Messages in this thread | | | Date | Mon, 23 Jan 2017 15:49:12 -0800 | From | Guenter Roeck <> | Subject | Re: v4.10-rc4 to v4.10-rc5: battery regression on Nokia N900 |
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On Tue, Jan 24, 2017 at 12:26:54AM +0100, Pavel Machek wrote: > Hi! > > > > >I'll try to revert it on the top of v4.10-rc5 now... and yes, it fixes > > > >the issue. > > > > > > > >Any idea what went wrong and how to fix that? > > > > > > > >Anyway as we are at -rc5 and this is warning fix that caused a > > > >regression on different hardware... it should be reverted. > > > > > > > Agreed. > > > > > > What exactly does "stopped working" mean ? That might help understanding > > > what went wrong. > > > > /sys files related to battery no longer appear. I beieve this has > > something to do with it: > > > > [ 2.374877] of_get_named_gpiod_flags: parsed 'reset-gpios' property > > of node '/ocp@68000000/spi@48098000/tsc2005@0[0]' - status (0) > > [ 2.375946] input: TSC2005 touchscreen as > > /devices/platform/68000000.ocp/48098000.spi/spi_master/spi1/spi1.0/input/input5 > > [ 2.392120] rx51-battery: probe of n900-battery failed with error > > -22 > > Mystery solved: > > diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c > index 3932f92..fe5ec82 100644 > --- a/drivers/hwmon/hwmon.c > +++ b/drivers/hwmon/hwmon.c > @@ -545,8 +545,10 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, > int i, j, err, id; > > /* Do not accept invalid characters in hwmon name attribute */ > - if (name && (!strlen(name) || strpbrk(name, "-* \t\n"))) > + if (name && (!strlen(name) || strpbrk(name, "-* \t\n"))) { > + printk("hwmon: Invalid character detected: %s\n", name); > return ERR_PTR(-EINVAL); > + } > > id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL); > if (id < 0) > > > pavel@n900:~$ dmesg | grep -5 Invalid > [ 0.829650] of_get_named_gpiod_flags: parsed 'gpio-reset' property > of node '/ocp@68000000/i2c@48072000/tlv320aic3x@19[0]' - status (0) > [ 0.833831] tsl2563 2-0029: model 7, rev. 0 > [ 0.837768] of_get_named_gpiod_flags: parsed 'enable-gpio' property > of node '/ocp@68000000/i2c@48072000/lp5523@32[0]' - status (0) > [ 1.921417] omap_i2c 48072000.i2c: controller timed out > [ 2.056823] lp5523x 2-0032: lp5523 Programmable led chip found > [ 2.064147] hwmon: Invalid character detected: bq27200-0
So the problem is really that the thermal driver needs to create a valid name.
Guenter
> [ 2.064544] bq27xxx-battery 2-0055: failed to register battery > [ 2.064605] bq27xxx-battery: probe of 2-0055 failed with error -22 > [ 2.065368] of_get_named_gpiod_flags: parsed 'power-gpio' property > of node '/ocp@68000000/i2c@48072000/tpa6130a2@60[0]' - status (0) > [ 2.083221] bq2415x-charger 2-006b: automode supported, waiting for > events > [ 2.084442] bq2415x-charger 2-006b: driver registered > -- > [ 2.369842] g_ether gadget: g_ether ready > [ 2.377197] tsc2005 spi1.0: GPIO lookup for consumer reset > [ 2.377227] tsc2005 spi1.0: using device tree for GPIO lookup > [ 2.377288] of_get_named_gpiod_flags: parsed 'reset-gpios' property > of node '/ocp@68000000/spi@48098000/tsc2005@0[0]' - status (0) > [ 2.378936] input: TSC2005 touchscreen as > /devices/platform/68000000.ocp/48098000.spi/spi_master/spi1/spi1.0/input/input5 > [ 2.395111] hwmon: Invalid character detected: rx51-battery > [ 2.402587] rx51-battery: probe of n900-battery failed with error > -22 > [ 2.410247] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer cd > [ 2.410247] omap_hsmmc 4809c000.mmc: using device tree for GPIO > lookup > [ 2.410278] of_get_named_gpiod_flags: can't parse 'cd-gpios' > property of node '/ocp@68000000/mmc@4809c000[0]' > [ 2.410278] of_get_named_gpiod_flags: can't parse 'cd-gpio' > property of node '/ocp@68000000/mmc@4809c000[0]' > > Pavel > > > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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