From patchwork Mon Oct 5 12:47:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 7327201 Return-Path: X-Original-To: patchwork-linux-samsung-soc@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 EF2569F443 for ; Mon, 5 Oct 2015 12:47:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1B8292065D for ; Mon, 5 Oct 2015 12:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2493120658 for ; Mon, 5 Oct 2015 12:47:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752258AbbJEMrX (ORCPT ); Mon, 5 Oct 2015 08:47:23 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:38796 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbbJEMrX (ORCPT ); Mon, 5 Oct 2015 08:47:23 -0400 Received: by wiclk2 with SMTP id lk2so112874841wic.1 for ; Mon, 05 Oct 2015 05:47:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=t7hZryL7Tn8asoo4Cy+ET0rogTKX/ID8cGn6zlhHMSw=; b=lS/PCNchM4OlLpUTT3bPlPmCvR6J4oNe9GFsC8ikA6nT0eNC8tvNfSaV/fTYAry32I PAWpWurmjCUiGo+63vr2nZL+FQ02ZrGh0EAxSXXlCDMey4P96ljYoxzQTxd1htts8kRa ZHxrvCcQ4HN9IuFgCGMtUCOXwscaVRFBUaNDNavp529OvY1qqzhr1qNeGe2qwhhxqIo+ AwUBDULN3cTlNdgTKH+xrxFkv6kpw77vaTzb6eJyF6I8sfzu82ezyYWDGWOF9l5x6nVJ rJiCRU5p3UeoMF5pWjF7tnBiaad0Sh/QmWS/J3BDI2O/DiUxwNcqS8YY+qwnoCecdyaW Q/hA== X-Received: by 10.180.8.68 with SMTP id p4mr11798722wia.16.1444049241886; Mon, 05 Oct 2015 05:47:21 -0700 (PDT) Received: from localhost (port-54044.pppoe.wtnet.de. [46.59.211.200]) by smtp.gmail.com with ESMTPSA id t7sm14506915wib.1.2015.10.05.05.47.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Oct 2015 05:47:21 -0700 (PDT) From: Thierry Reding To: Kukjin Kim , Krzysztof Kozlowski Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Thierry Reding Subject: [PATCH 2/6] ARM: s3c24xx: rx1950: Use PWM lookup table Date: Mon, 5 Oct 2015 14:47:13 +0200 Message-Id: <1444049237-29878-3-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1444049237-29878-1-git-send-email-thierry.reding@gmail.com> References: <1444049237-29878-1-git-send-email-thierry.reding@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Kukjin Kim Cc: Krzysztof Kozlowski Signed-off-by: Thierry Reding Reviewed-by: Krzysztof Kozlowski --- arch/arm/mach-s3c24xx/mach-rx1950.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index 1d35ff375a01..774c982a7b7e 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -375,6 +375,11 @@ static struct s3c2410fb_mach_info rx1950_lcd_cfg = { }; +static struct pwm_lookup rx1950_pwm_lookup[] = { + PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000, + PWM_POLARITY_NORMAL), +}; + static struct pwm_device *lcd_pwm; static void rx1950_lcd_power(int enable) @@ -520,10 +525,8 @@ static int rx1950_backlight_notify(struct device *dev, int brightness) } static struct platform_pwm_backlight_data rx1950_backlight_data = { - .pwm_id = 0, .max_brightness = 24, .dft_brightness = 4, - .pwm_period_ns = 48000, .enable_gpio = -1, .init = rx1950_backlight_init, .notify = rx1950_backlight_notify, @@ -792,6 +795,7 @@ static void __init rx1950_init_machine(void) gpio_direction_output(S3C2410_GPA(4), 0); gpio_direction_output(S3C2410_GPJ(6), 0); + pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup)); platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices)); i2c_register_board_info(0, rx1950_i2c_devices,