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Open Source and information security mailing list archives
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Date: Thu, 30 May 2019 04:56:22 +0000 From: Andy Duan <fugang.duan@....com> To: Mark Brown <broonie@...nel.org> CC: "david@...hnology.com" <david@...hnology.com>, "rafael@...nel.org" <rafael@...nel.org>, Robby Cai <robby.cai@....com>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, linux-kernel <linux-kernel@...r.kernel.org> Subject: RE: [EXT] Re: Issue: regmap: use debugfs even when no device From: Mark Brown <broonie@...nel.org> Sent: Wednesday, May 29, 2019 7:16 PM > To: Andy Duan <fugang.duan@....com> > Cc: david@...hnology.com; rafael@...nel.org; Robby Cai > <robby.cai@....com>; gregkh@...uxfoundation.org; linux-kernel > <linux-kernel@...r.kernel.org> > Subject: Re: [EXT] Re: Issue: regmap: use debugfs even when no device > > On Wed, May 29, 2019 at 01:33:46AM +0000, Andy Duan wrote: > > > Correct, regmap without device also has issue when power if off, > > because regmap doesn't implement runtime pm for the device, but maybe > > device driver implement the runtime pm for the device. > > > So regmap how to manage the clock and power when access registers by > debugfs ? > > Like I say the basic recommendation is to use a cache. Got it, thanks.
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