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Date: Thu, 12 Jul 2012 18:22:53 +0800 From: Wei Ni <wni@...dia.com> To: <rui.zhang@...el.com>, <len.brown@...el.com>, <akpm@...ux-foundation.org>, <khali@...ux-fr.org>, <joe@...ches.com>, <durgadoss.r@...el.com> CC: <linux-kernel@...r.kernel.org>, <linux-tegra@....kernel.org>, <acourbot@...dia.com> Subject: How to use the generic thermal sysfs. Hi, all I'm working on the tegra thermal throttling upstream issue. The tegra30 board use the nct1008 as the thermal sensor, and the lm90 is the sensor driver. We want to use the generic thermal sysfs. My question is where should we register the thermal zone device? We may have two place to do it: 1. register it in the sensor driver, such as lm90.c In this way, the sensor driver doesn't need to export any APIs, such as get_temp. 2. register in my tegra thermal framework. In this way, the sensor driver need to export some APIs, which are used to register the ops and do any other things. How should I do it? And in current codes, there have the event notification, in the form of a netlink event. But it's difficult to be used in the kernel, it's normally for the communication with user-space. How about to add a notify call chain for it? So when the sensor has irq alert, it can send a notify to my thermal framework in kernel. Do anyone has suggestions? Thanks. Wei. --- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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