From patchwork Mon Oct 5 12:47:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 7327231 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 77682BEEA4 for ; Mon, 5 Oct 2015 12:47:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8F1CD2065B for ; Mon, 5 Oct 2015 12:47:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB0AD20660 for ; Mon, 5 Oct 2015 12:47:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752513AbbJEMr1 (ORCPT ); Mon, 5 Oct 2015 08:47:27 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:37145 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbbJEMr0 (ORCPT ); Mon, 5 Oct 2015 08:47:26 -0400 Received: by wicfx3 with SMTP id fx3so112617699wic.0 for ; Mon, 05 Oct 2015 05:47:25 -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=jSPWqa00uJ1HOg867vGjZHafirqztUOz/1wH4S5Rug0=; b=jKdFbv1S4pbnpU5Uu/ipgb6T4BOt74ABO8N88FX47J/6tw7H4AlkstBTp9BSNKozZi 6BYRkEC7TuBLZMFw0nxip3y+T8YxwWAGCtaHbkIRkpI6+CqrvAaj/BE2pjguSWEOM+Hc RgFira9X9Ow6eS//P3LoCbob1eo1wjAwRWp/B8baGo8MT318Ozgi/9dSGXSh7yX2RH98 H02mZSSacvuNEWxVDZa/XtsMU+X9SyYWAKADY6QG1Z0XZobnKyFe533orK5Ujy3RgLAW xe6r3DISQ7+mwZDmqmA9s68x4jWAeF3OcL784NoSTcE3WK2J4tyN18V6nWm3UBG13QfY oTdg== X-Received: by 10.180.87.162 with SMTP id az2mr11667876wib.62.1444049245709; Mon, 05 Oct 2015 05:47:25 -0700 (PDT) Received: from localhost (port-54044.pppoe.wtnet.de. [46.59.211.200]) by smtp.gmail.com with ESMTPSA id ub7sm14492535wib.17.2015.10.05.05.47.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Oct 2015 05:47:25 -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 5/6] ARM: s3c64xx: hmt: Use PWM lookup table Date: Mon, 5 Oct 2015 14:47:16 +0200 Message-Id: <1444049237-29878-6-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-s3c64xx/mach-hmt.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index e4b087c58ee6..816b39d1e6d1 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -73,6 +74,11 @@ static struct s3c2410_uartcfg hmt_uartcfgs[] __initdata = { }, }; +static struct pwm_lookup hmt_pwm_lookup[] = { + PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL, + 1000000000 / (100 * 256 * 20), PWM_POLARITY_NORMAL), +}; + static int hmt_bl_init(struct device *dev) { int ret; @@ -110,10 +116,8 @@ static void hmt_bl_exit(struct device *dev) } static struct platform_pwm_backlight_data hmt_backlight_data = { - .pwm_id = 1, .max_brightness = 100 * 256, .dft_brightness = 40 * 256, - .pwm_period_ns = 1000000000 / (100 * 256 * 20), .enable_gpio = -1, .init = hmt_bl_init, .notify = hmt_bl_notify, @@ -268,6 +272,7 @@ static void __init hmt_machine_init(void) gpio_request(S3C64XX_GPF(13), "usb power"); gpio_direction_output(S3C64XX_GPF(13), 1); + pwm_add_table(hmt_pwm_lookup, ARRAY_SIZE(hmt_pwm_lookup)); platform_add_devices(hmt_devices, ARRAY_SIZE(hmt_devices)); }