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SubjectRe: [PATCH] power: supply: olpc_battery: fix the power supply name
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On Thu, 2020-01-09 at 17:09 +0200, Andy Shevchenko wrote:
> On Sat, Dec 21, 2019 at 9:18 AM Lubomir Rintel <lkundrak@v3.sk> wrote:
> > The framework is unhappy about them, because it uses the names in sysfs
> > attributes:
> >
> > power_supply olpc-ac: hwmon: 'olpc-ac' is not a valid name attribute, please fix
> > power_supply olpc-battery: hwmon: 'olpc-battery' is not a valid name attribute, please fix
>
> I'm wondering if it's an ABI change and how user space is supposed to
> cope with it.

It changes the sysfs path. It is rather unlikely that udisks or
anything else userspace cares.

If it does, then I guess the warning that suggests that it's a bug that
should be fixed should be removed instead.
>
> > See also commit 648cd48c9e56 ("hwmon: Do not accept invalid name
> > attributes") and commit 74d3b6419772 ("hwmon: Relax name attribute
> > validation for new APIs").
> >
> > Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
> > ---
> > arch/x86/platform/olpc/olpc-xo1-sci.c | 4 ++--
> > arch/x86/platform/olpc/olpc-xo15-sci.c | 4 ++--
> > drivers/platform/olpc/olpc-xo175-ec.c | 4 ++--
> > drivers/power/supply/olpc_battery.c | 4 ++--
> > 4 files changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/arch/x86/platform/olpc/olpc-xo1-sci.c b/arch/x86/platform/olpc/olpc-xo1-sci.c
> > index 99a28ce2244c7..09bd195cc9012 100644
> > --- a/arch/x86/platform/olpc/olpc-xo1-sci.c
> > +++ b/arch/x86/platform/olpc/olpc-xo1-sci.c
> > @@ -53,7 +53,7 @@ static const char * const lid_wake_mode_names[] = {
> >
> > static void battery_status_changed(void)
> > {
> > - struct power_supply *psy = power_supply_get_by_name("olpc-battery");
> > + struct power_supply *psy = power_supply_get_by_name("olpc_battery");
> >
> > if (psy) {
> > power_supply_changed(psy);
> > @@ -63,7 +63,7 @@ static void battery_status_changed(void)
> >
> > static void ac_status_changed(void)
> > {
> > - struct power_supply *psy = power_supply_get_by_name("olpc-ac");
> > + struct power_supply *psy = power_supply_get_by_name("olpc_ac");
> >
> > if (psy) {
> > power_supply_changed(psy);
> > diff --git a/arch/x86/platform/olpc/olpc-xo15-sci.c b/arch/x86/platform/olpc/olpc-xo15-sci.c
> > index 6d193bb36021b..7bc1ea6a47974 100644
> > --- a/arch/x86/platform/olpc/olpc-xo15-sci.c
> > +++ b/arch/x86/platform/olpc/olpc-xo15-sci.c
> > @@ -75,7 +75,7 @@ static struct kobj_attribute lid_wake_on_close_attr =
> >
> > static void battery_status_changed(void)
> > {
> > - struct power_supply *psy = power_supply_get_by_name("olpc-battery");
> > + struct power_supply *psy = power_supply_get_by_name("olpc_battery");
> >
> > if (psy) {
> > power_supply_changed(psy);
> > @@ -85,7 +85,7 @@ static void battery_status_changed(void)
> >
> > static void ac_status_changed(void)
> > {
> > - struct power_supply *psy = power_supply_get_by_name("olpc-ac");
> > + struct power_supply *psy = power_supply_get_by_name("olpc_ac");
> >
> > if (psy) {
> > power_supply_changed(psy);
> > diff --git a/drivers/platform/olpc/olpc-xo175-ec.c b/drivers/platform/olpc/olpc-xo175-ec.c
> > index 83ed1fbf73cfd..5e1d14e35f20b 100644
> > --- a/drivers/platform/olpc/olpc-xo175-ec.c
> > +++ b/drivers/platform/olpc/olpc-xo175-ec.c
> > @@ -410,7 +410,7 @@ static void olpc_xo175_ec_complete(void *arg)
> > dev_dbg(dev, "got event %.2x\n", byte);
> > switch (byte) {
> > case EVENT_AC_CHANGE:
> > - psy = power_supply_get_by_name("olpc-ac");
> > + psy = power_supply_get_by_name("olpc_ac");
> > if (psy) {
> > power_supply_changed(psy);
> > power_supply_put(psy);
> > @@ -420,7 +420,7 @@ static void olpc_xo175_ec_complete(void *arg)
> > case EVENT_BATTERY_CRITICAL:
> > case EVENT_BATTERY_SOC_CHANGE:
> > case EVENT_BATTERY_ERROR:
> > - psy = power_supply_get_by_name("olpc-battery");
> > + psy = power_supply_get_by_name("olpc_battery");
> > if (psy) {
> > power_supply_changed(psy);
> > power_supply_put(psy);
> > diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c
> > index ad0e9e0edb3f8..e0476ec06601d 100644
> > --- a/drivers/power/supply/olpc_battery.c
> > +++ b/drivers/power/supply/olpc_battery.c
> > @@ -88,7 +88,7 @@ static enum power_supply_property olpc_ac_props[] = {
> > };
> >
> > static const struct power_supply_desc olpc_ac_desc = {
> > - .name = "olpc-ac",
> > + .name = "olpc_ac",
> > .type = POWER_SUPPLY_TYPE_MAINS,
> > .properties = olpc_ac_props,
> > .num_properties = ARRAY_SIZE(olpc_ac_props),
> > @@ -605,7 +605,7 @@ static const struct attribute_group *olpc_bat_sysfs_groups[] = {
> > *********************************************************************/
> >
> > static struct power_supply_desc olpc_bat_desc = {
> > - .name = "olpc-battery",
> > + .name = "olpc_battery",
> > .get_property = olpc_bat_get_property,
> > .use_for_apm = 1,
> > };
> > --
> > 2.24.1
> >
>
>

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