| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <3aa6336d84b67425a1c590e18668b2da92f618a3.1585838678.git.mirq-linux@rere.qmqm.pl> Date: Thu, 02 Apr 2020 16:58:32 +0200 From: Michał Mirosław <mirq-linux@...e.qmqm.pl> To: Sebastian Reichel <sre@...nel.org> Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org Subject: [PATCH 06/14] power: supply: bq25890: update state on property read Edge interrupts from the charger may be lost or stuck in fault mode since probe(). Check if something changed everytime userspace wants some data. Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl> --- drivers/power/supply/bq25890_charger.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 3b02fa80aedd..e4368d01396a 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -389,6 +389,8 @@ static bool bq25890_is_adc_property(enum power_supply_property psp) } } +static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq); + static int bq25890_power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -399,6 +401,8 @@ static int bq25890_power_supply_get_property(struct power_supply *psy, int ret; mutex_lock(&bq->lock); + /* update state in case we lost an interrupt */ + __bq25890_handle_irq(bq); state = bq->state; do_adc_conv = !state.online && bq25890_is_adc_property(psp); if (do_adc_conv) -- 2.20.1
Powered by blists - more mailing lists