* bq27000: directory/files exists even when hardware is not available
@ 2018-04-20 7:40 ` Pavel Machek
0 siblings, 0 replies; 6+ messages in thread
From: Pavel Machek @ 2018-04-20 7:40 UTC (permalink / raw)
To: kernel list, linux-arm-kernel, linux-omap, tony, sre, nekit1000,
mpartap, merlijn, afd, pali.rohar, linux-pm
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Hi!
On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
even when hardware is not present (as on Droid 4).
Any ideas?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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^ permalink raw reply [flat|nested] 6+ messages in thread
* bq27000: directory/files exists even when hardware is not available
@ 2018-04-20 7:40 ` Pavel Machek
0 siblings, 0 replies; 6+ messages in thread
From: Pavel Machek @ 2018-04-20 7:40 UTC (permalink / raw)
To: linux-arm-kernel
Hi!
On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
even when hardware is not present (as on Droid 4).
Any ideas?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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* Re: bq27000: directory/files exists even when hardware is not available
2018-04-20 7:40 ` Pavel Machek
@ 2018-04-20 7:48 ` Pali Rohár
-1 siblings, 0 replies; 6+ messages in thread
From: Pali Rohár @ 2018-04-20 7:48 UTC (permalink / raw)
To: Pavel Machek
Cc: kernel list, linux-arm-kernel, linux-omap, tony, sre, nekit1000,
mpartap, merlijn, afd, linux-pm
On Friday 20 April 2018 09:40:36 Pavel Machek wrote:
> Hi!
>
> On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
> even when hardware is not present (as on Droid 4).
>
> Any ideas?
> Pavel
Somebody must have registered bq device into power_supply subsystem.
Maybe DT note is present?
--
Pali Rohár
pali.rohar@gmail.com
^ permalink raw reply [flat|nested] 6+ messages in thread
* bq27000: directory/files exists even when hardware is not available
@ 2018-04-20 7:48 ` Pali Rohár
0 siblings, 0 replies; 6+ messages in thread
From: Pali Rohár @ 2018-04-20 7:48 UTC (permalink / raw)
To: linux-arm-kernel
On Friday 20 April 2018 09:40:36 Pavel Machek wrote:
> Hi!
>
> On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
> even when hardware is not present (as on Droid 4).
>
> Any ideas?
> Pavel
Somebody must have registered bq device into power_supply subsystem.
Maybe DT note is present?
--
Pali Roh?r
pali.rohar at gmail.com
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: bq27000: directory/files exists even when hardware is not available
2018-04-20 7:48 ` Pali Rohár
@ 2018-04-20 8:17 ` Pavel Machek
-1 siblings, 0 replies; 6+ messages in thread
From: Pavel Machek @ 2018-04-20 8:17 UTC (permalink / raw)
To: Pali Rohár
Cc: kernel list, linux-arm-kernel, linux-omap, tony, sre, nekit1000,
mpartap, merlijn, afd, linux-pm
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On Fri 2018-04-20 09:48:26, Pali Rohár wrote:
> On Friday 20 April 2018 09:40:36 Pavel Machek wrote:
> > Hi!
> >
> > On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
> > even when hardware is not present (as on Droid 4).
> >
> > Any ideas?
> > Pavel
>
> Somebody must have registered bq device into power_supply subsystem.
> Maybe DT note is present?
