From patchwork Mon Apr 1 21:53:24 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: achew@nvidia.com X-Patchwork-Id: 2372981 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id A830BDFB7B for ; Mon, 1 Apr 2013 22:00:46 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UMmjx-0003Re-EN; Mon, 01 Apr 2013 21:58:09 +0000 Received: from hqemgate03.nvidia.com ([216.228.121.140]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UMmi6-0002aR-Pv for linux-arm-kernel@lists.infradead.org; Mon, 01 Apr 2013 21:56:20 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate03.nvidia.com id ; Mon, 01 Apr 2013 14:58:44 -0700 Received: from hqemhub02.nvidia.com ([172.20.12.94]) by hqnvupgp07.nvidia.com (PGP Universal service); Mon, 01 Apr 2013 14:52:22 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Mon, 01 Apr 2013 14:52:22 -0700 Received: from achew-linux64.nvidia.com (172.20.144.16) by hqemhub02.nvidia.com (172.20.150.31) with Microsoft SMTP Server (TLS) id 8.3.298.1; Mon, 1 Apr 2013 14:53:07 -0700 From: Andrew Chew To: , , , , , , , , , , , , Subject: [PATCH V6 5/9] unicore32: Provide regulator to pwm-backlight Date: Mon, 1 Apr 2013 14:53:24 -0700 Message-ID: <1364853208-32503-6-git-send-email-achew@nvidia.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1364853208-32503-1-git-send-email-achew@nvidia.com> References: <1364853208-32503-1-git-send-email-achew@nvidia.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130401_175615_167089_0B71405A X-CRM114-Status: GOOD ( 10.43 ) X-Spam-Score: -7.5 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.140 listed in list.dnswl.org] 1.7 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.3 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-samsung-soc@vger.kernel.org, achew@nvidia.com, thierry.reding@avionic-design.de, openezx-devel@lists.openezx.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The pwm-backlight driver now takes a mandatory regulator that is gotten during driver probe. Initialize a dummy regulator to satisfy this requirement. Signed-off-by: Andrew Chew Acked-by: Alexandre Courbot --- arch/unicore32/kernel/puv3-nb0916.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/unicore32/kernel/puv3-nb0916.c b/arch/unicore32/kernel/puv3-nb0916.c index 181108b..839b536 100644 --- a/arch/unicore32/kernel/puv3-nb0916.c +++ b/arch/unicore32/kernel/puv3-nb0916.c @@ -19,6 +19,8 @@ #include #include #include +#include +#include #include #include #include @@ -49,6 +51,10 @@ static struct resource puv3_i2c_resources[] = { } }; +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight"); + static struct platform_pwm_backlight_data nb0916_backlight_data = { .pwm_id = 0, .max_brightness = 100, @@ -111,6 +117,9 @@ int __init mach_nb0916_init(void) platform_device_register_simple("PKUnity-v3-I2C", -1, puv3_i2c_resources, ARRAY_SIZE(puv3_i2c_resources)); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_device_register_data(&platform_bus, "pwm-backlight", -1, &nb0916_backlight_data, sizeof(nb0916_backlight_data));