From: Uwe Kleine-König Date: Sun, 15 May 2022 15:59:26 +0000 (+0200) Subject: iio:light:pa12203001: Improve error reporting for problems during .remove() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=be9f6004be88693575009d81e00a043e8c60bcb8;p=linux.git iio:light:pa12203001: Improve error reporting for problems during .remove() Returning an error value in an i2c remove callback results in a generic error message being emitted by the i2c core, but otherwise it doesn't make a difference. The device goes away anyhow and the devm cleanups are called. So instead of triggering the generic i2c error message, emit a more helpful message if a problem occurs and return 0 to suppress the generic message. This patch is a preparation for making i2c remove callbacks return void. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20220515155929.338656-6-u.kleine-koenig@pengutronix.de Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/light/pa12203001.c b/drivers/iio/light/pa12203001.c index 528fa5dd2b135..772874e707aec 100644 --- a/drivers/iio/light/pa12203001.c +++ b/drivers/iio/light/pa12203001.c @@ -397,13 +397,19 @@ out_err: static int pa12203001_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); + int ret; iio_device_unregister(indio_dev); pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); - return pa12203001_power_chip(indio_dev, PA12203001_CHIP_DISABLE); + ret = pa12203001_power_chip(indio_dev, PA12203001_CHIP_DISABLE); + if (ret) + dev_warn(&client->dev, "Failed to power down (%pe)\n", + ERR_PTR(ret)); + + return 0; } #if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM)