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Groups > linux.kernel > #1622260
| From | Dong Aisheng <dongas86@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie |
| Date | 2017-04-12 17:50 +0200 |
| Message-ID | <tvsGS-6f3-19@gated-at.bofh.it> (permalink) |
| References | <tvaJX-3qG-9@gated-at.bofh.it> <tvaTE-3ut-23@gated-at.bofh.it> <tvaTE-3ut-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Apr 11, 2017 at 09:40:03PM +0100, Mark Brown wrote: > On Wed, Apr 12, 2017 at 09:58:47AM +0800, Dong Aisheng wrote: > > Set the initial voltage selector for vddpcie in case it's disabled > > by default. > > Why is this the only anatop regulator which can have this problem and > how do we know this is a good value? Anatop regulator has no separate gate bit. e.g. 00000 Power gated off 00001 Target core voltage = 0.725V ... So it may have no valid default voltage in case it's disabled in bootloader. e.g. regulator_enable() may not work. The default voltage 1.100v this patch sets is defined in reference manual. Regards Dong Aisheng
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Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Mark Brown <broonie@kernel.org> - 2017-04-11 22:50 +0200
Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Mark Brown <broonie@kernel.org> - 2017-04-12 17:50 +0200
Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Dong Aisheng <dongas86@gmail.com> - 2017-04-12 18:20 +0200
Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Dong Aisheng <dongas86@gmail.com> - 2017-04-12 17:50 +0200
Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Lucas Stach <l.stach@pengutronix.de> - 2017-04-12 18:20 +0200
Re: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie Mark Brown <broonie@kernel.org> - 2017-04-12 18:20 +0200
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