From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD8B719BAB for ; Wed, 7 Jun 2023 20:34:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 302CAC433D2; Wed, 7 Jun 2023 20:34:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686170043; bh=7ImA2J6n1q6A7ayF6YC3jwMmEYzKT8ad2iUtfZMlOzE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E5dsRcZ9oH1sXt3MvTQfmQ2g3DRWM2thEKjkyuf+rdaTGs5le5D5jyDLf+XFOMDKT gnzlD3rsaKhtIqAiFSHdRE5zVER/UKhwswBNFNw+FL27jYRYZ3hfZ5XfKlNSf77GRh cRYBPAl0TwEDY+2mFPJ+dScon+NUW8u1lHDP5tpE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans de Goede , Sebastian Reichel , Sasha Levin Subject: [PATCH 4.19 03/88] power: supply: bq27xxx: After charger plug in/out wait 0.5s for things to stabilize Date: Wed, 7 Jun 2023 22:15:20 +0200 Message-ID: <20230607200855.203642412@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230607200854.030202132@linuxfoundation.org> References: <20230607200854.030202132@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Hans de Goede [ Upstream commit 59a99cd462fbdf71f4e845e09f37783035088b4f ] bq27xxx_external_power_changed() gets called when the charger is plugged in or out. Rather then immediately scheduling an update wait 0.5 seconds for things to stabilize, so that e.g. the (dis)charge current is stable when bq27xxx_battery_update() runs. Fixes: 740b755a3b34 ("bq27x00: Poll battery state") Signed-off-by: Hans de Goede Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/supply/bq27xxx_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index b44776bb1da82..725851ca0e757 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1864,8 +1864,8 @@ static void bq27xxx_external_power_changed(struct power_supply *psy) { struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); - cancel_delayed_work_sync(&di->work); - schedule_delayed_work(&di->work, 0); + /* After charger plug in/out wait 0.5s for things to stabilize */ + mod_delayed_work(system_wq, &di->work, HZ / 2); } int bq27xxx_battery_setup(struct bq27xxx_device_info *di) -- 2.39.2