No, I don't think so:
pavel@duo:/data/l/linux-n900$ grep bq27 arch/arm/boot/dts/*
Binary file arch/arm/boot/dts/omap3-n900.dtb matches
arch/arm/boot/dts/omap3-n900.dts: bq27200: bq27200@55 {
arch/arm/boot/dts/omap3-n900.dts: compatible =
"ti,bq27200";
arch/arm/boot/dts/omap3-n900.dts~: bq27200: bq27200@55 {
arch/arm/boot/dts/omap3-n900.dts~: compatible =
"ti,bq27200";
arch/arm/boot/dts/omap3-n900.dts.orig: bq27200: bq27200@55 {
arch/arm/boot/dts/omap3-n900.dts.orig: compatible =
"ti,bq27200";
Binary file arch/arm/boot/dts/omap3-n950.dtb matches
arch/arm/boot/dts/omap3-n950-n9.dtsi: bq27521: bq27521@55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi: compatible =
"ti,bq27521";
arch/arm/boot/dts/omap3-n950-n9.dtsi~: bq27521: bq27521@55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi~: compatible =
"ti,bq27521";
arch/arm/boot/dts/omap3-n950-n9.dtsi.orig: bq27521: bq27521@55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi.orig: compatible =
"ti,bq27521";
Binary file arch/arm/boot/dts/omap3-n9.dtb matches
arch/arm/boot/dts/omap3-pandora-common.dtsi: bq27500@55 {
arch/arm/boot/dts/omap3-pandora-common.dtsi: compatible
= "ti,bq27500";
arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts:
bq27541@55 {
arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts:
compatible = "ti,bq27541";
arch/arm/boot/dts/rk3288-veyron-minnie.dts: battery: bq27500@55 {
arch/arm/boot/dts/rk3288-veyron-minnie.dts: compatible =
"ti,bq27500";
pavel@duo:/data/l/linux-n900$
Is it possible that one wire subsystem registers bq27000 even without
device tree node?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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^ permalink raw reply [flat|nested] 6+ messages in thread* bq27000: directory/files exists even when hardware is not available
@ 2018-04-20 8:17 ` Pavel Machek
0 siblings, 0 replies; 6+ messages in thread
From: Pavel Machek @ 2018-04-20 8:17 UTC (permalink / raw)
To: linux-arm-kernel
On Fri 2018-04-20 09:48:26, Pali Roh?r wrote:
> On Friday 20 April 2018 09:40:36 Pavel Machek wrote:
> > Hi!
> >
> > On droid4 (4.17-rc1), /sys/class/power_supply/bq27000-battery exists
> > even when hardware is not present (as on Droid 4).
> >
> > Any ideas?
> > Pavel
>
> Somebody must have registered bq device into power_supply subsystem.
> Maybe DT note is present?
No, I don't think so:
pavel at duo:/data/l/linux-n900$ grep bq27 arch/arm/boot/dts/*
Binary file arch/arm/boot/dts/omap3-n900.dtb matches
arch/arm/boot/dts/omap3-n900.dts: bq27200: bq27200 at 55 {
arch/arm/boot/dts/omap3-n900.dts: compatible =
"ti,bq27200";
arch/arm/boot/dts/omap3-n900.dts~: bq27200: bq27200 at 55 {
arch/arm/boot/dts/omap3-n900.dts~: compatible =
"ti,bq27200";
arch/arm/boot/dts/omap3-n900.dts.orig: bq27200: bq27200 at 55 {
arch/arm/boot/dts/omap3-n900.dts.orig: compatible =
"ti,bq27200";
Binary file arch/arm/boot/dts/omap3-n950.dtb matches
arch/arm/boot/dts/omap3-n950-n9.dtsi: bq27521: bq27521 at 55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi: compatible =
"ti,bq27521";
arch/arm/boot/dts/omap3-n950-n9.dtsi~: bq27521: bq27521 at 55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi~: compatible =
"ti,bq27521";
arch/arm/boot/dts/omap3-n950-n9.dtsi.orig: bq27521: bq27521 at 55 {
arch/arm/boot/dts/omap3-n950-n9.dtsi.orig: compatible =
"ti,bq27521";
Binary file arch/arm/boot/dts/omap3-n9.dtb matches
arch/arm/boot/dts/omap3-pandora-common.dtsi: bq27500 at 55 {
arch/arm/boot/dts/omap3-pandora-common.dtsi: compatible
= "ti,bq27500";
arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts:
bq27541 at 55 {
arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts:
compatible = "ti,bq27541";
arch/arm/boot/dts/rk3288-veyron-minnie.dts: battery: bq27500 at 55 {
arch/arm/boot/dts/rk3288-veyron-minnie.dts: compatible =
"ti,bq27500";
pavel at duo:/data/l/linux-n900$
Is it possible that one wire subsystem registers bq27000 even without
device tree node?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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2018-04-20 7:40 bq27000: directory/files exists even when hardware is not available Pavel Machek
2018-04-20 7:40 ` Pavel Machek
2018-04-20 7:48 ` Pali Rohár
2018-04-20 7:48 ` Pali Rohár
2018-04-20 8:17 ` Pavel Machek
2018-04-20 8:17 ` Pavel Machek
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