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Date: Fri, 12 Jul 2013 17:57:02 -0700 From: Greg KH <gregkh@...uxfoundation.org> To: Sergei Shtylyov <sergei.shtylyov@...entembedded.com> Cc: arnd@...db.de, linux-kernel@...r.kernel.org, linux-sh@...r.kernel.org Subject: Re: [PATCH] misc: add driver for Renesas R-Car Gyro-ADC/speed-pulse interfaces On Sat, Jul 13, 2013 at 03:51:42AM +0400, Sergei Shtylyov wrote: > Add the driver for Gyro-ADC/speed-pulse interfaces found in Renesas R-Car SoCs. > Though being two separate devices, they have to be driven together because of > the shared start/stop register (located in Gyro-ADC still). At this time, only > speed-pulse interface is fully supported, the Gyro-ADC is just initialized and > started/stopped synchronously with the speed-pulse interface. A user interface > is implemented via several sysfs files which allow to read and reset the speed- > pulse interface's registers. If you modify/create/remove sysfs files, you also have to document them in Documentation/ABI/ which is missing from this patch. Your sysfs files are also being created in a "racy" way, i.e. after userspace is told about the device, please fix that as well. And are you sure you want to control this through sysfs? There's no other better user/kernel apis for it? thanks, greg k-h -- 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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