Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757898AbbFQTBc (ORCPT ); Wed, 17 Jun 2015 15:01:32 -0400 Received: from mail-pa0-f48.google.com ([209.85.220.48]:34337 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757519AbbFQTBK (ORCPT ); Wed, 17 Jun 2015 15:01:10 -0400 From: Vaibhav Hiremath To: linux-arm-kernel@lists.infradead.org Cc: robh+dt@kernel.org, lee.jones@linaro.org, devicetree@vger.kernel.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org, Vaibhav Hiremath , Chao Xie Subject: [PATCH-v2] rtc: 88pm80x: add device tree support Date: Thu, 18 Jun 2015 00:28:06 +0530 Message-Id: <1434567488-6477-3-git-send-email-vaibhav.hiremath@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434567488-6477-1-git-send-email-vaibhav.hiremath@linaro.org> References: <1434567488-6477-1-git-send-email-vaibhav.hiremath@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2330 Lines: 70 Along with DT support, this patch also cleans up the unnecessary code around 'rtc_wakeup' initialization. Signed-off-by: Chao Xie Signed-off-by: Vaibhav Hiremath --- Link to V1: https://lkml.org/lkml/2015/5/29/757 drivers/rtc/rtc-88pm80x.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c index 7df0579..8f66519 100644 --- a/drivers/rtc/rtc-88pm80x.c +++ b/drivers/rtc/rtc-88pm80x.c @@ -251,17 +251,26 @@ static SIMPLE_DEV_PM_OPS(pm80x_rtc_pm_ops, pm80x_rtc_suspend, pm80x_rtc_resume); static int pm80x_rtc_probe(struct platform_device *pdev) { struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm80x_platform_data *pm80x_pdata = - dev_get_platdata(pdev->dev.parent); - struct pm80x_rtc_pdata *pdata = NULL; + struct pm80x_rtc_pdata *pdata = dev_get_platdata(&pdev->dev); struct pm80x_rtc_info *info; + struct device_node *node = pdev->dev.of_node; struct rtc_time tm; unsigned long ticks = 0; int ret; - pdata = dev_get_platdata(&pdev->dev); - if (pdata == NULL) - dev_warn(&pdev->dev, "No platform data!\n"); + if (!pdata && !node) { + dev_err(&pdev->dev, + "pm80x-rtc requires platform data or of_node\n"); + return -EINVAL; + } + + if (!pdata) { + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + } info = devm_kzalloc(&pdev->dev, sizeof(struct pm80x_rtc_info), GFP_KERNEL); @@ -327,11 +336,8 @@ static int pm80x_rtc_probe(struct platform_device *pdev) regmap_update_bits(info->map, PM800_RTC_CONTROL, PM800_RTC1_USE_XO, PM800_RTC1_USE_XO); - if (pm80x_pdata) { - pdata = pm80x_pdata->rtc; - if (pdata) - info->rtc_dev->dev.platform_data = &pdata->rtc_wakeup; - } + /* remeber whether this power up is caused by PMIC RTC or not */ + info->rtc_dev->dev.platform_data = &pdata->rtc_wakeup; device_init_wakeup(&pdev->dev, 1); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/