Re: [PATCH] power: supply: olpc_battery: fix the power supply name

From: Andy Shevchenko
Date: Thu Jan 09 2020 - 10:10:09 EST


On Sat, Dec 21, 2019 at 9:18 AM Lubomir Rintel <lkundrak@xxxxx> 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.

>
> 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@xxxxx>
> ---
> 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
>


--
With Best Regards,
Andy Shevchenko