From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Fri, 27 Jan 2017 06:13:43 -0800 Subject: v4.10-rc4 to v4.10-rc5: battery regression on Nokia N900 In-Reply-To: <20170127111626.GB5335@amd> References: <20170124073720.GB5603@amd> <88c94ea6-abe2-0f20-337e-e9ee00c883d8@roeck-us.net> <20170124175800.GA15070@amd> <20170124184526.GA25056@roeck-us.net> <20170125111233.GB3912@amd> <20170125120918.GA7936@pali> <1485481030.2469.15.camel@intel.com> <1485488382.2469.27.camel@intel.com> <9146145b-7e21-c4de-a9cd-dad7bc74ee7a@roeck-us.net> <20170127111626.GB5335@amd> Message-ID: <37154fca-5cfd-7f65-0f9b-14b979a094e6@roeck-us.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/27/2017 03:16 AM, Pavel Machek wrote: > Hi! > >>>> That sounds like fun. Changing bq27200-0 to bq27200_0 is Forbidden by >>>> the ABI Police, but taking the entire device away is ok. > > Changing bq27200-0 to bq27200_0 is forbidden in -rc6 time. If you > believe noone depends on the name, argue your case, and it might be > possible to change it in -rc0. > > If someone uses the name, they care about the device, and you can't > take it away. > >>> No. IMO, it depends on if the interface is used or not. >>> If hwmon I/F is used, we can not take it away, nor change its name. >> >> Even if the use doesn't depend on that name ? > > If the use doesn't depend on the name, you may get away with changing > the name. (But not in -rc6.) > >>> If thermal zone I/F is used, we can not change it's 'type' name to be >>> compatible with new hwmon API. >> >> You mean you can not fix the name to be compatible with libsensors. >> >> Makes me wonder if there shouldn't be a rule that exploits must not >> be fixed if already exploited. > > That is not useful argumentation. Oh, but it is. Providing a valid name is a bug fix for me. For you it is an ABI change. So the ultimate question is what counts as an ABI change and what counts as a bug fix. Guenter