From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@anholt.net (Eric Anholt) Date: Thu, 17 May 2018 18:25:31 +0100 Subject: [PATCH RFC 3/6] hwmon: Add support for RPi voltage sensor In-Reply-To: <20180517164320.GA30364@roeck-us.net> References: <1526477827-10859-1-git-send-email-stefan.wahren@i2se.com> <1526477827-10859-4-git-send-email-stefan.wahren@i2se.com> <20180516182144.GB22705@roeck-us.net> <1560428919.21731.1526500741266@email.1und1.de> <20180517164320.GA30364@roeck-us.net> Message-ID: <87sh6qdwj8.fsf@anholt.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Guenter Roeck writes: > On Wed, May 16, 2018 at 09:59:01PM +0200, Stefan Wahren wrote: >> Hi Guenter, >> >> > Guenter Roeck hat am 16. Mai 2018 um 20:21 geschrieben: >> > >> > >> > On Wed, May 16, 2018 at 03:37:04PM +0200, Stefan Wahren wrote: >> > > Currently there is no easy way to detect under-voltage conditions on a remote >> > > Raspberry Pi. This hwmon driver retrieves the state of the under-voltage sensor >> > > via mailbox interface. The handling based on Noralf's modifications to the >> > > downstream firmware driver. In case of an under-voltage condition only an entry >> > > is written to the kernel log. >> > > >> > >> > My major concern is how this is displayed with the 'sensors' command. >> > Can you test and report ? >> >> I get the following output: >> rpi_volt-isa-0000 >> Adapter: ISA adapter >> in0: N/A >> > Ok, that works. Thanks for the quick review on this, Guenter! This driver is going to help save a lot of people debugging time on rpis in the upstream kernel. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 832 bytes Desc: not available URL: