (i = 0; i < config->hpd_clk_cnt; i++) { struct clk *clk; @@ -153,7 +168,12 @@ static struct hdmi *hdmi_init(struct platform_device *pdev) hdmi->hpd_clks[i] = clk; } - BUG_ON(config->pwr_clk_cnt > ARRAY_SIZE(hdmi->pwr_clks)); + hdmi->pwr_clks = devm_kzalloc(&pdev->dev, sizeof(hdmi->pwr_clks[0]) * + config->pwr_clk_cnt, GFP_KERNEL); + if (!hdmi->pwr_clks) { + ret = -ENOMEM; + goto fail; + } for (i = 0; i < config->pwr_clk_cnt; i++) { struct clk *clk; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h index 43e654f..9973e03 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.h +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -52,10 +52,10 @@ struct hdmi { void __iomem *mmio; - struct regulator *hpd_regs[2]; - struct regulator *pwr_regs[2]; - struct clk *hpd_clks[3]; - struct clk *pwr_clks[2]; + struct regulator **hpd_regs; + struct regulator **pwr_regs; + struct clk **hpd_clks; + struct clk **pwr_clks; struct hdmi_phy *phy; struct i2c_adapter *i2c;