From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Hovold Subject: [PATCH v2 05/20] rtc: omap: fix class-device registration Date: Tue, 21 Oct 2014 19:37:51 +0200 Message-ID: <1413913086-12730-6-git-send-email-johan@kernel.org> References: <1412881594-25678-1-git-send-email-johan@kernel.org> <1413913086-12730-1-git-send-email-johan@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1413913086-12730-1-git-send-email-johan@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Alessandro Zummo , Tony Lindgren , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Felipe Balbi Cc: devicetree@vger.kernel.org, rtc-linux@googlegroups.com, Lokesh Vutla , j-keerthy@ti.com, nsekhar@ti.com, linux-kernel@vger.kernel.org, Johan Hovold , t-kristo@ti.com, linux-arm-kernel@lists.infradead.org, Andrew Morton , linux-omap@vger.kernel.org, Guenter Roeck List-Id: devicetree@vger.kernel.org Make sure not to register the class device until after the device has been configured. Currently, the device is not fully configured (e.g. 24-hour mode) when the class device is registered, something which involves driver callbacks for example to read the current time. Signed-off-by: Johan Hovold --- drivers/rtc/rtc-omap.c | 46 +++++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 23 deletions(-) diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 6b10db5a5702..813bed270867 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -413,16 +413,6 @@ static int __init omap_rtc_probe(struct platform_device *pdev) rtc_writel(KICK1_VALUE, OMAP_RTC_KICK1_REG); } - device_init_wakeup(&pdev->dev, true); - - rtc = devm_rtc_device_register(&pdev->dev, pdev->name, - &omap_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - ret = PTR_ERR(rtc); - goto err; - } - platform_set_drvdata(pdev, rtc); - /* * disable interrupts * @@ -446,19 +436,6 @@ static int __init omap_rtc_probe(struct platform_device *pdev) if (reg & (u8) OMAP_RTC_STATUS_ALARM) rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG); - /* handle periodic and alarm irqs */ - ret = devm_request_irq(&pdev->dev, omap_rtc_timer, rtc_irq, 0, - dev_name(&rtc->dev), rtc); - if (ret) - goto err; - - if (omap_rtc_timer != omap_rtc_alarm) { - ret = devm_request_irq(&pdev->dev, omap_rtc_alarm, rtc_irq, 0, - dev_name(&rtc->dev), rtc); - if (ret) - goto err; - } - /* On boards with split power, RTC_ON_NOFF won't reset the RTC */ reg = rtc_read(OMAP_RTC_CTRL_REG); if (reg & (u8) OMAP_RTC_CTRL_STOP) @@ -488,6 +465,29 @@ static int __init omap_rtc_probe(struct platform_device *pdev) if (reg != new_ctrl) rtc_write(new_ctrl, OMAP_RTC_CTRL_REG); + device_init_wakeup(&pdev->dev, true); + + rtc = devm_rtc_device_register(&pdev->dev, pdev->name, + &omap_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + goto err; + } + platform_set_drvdata(pdev, rtc); + + /* handle periodic and alarm irqs */ + ret = devm_request_irq(&pdev->dev, omap_rtc_timer, rtc_irq, 0, + dev_name(&rtc->dev), rtc); + if (ret) + goto err; + + if (omap_rtc_timer != omap_rtc_alarm) { + ret = devm_request_irq(&pdev->dev, omap_rtc_alarm, rtc_irq, 0, + dev_name(&rtc->dev), rtc); + if (ret) + goto err; + } + return 0; err: -- 2.0.4